রবিবার, ৩১ মার্চ, ২০১৩

Maduro calls Venezuela opposition "heirs of Hitler"

CARACAS (Reuters) - Venezuela's acting President Nicolas Maduro on Saturday called the country's opposition "heirs of Hitler," accusing them of persecuting Cuban doctors working in the South American country the way Jews were persecuted in Nazi Germany.

His barbs added to weeks of insults in the run-up to the April 14 presidential elections triggered by the death of socialist leader Hugo Chavez this month. Polls show Maduro with a double-digit lead over opposition rival Henrique Capriles.

"The campaign against Cuba is just like the campaign against the Jews in Hitler's Germany," Maduro said during a rally in Chavez's home state of Barinas. "The heirs of Hitler are leading a campaign in Venezuela against the people of Cuba."

Chavez, ten years ago, began bringing Cuban doctors to Venezuela to provide free health care in slums and rural villages, and maintained close ties with the communist-run island's leadership throughout his 14 years in office.

Opposition critics say Maduro and other senior government figures are receiving guidance directly from Cuban President Raul Castro, as well as allowing Cuban advisers to wield influence in Venezuela's military and intelligence services.

Some extremists have called the Cuban doctors part of a plan to turn Venezuela into a Communist state, though nearly all opposition leaders say the program is positive and vow to maintain it.

Maduro is benefiting from an outpouring of emotion after Chavez' death and as well from the legacy of Chavez's wildly popular social welfare campaigns known as "missions" that include the Cuban doctors program.

Government sympathizers have at times used terms such as "Nazi" and "fascist" to describe Capriles, a descendant of Polish Jews on his mother's side.

His maternal grandparents, the Radonskis, fled anti-Semitism in Poland and arrived in Venezuela with just a suitcase stuffed with clothes.

Capriles was a victim of racist slurs from government supporters in his unsuccessful campaign for president against Chavez last year.

Chavez named Maduro as his preferred successor before dying of cancer on March 5.

The campaign official starts on April 2.

(Reporting by Brian Ellsworth; editing by Jackie Fank)

Source: http://news.yahoo.com/maduro-calls-venezuela-opposition-heirs-hitler-185044157.html

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Beckham relishing chance to play against Barcelona

By JEROME PUGMIRE

AP Sports Writer

Associated Press Sports

updated 2:00 p.m. ET March 30, 2013

PARIS (AP) - David Beckham says he feels fit enough to start the biggest game in Paris Saint-Germain's recent history when the club takes on Barcelona in the first leg of their Champions League quarterfinal on Tuesday.

PSG has not played in the quarterfinals of the competition since 1995, when a 19-year-old Beckham was just breaking into the Manchester United team. That year PSG beat Barca in the quarterfinals.

After joining the French leader in January, Beckham has shown he can keep the pace at age 37. He made an impact as a substitute in Friday night's 1-0 home win against Montpellier, which moved PSG provisionally eight points ahead in the league.

? 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.


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Must-win matches? Maybe

PST: It may be a little early for "must-win" matches. But four MLS clubs could really use wins this weekend, starting with the Red Bulls (3:30 p.m. ET; NBCSN).

Beckham relishing chance to play against Barcelona

??PARIS (AP) - David Beckham says he feels fit enough to start the biggest game in Paris Saint-Germain's recent history when the club takes on Barcelona in the first leg of their Champions League quarterfinal on Tuesday.

Source: http://nbcsports.msnbc.com/id/51380881/ns/sports-soccer/

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Veterans fight changes to disability payments

In this March 24, 2013 photo, former Marine Corps Cpl. Marshall Archer, left, a veterans' liaison for the city of Portland, Maine, speaks to a man on a street in Portland. Veterans groups are rallying to fight any proposal to change disability payments as the federal government attempts to address its long-term debt problem. They say they've sacrificed already. (AP Photo/Robert F. Bukaty)

In this March 24, 2013 photo, former Marine Corps Cpl. Marshall Archer, left, a veterans' liaison for the city of Portland, Maine, speaks to a man on a street in Portland. Veterans groups are rallying to fight any proposal to change disability payments as the federal government attempts to address its long-term debt problem. They say they've sacrificed already. (AP Photo/Robert F. Bukaty)

In this March 24, 2013 photo, veterans' liaison Marshall Archer, a former Marine Corps corporal, poses for a photo in Portland, Maine. Veterans groups are rallying to fight any proposal to change disability payments as the federal government attempts to address its long-term debt problem. They say they've sacrificed already. (AP Photo/Robert F. Bukaty)

(AP) ? Veterans groups are rallying to fight any proposal to change disability payments as the federal government attempts to address its long-term debt problem. They say they've sacrificed already.

Government benefits are adjusted according to inflation, and President Barack Obama has endorsed using a slightly different measure of inflation to calculate Social Security benefits. Benefits would still grow but at a slower rate.

Advocates for the nation's 22 million veterans fear that the alternative inflation measure would also apply to disability payments to nearly 4 million veterans as well as pension payments for an additional 500,000 low-income veterans and surviving families.

"I think veterans have already paid their fair share to support this nation," said the American Legion's Louis Celli. "They've paid it in lower wages while serving, they've paid it through their wounds and sacrifices on the battlefield and they're paying it now as they try to recover from those wounds."

Economists generally agree that projected long-term debt increases stemming largely from the growth in federal health care programs pose a threat to the country's economic competitiveness. Addressing the threat means difficult decisions for lawmakers and pain for many constituents in the decades ahead.

But the veterans groups point out that their members bore the burden of a decade of war in Iraq and Afghanistan. In the past month, they've held news conferences on Capitol Hill and raised the issue in meetings with lawmakers and their staffs. They'll be closely watching the unveiling of the president's budget next month to see whether he continues to recommend the change.

Obama and others support changing the benefit calculations to a variation of the Consumer Price Index, a measure called "chained CPI." The conventional CPI measures changes in retail prices of a constant marketbasket of goods and services. Chained CPI considers changes in the quantity of goods purchased as well as the prices of those goods. If the price of steak goes up, for example, many consumers will buy more chicken, a cheaper alternative to steak, rather than buying less steak or going without meat.

Supporters argue that chained CPI is a truer indication of inflation because it measures changes in consumer behavior. It also tends to be less than the conventional CPI, which would impact how cost-of-living raises are computed.

Under the current inflation update, monthly disability and pension payments increased 1.7 percent this year. Under chained CPI, those payments would have increased 1.4 percent.

The Congressional Budget Office projects that moving to chained CPI would trim the deficit by nearly $340 billion over the next decade. About two-thirds of the deficit closing would come from less spending and the other third would come from additional revenue because of adjustments that tax brackets would undergo.

Isabel Sawhill, a senior fellow in economic studies at The Brookings Institution, a Washington-based think tank, said she understands why veterans, senior citizens and others have come out against the change, but she believes it's necessary.

"We are in an era where benefits are going to be reduced and revenues are going to rise. There's just no way around that. We're on an unsustainable fiscal course," Sawhill said. "Dealing with it is going to be painful, and the American public has not yet accepted that. As long as every group keeps saying, 'I need a carve-out, I need an exception,' this is not going to work."

Sawhill argued that making changes now will actually make it easier for veterans in the long run.

"The longer we wait to make these changes, the worse the hole we'll be in and the more draconian the cuts will have to be," she said.

That's not the way Sen. Bernie Sanders sees it. The chairman of the Senate Committee on Veterans' Affairs said he recently warned Obama that every veterans group he knows of has come out strongly against changing the benefit calculations for disability benefits and pensions by using chained CPI.

"I don't believe the American people want to see our budget balanced on the backs of disabled veterans. It's especially absurd for the White House, which has been quite generous in terms of funding for the VA," said Sanders, I-Vt. "Why they now want to do this, I just don't understand."

Sanders succeeded in getting the Senate to approve an amendment last week against changing how the cost-of-living increases are calculated, but the vote was largely symbolic. Lawmakers would still have a decision to make if moving to chained CPI were to be included as part of a bargain on taxes and spending.

Sanders' counterpart on the House side, Rep. Jeff Miller, R-Fla., the chairman of the House Committee on Veterans' Affairs, appears at least open to the idea of going to chained CPI.

"My first priority is ensuring that America's more than 20 million veterans receive the care and benefits they have earned, but with a national debt fast approaching $17 trillion, Washington's fiscal irresponsibility may threaten the very provision of veterans' benefits," Miller said. "Achieving a balanced budget and reducing our national debt will help us keep the promises America has made to those who have worn the uniform, and I am committed to working with Democrats and Republicans to do just that."

Marshall Archer, 30, a former Marine Corps corporal who served two stints in Iraq, has a unique perspective about the impact of slowing the growth of veterans' benefits. He collects disability payments to compensate him for damaged knees and shoulders as well as post-traumatic stress disorder. He also works as a veterans' liaison for the city of Portland, Maine, helping some 200 low-income veterans find housing.

Archer notes that on a personal level, the reduction in future disability payments would also be accompanied down the road by a smaller Social Security check when he retires. That means he would take a double hit to his income.

"We all volunteered to serve, so we all volunteered to sacrifice," he said. "I don't believe that you should ever ask those who have already volunteered to sacrifice to then sacrifice again."

That said, Archer indicated he would be willing to "chip in" if he believes that everyone is required to give as well.

He said he's more worried about the veterans he's trying to help find a place to sleep. About a third of his clients rely on VA pension payments averaging just over $1,000 a month. He said their VA pension allows them to pay rent, heat their home and buy groceries, but that's about it.

"This policy, if it ever went into effect, would actually place those already in poverty in even more poverty," Archer said.

The changes that would occur by using the slower inflation calculation seem modest at first. For a veteran with no dependents who has a 60 percent disability rating, the use of chained CPI this year would have lowered the veteran's monthly payments by $3 a month. Instead of getting $1,026 a month, the veteran would have received $1,023.

Raymond Kelly, legislative director for Veterans of Foreign Wars, acknowledged that veterans would see little change in their income during the first few years of the change. But even a $36 hit over the course of a year is "huge" for many of the disabled veterans living on the edge, he said.

The amount lost over time becomes more substantial as the years go by. Sanders said that a veteran with a 100 percent disability rating who begins getting payments at age 30 would see their annual payments trimmed by more than $2,300 a year when they turn 55.

.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2013-03-30-US-Budget-Battle-Veterans/id-05819c3ebd0c4cbf8ae5701f9cf62fc5

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Airbnb founder wants you to open your doors to strangers ? and let them sleep over

By Meena Duerson, TODAY

Brian Chesky may not yet be a household name, but his home-away-from-home site is on the verge of becoming one.

The 30-year-old is the founder of Airbnb, a website that lets you turn your home into a pseudo-hotel, renting it out to business or vacation travelers on a budget?looking to find a couch, room, or even a whole house to stay in.

The idea, which may sound crazy to some, has taken off since Chesky started the company five years ago: 300,000 people have rented out their homes on the site, and 4?million travelers have used it to find a place to stay in locations around the world.

He is seen as one of the driving forces in the new and rapidly expanding "sharing economy," in which more and more businesses are popping up based on the idea that people can share their resources. There are now a litany of?startups?based on this notion, from ride-sharing to office-sharing, and even pet-sharing.

"The stuff that matters in life is no longer stuff," he told TODAY. "It's other people. It's relationships. It's experience."

Chesky came up with the idea for Airbnb when he was short on rent money. "I have $1000 in the bank. The rent for our apartment is $1150," he recalled, of the moment the light bulb went off five years ago. "I have a basic math problem."

He and his roommate came up with the solution to turn their home into a bed and breakfast, renting out the living room and three air mattresses to visitors attending a conference in town ? and Airbnb was born.

"My mom just thought it was crazy," Chesky said.

And while Chesky says his company's success did not come as quickly as he originally anticipated, Forbes now estimates AirBnb's net worth is between $1.5 and $2.5 billion dollars. Those worried about the risks of turning over their homes to strangers can find reassurance in the company's million dollar insurance policy against theft or damage.

The San Francisco-based Chesky now lives couch-to-couch, jumping from one Airbnb property to another to mimic the experience of his users, and to get their feedback.?

"The American dream, what we were taught was, grow up, own a car, own a house," he said. "I think that dream's completely changing. We were taught to keep up with the Joneses. Now we're sharing with the Joneses."

As someone "On the Verge," we asked Brian Chesky for his picks on the next big things: Here's what?he?thinks is on the verge:

Music:?"This is the hardest question. ?I think the next big thing in music, and it's kind of because I come from the tech industry, is actually, I think it's the platform...Spotify is incredibly interesting. I think the platform is becoming the star."

App:?"One app I?really like?is Summly.?It's this entrepreneur, I think he's, like, 18 years old...And what he basically developed was a technology where you could take a full article, and the technology condenses it to three sentences...So you can read an entire newspaper in five minutes."?(Editors note: Just days after this interview was conducted, 17-year-old Nick D'Aloisio sold Summly to Yahoo for millions of dollars,?and was featured on TODAY.)

TV:?"For the longest time, I didn't have a television, but thank God the iPad came, and I discovered amazing shows.? I just finished watching?House of Cards.? That was really cool. ?I actually think "House of Cards"?is super interesting, because it breaks down the format...I think what I really love is experimentation."

Food:?"I think the next big thing in food is already kind of happening in certain cities.? It's about being locally sourced. We say everything in Airbnb's gotta be local...and it's gotta be personal, and the same thing with food.? So you're starting to see farmer's markets. ?Right now, though, it's mostly for people that are kind of upper-middle class or upper class in cities that are able to eat locally sourced food, but that's where we used to eat...I think we'll go back to that."

What he'd bet on as 'the next big thing':?"A?much more democratized, cheaper way to fly...I would basically want that and invest in an alternative transportation system that can connect continents."

Source: http://feeds.nbcnews.com/c/35002/f/653351/s/2a22431b/l/0Ltodaynews0Btoday0N0C0Inews0C20A130C0A30C290C1750A93410Eairbnb0Efounder0Ewants0Eyou0Eto0Eopen0Eyour0Edoors0Eto0Estrangers0Eand0Elet0Ethem0Esleep0Eover0Dlite/story01.htm

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শনিবার, ৩০ মার্চ, ২০১৩

Sleepy Meerkat: Adorable, Hilarious, Exhausted

Source: http://www.thehollywoodgossip.com/2013/03/sleepy-meerkat-adorable-hilarious-exhausted/

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Spacecraft shortens trip to ISS

A Soyuz space capsule has docked at the International Space Station (ISS) after a journey of less than six hours.

The three-man crew is the first to take the quicker route, involving just four orbits.

The journey normally takes two days for a Russian spacecraft.

The arrival of Russians Pavel Vinogradov and Alexander Misurkin and Chris Cassidy of the US brings the number of crew at the ISS to six.

The crew launched from the Baikonur Cosmodrome in Kazakhstan.

After lift-off at 20:43 GMT, the Soyuz capsule then entered orbit and, using intricate ballistics manoeuvres, succeeded in cutting out around 30 orbits and 45 hours from the flight time to the ISS.

Prior to the flight, the shortened route had been successfully tested three times by Russian Progress cargo ships, which are unmanned versions of the Soyuz that transport supplies to the ISS.

The three new arrivals are due to return to Earth in September. The other three members of the ISS crew arrived in December and will leave in May.

Over the next six months the crew will perform 137 investigations on the US operating segment of the station, and 44 on the Russian segment, according to a statement from the US space agency, Nasa.

Nasa said that the investigations will cover human research, biological and physical sciences, technology development, Earth observation, and education.

Source: http://www.bbc.co.uk/news/science-environment-21972804#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa

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Microsoft allows Windows 8 to run on smaller displays: is a reader-sized Surface on its way?

Microsoft relaxes Windows 8 rules to allow smaller screens is a readersized tablet on its way

Until now, Windows 8's official hardware requirements have been understandably ruthless: devices with anything less than 1,366 x 768 pixels need not apply. That policy was changed in a recent newsletter, however, to permit the creation of Windows 8 devices with a resolution of 1,024 x 768 -- likely representing a very different size and shape. Microsoft says the policy switch isn't meant to "encourage partners to regularly use a lower screen resolution", and it warns that such dimensions will be incompatible with Windows 8's split-screen feature, known as "snap". Which raises the question -- why mess with the rules?

Ed Bott over at ZDNet has an interesting theory. 1,024 x 768 matches the size and aspect ratio of many popular reader-sized tablets, like the iPad Mini, which are meant to be used in both portrait and landscape orientations. There's no official confirmation either way, of course, but Bott believes Microsoft's move could be deliberately aimed at allowing the development of 7- or 8-inch Windows 8 (or RT) tablets, possibly with the close help of Nook-maker Barnes & Noble. Indeed, Mary Jo Foley spotted that Redmond and B&N have registered a new joint venture, "NewCo", that explicitly mentions the creation of a "Microsoft reader". Considering all these clues, can a Wook (WiNook?) really be that far off?

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Comments

Source: ZDNet, Windows Certification Newsletter

Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/LLsu5u348ns/

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Power Players: Same-sex marriage could help reduce the deficit

Last week, during his Ryan Seacrest-hosted special on The CW, Justin Timberlake said that music is the "most special" hat of the many hats he wears as an entertainer. Now, we can't psychoanalyze JT?as much as everyone may have wanted to during his year-long courtship of the world's attention. But, to be sure, music has given this man a lot: Timberlake's pop-star status has allowed him to pursue the very side projects that have transformed into his main career focus, as modern mega-celebrities are want to do with their "brand maintenance" these days. ...

Source: http://news.yahoo.com/legalizing-same-sex-marriage-could-170608193.html

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Robotic ants successfully mimic real colony behavior

Mar. 28, 2013 ? Scientists have successfully replicated the behaviour of a colony of ants on the move with the use of miniature robots, as reported in the journal PLOS Computational Biology. The researchers, based at the New Jersey Institute of Technology (Newark, USA) and at the Research Centre on Animal Cognition (Toulouse, France), aimed to discover how individual ants, when part of a moving colony, orient themselves in the labyrinthine pathways that stretch from their nest to various food sources.

The study focused mainly on how Argentine ants behave and coordinate themselves in both symmetrical and asymmetrical pathways. In nature, ants do this by leaving chemical pheromone trails. This was reproduced by a swarm of sugar cube size robots, called "Alices," leaving light trails that they can detect with two light sensors mimicking the role of the ants' antennae.

In the beginning of the experiment, where branches of the maze had no light trail, the robots adopted an "exploratory behaviour" modelled on the regular insect movement pattern of moving randomly but in the same general direction. This led the robots to choose the path that deviated least from their trajectory at each bifurcation of the network. If the robots detected a light trail, they would turn to follow that path.

One outcome of the robotic model was the discovery that the robots did not need to be programmed to identify and compute the geometry of the network bifurcations. They managed to navigate the maze using only the pheromone light trail and the programmed directional random walk, which directed them to the more direct route between their starting area and a target area on the periphery of the maze. Individual Argentine ants have poor eyesight and move too quickly to make a calculated decision about their direction. Therefore the fact that the robots managed to orient themselves in the maze in a similar fashion than the one observed in real ants suggests that a complex cognitive process is not necessary for colonies of ants to navigate efficiently in their complex network of foraging trails.

"This research suggests that efficient navigation and foraging can be achieved with minimal cognitive abilities in ants," says lead author Simon Garnier. "It also shows that the geometry of transport networks plays a critical role in the flow of information and material in ant as well as in human societies."

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Journal Reference:

  1. Simon Garnier, Maud Combe, Christian Jost, Guy Theraulaz. Do Ants Need to Estimate the Geometrical Properties of Trail Bifurcations to Find an Efficient Route? A Swarm Robotics Test Bed. PLoS Computational Biology, 2013; 9 (3): e1002903 DOI: 10.1371/journal.pcbi.1002903

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/tNBJskzfrCY/130329090614.htm

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Facebook holding Android event on April 4

Facebook holding Android event on April 4

Facebook is holding another mobile-centric event, this time seemingly specifically for Google's Android operating system. Invitations for the April 4 -- not April 1! -- event went out earlier today:

Come see our new home on Android.

This, of course, has resulted in everything from yet more rumors and speculation about a Facebook phone like the supposed HTC Myst, to rumors and speculation of deeper integration, to rumors and speculation of next generation Facebook apps, to... you get the idea.

Personally, I'd love to see HTC get some more Facebook money. They did great work as an ODM in the past, and, frankly, anything to help keep them solvent and in the race would be great. Facebook is one of the very few companies on earth that could potentially launch a new, even Amazon-style forked, successful mobile operating system at this point. I've long said they'd be stupid not to have at least considered it and worked on it in the labs. Whether they ever choose to pull the trigger on it or not is another thing. They have immense mobile talent at their disposal, and that talent could also just as easily continue to work on great apps and integration for every platform.

Has anything changed in the last few months or the last year to make Facebook decide to go all in on a phone? Or are we just going to see what's next for their existing Android strategy? Like Jerry Hildenbrand of Android Central said:

We're not sure exactly what to expect, but we know Facebook does things in grand style. We'll know more next week.



Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/Nn1bSvE-IRY/story01.htm

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Gunnar Optiks MLG Legend


Like a lot of people, I spend all day, every day, in front of a computer screen. Multiple screens, in fact. Between my 15-inch laptop, 23-inch external monitor, and the three or four PCs I test every week, my workday is full to the brim with glowing displays. My home life is no different. When I'm not kicking back with some games on either my PC or PS3, I'm usually watching shows on Netflix or Hulu or browsing Metafilter and Reddit. Needless to say, I have some eyestrain issues to deal with. Luckily, the Gunnar Optiks MLG Legend glasses ($99 direct) are made with gamers and heavy PC users in mind.

I'd seen products from Gunnar Optiks before, but have always dismissed them. I wore glasses for most of my life before experiencing the miracle of Lasik. Glasses are uncomfortable, heavy-lensed face huggers, with lenses that manage to get grubby no matter how much care you take not to touch the lenses. I put up with my own glasses because they were necessary to see, but these glasses, made for gamers and PC users? No thank you. But hearing Gunnars' claims about reduced eyestrain, improved contrast, and resulting improvements in competitive gaming performance? I figured it was time to give them a try.

Design
In design, the MLG Legends are quite similar to the Gunnar Optiks PPK Digital Performance Eyewear we reviewed back in 2011, with the same bowed earpieces and simple hinges. The biggest difference between the two is the lens shape. Where the PPK model has rectangular lenses, the MLG Legends use a teardrop shape. The wider lenses reduce the amount of the frame encroaching on your peripheral vision, and resulting in more of an aviator look.

My biggest concern was that the pressure on my nose and ears caused by the weight of the glasses would result in headaches as bad, or worse, than the eyestrain I was trying to avoid. The glasses actually ended up being far lighter than I expected?0.64 ounces?though that may have something to do with the fact that my old glasses had heavy coke-bottle lenses.

The frames I tested came in all black (onyx in Gunnar's parlance), but are also available in chrome. The bowed earpieces are partially covered with transparent plastic sleeves, so you can read the words "Major League Gaming" on the earpieces. The ear pieces are made to flex easily, letting you wear them while also wearing a gaming headset, though it still takes a bit of getting used to. Long term use will still leave little nose pad prints on the bridge of your nose, but the strain on the ears and the problems with headsets that I anticipated were never much of a problem.

Features
Gunnar Optiks touts its gaming and computer glasses as solving the woes of eyestrain through four means, each given a peculiar name for marketing purposes: FRACTYL lens geometry, DIAMIX lens material, IONIK lens tints, and i-FI lens coatings. Let's try to look past the goofy marketing speak to cut through the hype.

Gunnar claims that its lenses are specially shaped?that's the FRACTYL lens geometry at work?to provide optimum clarity, enhance focus, and to wrap around the eye in such a way as to "limit air currents around the eye" and thus prevent dry eyes. The first two claims seem reasonable enough, though they couldn't be easily tested using the equipment in the PC Lab. The lenses do seem to be distortion free, and appear to provide just the slightest magnification?though it's so slight that you'll only notice it if you're looking for it.

The claims that the curved lenses create a so-called "microclimate" are more dubious. Gunnar's website states that the "Lenses wrap closely to the face and form a protective barrier from drying air currents while trapping humidity close to the eye." While the lenses will provide a barrier against air currents, such as those from an air conditioning vent or open window, it's not necessarily a technological feat?even cheap sunglasses or safety glasses will do the same thing.

The second half of the claim, that they reduce dryness by trapping humidity near the eye, sounds like poppycock?and honestly I noticed no difference during use. However, Gunnar Optiks does claim that this is based upon lab testing, though we aren't equipped to verify this.

The DIAMIX material used in the lenses is certainly clear and distortion free, but claims of higher durability and scratch resistance may be exaggerated. Our review unit has a scratch on the left lens that either occurred during shipping, or between the time we opened the package and put on the glasses.

Gunnar's IONIK lens tints were developed to shift colors to a warmer part of the spectrum, while also increasing contrast perception. The result is the distinctive yellow tint of the lenses, which do reduce the level of blue-wavelength light coming into the eye from LCD screens and fluorescent lights, so this claim seems to be solid. This filtering did indeed reduce eye-strain, and softened the brightness of office lighting as well. In addition to visible light, the tinted lenses block UVA and UVB light?wavelengths which can damage the cornea, lens and retina of the eye.

The fourth piece of the puzzle is Gunnar's iFi lens coatings, which include a hard coat to prevent scratching and coatings to reduce smudges and fingerprints. We've already mentioned scratching, but we really wonder about the hydrophobic and oleophobic coatings?the glasses are nearly impossible to keep clean, picking up every smudge and smear from both my face and fingers. Even when taking great care not to touch the lenses at all, I still had to wipe them regularly.

Gunnar's regular offerings are meant for folks that either need no vision correction, or have either contacts or other means to correct their vision without glasses. Prescription lens wearers aren't totally out of luck, however, as Gunnar does offer prescription variations of its PC and gaming eyewear?for a hefty increase in cost. While non-prescription models sell for around $100 each, prescriptions bump up the price to more than $300, combining corrective lenses with Gunnar's unique blend of materials, frames, and lens coatings.

Gunnar offers a 30-day money-back guarantee on all of its non-prescription eyewear, so you can try them out and return them if you're not satisfied. The company also covers its products with a one-year warranty against defects in material or workmanship.

Performance
With my life already filled with glowing screens, it wasn't hard to test the MLG Legends. In addition to wearing the glasses during my regular work day, I also made it a point to wear them during extended periods of game testing. From day to day, I did find that the tinted lenses left my eyes feeling less fatigued at the end of the day, and after a few days, I found myself preferring the yellow tinted view of my screens to the noticeably blue glow without them.

In gaming, there was certainly a benefit to wearing the glasses. The sharper contrast and reduced eye fatigue gave me a slight improvement in play while I fragged Joker-wannabes in Gotham City Impostors, and helped me to play at a slightly faster pace in the Red vs. Blue battles of Team Fortress 2.

One unfortunate side-effect of the glasses, however, is the yellow-tinged view it puts on everything. For games that are more about competition than immersion, it's not a problem, but when playing anything in single-player mode, the yellow tint reduces overall immersion, screwing up the vibrant colors and shades that make modern games so visually impressive. You can either get used to the yellow tinge, or try to adjust your screen to correct for it, but neither is particularly satisfying.

Conclusion
In the end, I can't recommend the MLG Legend glasses for everyone. They're too expensive for most, and the benefits, while real, won't justify the cost in many people's minds. That said, the benefits (though heavily hyped) are noticeable?reduced eyestrain, enhanced contrast, and a potential improvement in gaming performance. If you're a competitive gamer, logging hours in-game every day and serious about your win/loss ratio, then consider them an investment. Your eyes will thank you.

Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/JGTxLs1QY7s/0,2817,2416778,00.asp

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Newcastle Historical Society website goes live : Newcastle News ...

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Home / Local News / Newcastle Historical Society website goes live

NEW?? 2:10 p.m. March 28, 2013

In an effort to increase its presence, the Newcastle Historical Society has launched a website, complete with information about the city?s rich history and photographs of mementos from Milt Swanson?s personal museum.

The website, www.newcastlewahistory.org, also has membership information and a space to sign up to volunteer with the organization.

The Newcastle Historical Society meets the first Thursday every month at 4 p.m. at City Hall. The group?s April 4 meeting will be a birthday celebration for Swanson, who turns 95 on March 29.

Written by Staff ? Filed Under Local News?

Copyright 2010 by Issaquah Press Inc. All rights reserved. This material may not be published, rewritten or redistributed without permission. E-mail editor@isspress.com

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Source: http://www.newcastle-news.com/2013/03/28/newcastle-historical-society-website-goes-live

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Japan jobless rate up, prices, manufacturing fall

TOKYO (AP) ? Japan's jobless rate edged higher and industrial production fell slightly in February as consumer prices also fell, underscoring the fragility of the recovery of the world's third-largest economy.

The government data released Friday showed the main consumer price index fell 0.3 percent from a year earlier as deflation continued to defy the combined efforts of the government and central bank to move toward a 2 percent inflation target. However the CPI was up 0.1 percent from January's figure.

Unemployment rose to 4.3 percent from 4.2 percent the month before, while industrial production slipped by 0.1 percent in the first decline in three months. The unemployment rate for those below the age of 35 is significantly higher, at over 6 percent.

Japan's central bank governor, Haruhiko Kuroda, said Thursday that he believed the economy was improving after years of stagnation and would enter a moderate recovery by midyear. But he acknowledged high uncertainty because of the global economy.

Kuroda has pledged to work with Prime Minister Shinzo Abe's government in achieving the 2 percent inflation target set in January, preferably within two years, and ending years of growth-inhibiting deflation.

After taking power late last year, Abe's administration embarked on an aggressive stimulus program of government spending, monetary easing and planned reforms aimed at improving Japan's competitiveness. Revised figures show Japan's economy likely emerged from a recession late last year, but other data has been mixed.

The government's strategy will depend on getting consumers, whose spending accounts for the lion's share of economic activity, to spend more, and that in turn will hinge on encouraging companies to raise wages and increasing higher. Many companies huge cash reserves after having shed debt from the collapse of the economic bubble over 20 years ago but are wary of increasing investment given the existing weak demand and the aging and shrinking of the Japanese population.

Friday's data, coupled with signs of weakening retail sales, show the scale of the challenge in restoring consumer confidence.

By boosting inflation, Japan's planners hope to persuade consumers to spend more now in anticipation of price increases in the future. That could prove a daunting challenge given a drop in real wages over the past two decades and the weak job market, said Susumu Takahashi, head of the Japan Research Institute and a member of a government economic advisory council.

To achieve the inflation target the government must change expectations, he said.

"The only way is for the deflationary way of thinking to change. Without that it will be very hard," he said.

Speaking to lawmakers about the central bank's semiannual report, Kuroda said prices are unlikely to rise for the next few months but after that Japan would see some progress toward its inflation target as the economy moved toward a "moderate recovery path."

The central bank asset purchases and other strategies adopted so far have not been sufficient to reach the inflation target, he said, reiterating his intention to manage market expectations and "make clear that we have adopted the uncompromising stance that we will do whatever is necessary to overcome deflation."

Kuroda was appointed to succeed former BOJ governor Masaaki Shirakawa when he stepped down on March 19, three weeks before his term expired. The parliament is expected to approve his appointment to the five-year term, which is due to begin April 8.

The central bank is due to hold its first regular policy meeting under Kuroda April 3-4, though it may wait until later in the month to embark on any significant moves, such as a boosting its purchases of government bonds to help increase the amount of money available in the economy and encourage more investment by the private sector.

Source: http://news.yahoo.com/japan-jobless-rate-prices-manufacturing-fall-005246909--finance.html

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Indian Gaming > Money slowly dries up for California casino ...

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Source: http://www.indianz.com/IndianGaming/2013/026161.asp

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Search warrants released in Newtown investigation

NEW HAVEN, Conn. (AP) ? Search warrants used in the investigation of the Newtown school shooting by a 20-year-old gunman were released Thursday, with some information withheld at the request of a prosecutor.

The warrants are related to searches of Adam Lanza's home and car. They have been under a sealing order that expired Wednesday, and prosecutors until now have made few details available, despite pressure to do so.

Gov. Dannel P. Malloy had expressed concern about leaked information appearing in the news, and state lawmakers had requested a more complete accounting of the case as they address gun control and other issues raised by the shooting.

A Danbury Superior Court judge on Wednesday granted a request by the prosecutor overseeing the investigation, State's Attorney Stephen Sedensky III, to withhold some details. Sedensky asked to redact the name of a witness, saying the person's safety might be jeopardized if the name were disclosed. He also asked that the release not include other information such as telephone numbers, serial numbers on items found and a few paragraphs of an affidavit.

Lanza shot his mother to death inside their Newtown home on Dec. 14 before driving to Sandy Hook Elementary School, where he massacred 20 first-graders and six educators. He killed himself as police arrived. Authorities have said it will take until June or later for the investigation to be completed.

The Associated Press and other news outlets have reported previously that Lanza showed interest in other mass killings and authorities found literature on other massacres at his house.

Malloy announced last week that additional information would be released at his request. He expressed concern that some information about the shooting rampage at Sandy Hook reportedly disclosed by a top state police commander at a recent law enforcement seminar in New Orleans was leaked.

"Like many others, I was disappointed and angered to learn that certain information about the Newtown shooting had been leaked, specifically with concern for the victims' families who may have been hearing this news for the first time," the governor said in a statement.

A column published last week in the New York Daily News, citing an unnamed police officer who attended the seminar, reported that Col. Daniel Stebbins discussed evidence that suggested the Newtown gunman studied other mass slayings and dedicated extensive planning to the rampage.

The seminar was designed for only law enforcement professionals, and sensitive information dealing with the tactical approaches used by first responders to the Sandy Hook shootings was discussed, state police spokesman Lt. J. Paul Vance said.

Senate President Donald E. Williams Jr. said this week that legislative leaders hope to review the search warrant documents before finishing work on a bipartisan bill that addresses gun control and other issues related to the massacre.

A judge denied a motion by the AP and five newspapers seeking to intervene against any move to extend the current 90-day seal of the warrants. Sedensky had said earlier that the request to intervene was premature because the state hasn't filed any further requests.

Source: http://news.yahoo.com/search-warrants-released-newtown-investigation-130656368.html

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OUYA available at retail on June 4 for $99

OUYA available at retail on June 4 for TKTK DNP

The Android-powered $99 OUYA game console becomes available at retail on June 4th -- a date which was revealed this week during the Game Developers Conference. OUYA's calling June 4th its "official launch date," despite Kickstarter backers receiving units starting this month. Essentially, the two month waiting period between Kickstarter boxes and retail availability is being used as a consumer beta, giving OUYA time to adjust its software after getting feedback from early adopters.

It's not clear if bundles will be available, but the game console itself and a controller (as well as power and HDMI cables, plus two AA batteries for the controller) are included in the $99 package. Major retailers like Amazon, Best Buy, and others are on board, so it shouldn't be too hard locating one in June should your interest be piqued -- and yes, pre-orders are available. Of course, it's a pretty small game console, so it might be a bit tough locating the thing with your eyes.

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Source: http://www.engadget.com/2013/03/28/ouya-at-retail-june-4/

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Go Straight With A Wheel Alignment At NorthShore Automotive & RV ...

Auto How To Auburn

Ever been in your local Federal Way grocery store and had one of those shopping carts ? you know the one with a messed up wheel that wobbles like crazy. Your cart shakes and pulls to one side ? if you?re not careful it?s clean up on aisle three.

Wheel alignment on your truck is a lot like that. One or more of your wheels can get out of alignment; you feel a vibration in your steering wheel ? which may also be off-center. Your truck might pull to one side and your tires start to wear unevenly ? you could chew through a tire in a few months.

Sometimes wheels get knocked out of alignment by something big like hitting a curb on a bumpy Auburn road or slamming into a pothole. But everyday driving takes a toll and trucks lose alignment over time. That?s why vehicle manufacturers recommend an alignment check at regular intervals. At NorthShore Automotive & RV Repair, we offer a full menu of quality auto repair and maintenance services including wheel alignment.

In your alignment inspection, your knowledgeable NorthShore Automotive & RV Repair technician will check your tires and your suspension system for damage. He?ll test your alignment to see if it?s within vehicle manufacturers specifications. If not, he?ll make necessary adjustments to get your truck wheels all pointing the same direction again.

If your truck pulls to one side, you feel a vibration in the steering wheel or your tires seem to be wearing abnormally, talk with your knowledgeable NorthShore Automotive & RV Repair service advisor. You may need to put an alignment inspection at NorthShore Automotive & RV Repair into your shopping cart.

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At NorthShore Automotive & RV Repair in Federal Way WA (98023) we install quality NAPA replacement parts. Give us a call at 253.838.9142. To learn more about NAPA AutoCare, visit www.NAPAAutoCare.com.

Source: http://northshoreautomotivervrepair.napaautotools.com/2013/03/27/go-straight-with-a-wheel-alignment-at-northshore-automotive-rv-repair-in-federal-way/

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A new way to lose weight? Changing microbes in guts of mice resulted in rapid weight loss

Mar. 27, 2013 ? Scientists at Harvard may have new hope for anyone who's tried to fight the battle of the bulge.

New research, conducted in collaboration with researchers at Massachusetts General Hospital, has found that the gut microbes of mice undergo drastic changes following gastric bypass surgery. Transfer of these microbes into sterile mice resulted in rapid weight loss. The study is described in a March 27 paper in Science Translational Medicine.

"Simply by colonizing mice with the altered microbial community, the mice were able to maintain a lower body fat, and lose weight -- about 20% as much as they would if they underwent surgery," said Peter Turnbaugh, a Bauer Fellow at Harvard's Faculty of Arts and Sciences (FAS) Center for Systems Biology, and one of two senior authors of the paper.

But as striking as those results were, they weren't as dramatic as they might have been.

"In some ways we were biasing the results against weight loss," Turnbaugh said, explaining that the mice used in the study hadn't been given a high-fat, high-sugar diet to increase their weight beforehand. "The question is whether we might have seen a stronger effect if they were on a different diet."

"Our study suggests that the specific effects of gastric bypass on the microbiota contribute to its ability to cause weight loss and that finding ways to manipulate microbial populations to mimic those effects could become a valuable new tool to address obesity," said Lee Kaplan, director of the Obesity, Metabolism and Nutrition Institute at MGH and the other senior author of the paper.

"We need to learn a good deal more about the mechanisms by which a microbial population changed by gastric bypass exert its effects, and then we need to learn if we can produce these effects -- either the microbial changes or the associated metabolic changes -- without surgery," Kaplan, an associate professor of Medicine at Harvard Medical School, added. "The ability to achieve even some of these effects without surgery would give us an entirely new way to treat the critical problem of obesity, one that could help patients unable or unwilling to have surgery."

While the results were exciting, Turnbaugh warned that it may be years before they could be replicated in humans, and that such microbial changes shouldn't be viewed as a way to lose those stubborn last 10 pounds without going to the gym. Rather, the technique may one day offer hope to dangerously obese people who want to lose weight without going through the trauma of surgery.

"It may not be that we will have a magic pill that will work for everyone who's slightly overweight," he said. "But if we can, at a minimum, provide some alternative to gastric bypass surgery that produces similar effects, it would be a major advance."

While there had been hints that the microbes in the gut might change after bypass surgery, the speed and extent of the change came as a surprise to the research team.

In earlier experiments, researchers had shown that the guts of both lean and obese mice are populated by varying amounts of two types of bacteria, Firmicutes and Bacteroidetes. When mice undergo gastric bypass surgery, however, it "resets the whole picture," Turnbaugh said.

"The post-bypass community was dominated by Proteobacteria and Proteobacteria, and had relatively low levels of Firmicutes," he said. What's more, Turnbaugh said, those changes occurred within a week of the surgery, and weren't short-lived -- the altered gut microbial community remained stable for months afterward.

While the results may hold out the hope for weight loss without surgery, both Turnbaugh and Kaplan warned that future studies are needed to understand exactly what is behind the weight loss seen in mice.

"A major gap in our knowledge is the underlying mechanism linking microbes to weight loss," Turnbaugh said. "There were certain microbes that we found at higher abundance after surgery, so we think those are good targets for beginning to understand what's taking place."

In fact, Turnbaugh said, the answer may not be the specific types of microbes, but a by-product they excrete.

In addition to changes in the microbes found in the gut, researchers found changes in the concentration of certain short-chain fatty acids. Other studies, Turnbaugh said, have suggested that those molecules may be critical in signaling to the host to speed up metabolism, or not to store excess calories as fat.

Going forward, Turnbaugh and Kaplan hope to continue to explore those questions.

"We think such studies will allow us to understand how host/microbial interactions in general can influence the outcome of a given diet," Kaplan said. "To some degree, what we're learning is a comfort for people who have an issue with their weight, because more and more we're learning that the story is more complicated than just how much you exercise and how much you eat."

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Story Source:

The above story is reprinted from materials provided by Harvard University, via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. A. P. Liou, M. Paziuk, J.-M. Luevano, S. Machineni, P. J. Turnbaugh, L. M. Kaplan. Conserved Shifts in the Gut Microbiota Due to Gastric Bypass Reduce Host Weight and Adiposity. Science Translational Medicine, 2013; 5 (178): 178ra41 DOI: 10.1126/scitranslmed.3005687

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/55s2_HYwLsA/130327144124.htm

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Power Players: Same-sex marriage could help reduce the deficit

BOTTOM LINE

This week the Supreme Court heard arguments in two landmark cases regarding same-sex marriage: Hollingsworth v. Perry, which deals with California's Proposition 8, and the United States v. Windsor, which deals with the Defense of Marriage Act. The court likely won't hand down a ruling in these cases for several months, but many of you had questions about the legal and economic implications of both cases and of course, about the potential outcomes.

Donna Lynn Lewis wrote in on Facebook: My friend argues that it would somehow hurt the economy as far as benefits or social security, this doesn't make sense to me. Maybe you could explain what the financial effect would be for our society?

Ebersole Hughes Co. asked: Wondering if SCOTUS refuses to hear the prop 8 case or "tables" it- is same-sex marriage legal again in California?

And Kitty Cole tweeted: What's your gut feeling on how the SCOTUS will rule?

Thanks for your great questions, and please keep them coming on Twitter and on Facebook. We'll talk a lot more about the hearings and the shifting tide on same-sex marriage in America on "This Week" on Sunday. Be sure to tune in, and don't forget to watch "Good Morning America" tomorrow morning as well.

Also Read

Source: http://news.yahoo.com/legalizing-same-sex-marriage-could-170608193.html

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বৃহস্পতিবার, ২৮ মার্চ, ২০১৩

What attracts people to violent movies?

Mar. 28, 2013 ? Why are audiences attracted to bloodshed, gore and violence? A recent study from researchers at the University of Augsburg, Germany and the University of Wisconsin-Madison found that people are more likely to watch movies with gory scenes of violence if they felt there was meaning in confronting violent aspects of real life.

Anne Bartsch, University of Augsburg, Germany and Louise Mares, University of Wisconsin-Madison, will present their findings at the 63rd Annual Conference of the International Communication Association. Their study examined whether these serious, contemplative, and truth-seeking motivations for exposure to violent portrayals are more than just an intellectual pleasure. They invited a large binational sample from Germany and the US (total of 482 participants), ranging in age from 18-82, and with varying levels of education. Participants viewed film trailers featuring different levels of gore and meaningfulness, and rated their likelihood of watching the full movie. They also indicated their perceptions of the film (how gory, meaningful, thought-provoking, suspenseful, etc.).

Earlier studies have suggested that audiences are not necessarily attracted to violence per se, but seem to be drawn to violent content because they anticipate other benefits, such as thrill and suspense.

These findings suggest that such hedonistic pleasures are only part of the story about why we willingly expose ourselves to scenes of bloodshed and aggression. Some types of violent portrayals seem to attract audiences because they promise to satisfy truth-seeking motivations by offering meaningful insights into some aspect of the human condition.

"Perhaps depictions of violence that are perceived as meaningful, moving and thought-provoking can foster empathy with victims, admiration for acts of courage and moral beauty in the face of violence, or self-reflection with regard to violent impulses," said Bartsch. "Examining the prevalence of such prosocial responses and the conditions under which they occur offers a theoretically intriguing and socially valuable direction for further work."

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The above story is reprinted from materials provided by International Communication Association, via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/P0FeaSwr-TA/130328091750.htm

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Prostate cancer breakthrough ? Q&A | Science | guardian.co.uk

Prostate cancer

The scientists' findings have major implications for the treatment of prostate cancer. Photograph: Getty Images/Visuals Unlimited

Scientists have hailed the "single biggest leap forward" in their understanding of the genetic causes of prostate cancer, from a huge study involving more than 1,000 scientists.

The research has also brought significant advances in unravelling the genetics of breast and ovarian cancers. This is how the Guardian's science correspondent Ian Sample described the research:

The study, the largest ever to look for faulty DNA that drives the cancers, revealed scores of genetic markers that can identify people most likely to develop the diseases at some point in their lives.
Doctors said a simple ?5 spit-test based on the markers could provide patients with a personalised "risk profile" for the diseases and pave the way for individually tailored screening, with those most at risk having more regular health checks.
The findings have major implications for the treatment of prostate cancer. A test based on genetic markers for the disease could identify men whose lifetime risk was a staggering 50%, nearly five times the national average.
Ros Eeles, professor of cancer genetics at the Institute of Cancer Research in London, described the results as "the single biggest leap forward" in understanding the genetics of the disease.
A screening service could be offered within five years, and would transform medical treatment for the most common cancer among British men. More than 40,000 men a year are diagnosed with prostate cancer in Britain, and almost 11,000 die from the disease.

We have invited Prof Douglas Easton, director of the Cancer Research UK Genetic Epidemiology Group at the University of Cambridge, who worked on the studies, to answer your questions about their significance and the implications for future genetic tests for the diseases and potential treatments. He will be answering your questions live online on Thursday. Please post your comments in the thread below.

Source: http://www.guardian.co.uk/science/blog/2013/mar/27/prostate-cancer-breakthrough-douglas-easton

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Gay marriage foes draw fire for linking rivals to Nazi propaganda effort (Star Tribune)

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Deal of the Day ? 23? Dell U2312HM UltraSharp 1080p IPS-panel LCD monitor

LogicBUY’s Deal for Thursday is the?23″ Dell U2312HM UltraSharp 1080p IPS-panel LCD monitor for?$219.99. ?Features: Anti-glare screen with hard-coat 3H surface LED backlit 8ms response time, 2,000,000:1 typical dynamic contrast ratio, 300nit brightness 4-port USB 2.0 hub, DVI and VGA connections EPEAT Gold rated Height-Adjustable stand with tilt and swivel adjustments and built-in cable management [...]

Source: http://the-gadgeteer.com/2013/03/28/deal-of-the-day-23-dell-u2312hm-ultrasharp-1080p-ips-panel-lcd-monitor/

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Imaging methodology reveals nano details not seen before: Understanding nanoparticles at atomic scale in 3-D could improve materials

Mar. 27, 2013 ? A team of scientists from the University of California, Los Angeles (UCLA) and Northwestern University has produced 3-D images and videos of a tiny platinum nanoparticle at atomic resolution that reveal new details of defects in nanomaterials that have not been seen before.

Prior to this work, scientists only had flat, two-dimensional images with which to view the arrangement of atoms. The new imaging methodology developed at UCLA and Northwestern will enable researchers to learn more about a material and its properties by viewing atoms from different angles and seeing how they are arranged in three dimensions.

The study will be published March 27 by the journal Nature.

The authors describe being able to see how the atoms of a platinum nanoparticle -- only 10 namometers in diameter -- are arranged in three dimensions. They also identify how the atoms are arranged around defects in the platinum nanoparticle.

Similar to how CT scans of the brain and body are done in a hospital, the scientists took images of a platinum nanoparticle from many different directions and then pieced the images together using a new method that improved the quality of the images.

This novel method is a combination of three techniques: scanning transmission electron microscopy, equally sloped tomography (EST) and three-dimensional Fourier filtering. Compared to conventional CT, the combined method produces much higher quality 3-D images and allows the direct visualization of atoms inside the platinum nanoparticle in three dimensions.

"Visualizing the arrangement of atoms in materials has played an important role in the evolution of modern science and technology," said Jianwei (John) Miao, who led the work. He is a professor of physics and astronomy at UCLA and a researcher with the California NanoSystems Institute at UCLA.

"Our method allows the 3-D imaging of the local structures in materials at atomic resolution, and it is expected to find application in materials sciences, nanoscience, solid state physics and chemistry," he said.

"It turns out that there are details we can only see when we can look at materials in three dimensions," said co-author Laurence D. Marks, a professor of materials science and engineering at Northwestern's McCormick School of Engineering and Applied Science.

"We have had suspicions for a long time that there was more going on than we could see from the flat images we had," Marks said. "This work is the first demonstration that this is true at the atomic scale."

Nanotechnology expert Pulickel M. Ajayan, the Benjamin M. and Mary Greenwood Anderson Professor of Engineering at Rice University complimented the research.

"This is the first instance where the three-dimensional structure of dislocations in nanoparticles has been directly revealed at atomic resolution," Ajayan said. "The elegant work demonstrates the power of electron tomography and leads to possibilities of directly correlating the structure of nanoparticles to properties, all in full 3-D view."

Defects can influence many properties of materials, and a technique for visualizing these structures at atomic resolution could lead to new insights beneficial to researchers in a wide range of fields.

"Much of what we know about how materials work, whether it is a catalyst in an automobile exhaust system or the display on a smartphone, has come from electron microscope images of how the atoms are arranged," Marks said. "This new imaging method will open up the atomic world of nanoparticles."

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Story Source:

The above story is reprinted from materials provided by Northwestern University. The original article was written by Megan Fellman.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Chien-Chun Chen, Chun Zhu, Edward R. White, Chin-Yi Chiu, M. C. Scott, B. C. Regan, Laurence D. Marks, Yu Huang, Jianwei Miao. Three-dimensional imaging of dislocations in a nanoparticle at atomic resolution. Nature, 2013; DOI: 10.1038/nature12009

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/KCt2vVQ9aYc/130327144122.htm

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