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Researchers discover way to create true-color 3-D holograms

(PhysOrg.com) -- Satoshi Kawata, Miyu Ozaki and their team of photonics physicists at Osaka University in Japan, have figured out a way to capture the original colors of an object in a still 3-D hologram by using plasmons (quantums of plasma oscillation) that are created when a silver sheathed material is bathed in simple white light. The discovery marks a new milestone in the development of true 3-D full color holograms. In their paper, published in Science magazine, the researchers show a rendered apple in all its natural red and green hues.

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Asteroid Follows Earth’s Orbit

When you hear about asteroids close to the Earth, you probably have visions of collisions and extinctions and a postapocalyptic future. Or of brave space cowboys trying to knock them off course. You probably don’t picture a puppy that’s followed you home

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Rock stars from coastal California’s past

California is home to many natural wonders due to its varied climate and topography which includes both forest and costal lands. For the July 6, 1901 issue of Scientific American , author, big-game fisher, and former curator at the American Museum of Natural History Charles F. Holder wrote a piece on some of the interesting and beautiful results of erosion on California’s Southern coast

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Lose Focus, Lose Happiness

Daydreaming may boost creativity, but a new study from psychologists at Harvard University suggests that letting your mind wander may also lead to unhappiness. [More]

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Readers Respond to "A Geometric Theory of Everything" and Other Articles

Disagreeing On Everything As theoretical physicists, we deplore the publication of A. Garrett Lisi and James Owen Weatherall’s “ A Geometric Theory of Everything ,” as well as of Zeeya Merali’s “Rummaging for a Final Theory” [News Scan] in the September issue, which was PR-level praise of Lisi’s research that presented him as struggling against an entrenched establishment. [More]

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Radiation Levels Explained: An exposure infographic

There’s been a lot of confusion and concern about radiation in the past few weeks. As part of the Building a Better Explainer project at NYU’s Studio 20 , we decided to create a visual explainer of radiation levels, inspired by some recent presentations over at XKCD and Information is Beautiful .

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French diet’s slimming Kate, but experts scoff

Americans looking to slim down for summer may soon be cheering "Vive la France" when “The Dukan Diet” makes its American debut on April 19th.  But nutrition experts are already saying "mon dieu" about yet another carb-hating, protein-loving, weight-loss plan.

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U.S. Science Agencies Brace for Shutdown

By Gwyneth Dickey Zakaib of Nature magazine Cancer patients desperate to get into government run clinical trials will be sidelined.

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SNAPSHOT-Japan’s nuclear crisis

TOKYO, April 8 (Reuters) - Following are main developmentsafter a massive earthquake and tsunami devastated northeast [More]

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Government Shutdown Would Put Arctic Study on Ice

A federal government shutdown would cut short a key NASA field campaign to monitor Arctic ice. For the past three weeks, NASA researchers and crew have been surveying Arctic land and sea ice using specially equipped aircraft. The work is part of a larger project, "Operation IceBridge," designed to fill a gap between NASA's now-defunct ICESat satellite and its replacement, which isn't scheduled to launch until 2016.

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Nurse follow-ups may help some overweight kids

A program including regular follow-ups with nurses and focused attempts to cut back on TV, fast food, and sodas appears to keep some overweight and obese kids from gaining more weight, according to a new study.

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Defending the Body Corporate: Appeals Court Puts Gene Patents on the Stand

The latest chapter in the legal battle over gene patenting unfolded this week during oral arguments (MP3) made in a Washington, D.C., courtroom. A year after a somewhat surprising victory in a New York federal district court, a group of plaintiffs led by the American Civil Liberties Union (ACLU) and Public Patent Foundation (PUBPAT) now hopes the U.S.

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