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Friday, November 30, 2012

Krulwich Wonders...

Cornstalks Everywhere But Nothing Else, Not Even A Bee

Sifting through samples within the cube, photographer David Littschwager counted 90 separate species, including 25 types of plants just on the soil surface, along with some 200 seeds representing at least five of those species.

November 30, 2012 You can go to almost any cubic foot of ocean, stream, coral, backyard, ice shelves even, and if you look, you'll find scores of little animals and plants busy making a living. But here's a place — a beautiful, bountiful place — that when you look close — is a desert.

Summary

Research News

Victory Or Defeat? Emotions Aren't All In The Face

Can You Tell Emotion From Faces Alone? A new study suggests that when people evaluated just facial expressions — without cues from the rest of the body — they couldn't tell if the face was showing a positive or negative emotion. Enlarge this photo to see the answers.

November 30, 2012 Athletes may show intense emotion in their face, but you'll need more than that to tell if they won or lost. A new study suggests people don't read extreme facial expressions to judge how a person is feeling.

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Thursday, November 29, 2012

Greenland, Antarctic Ice Is Melting Faster

An iceberg that likely calved from Jakobshavn Isbrae, the fastest glacier in western Greenland.

November 29, 2012 The good news: Sea level has risen by just a half-inch in the past 20 years as a result of shrinking ice. The bad news: The melting is now speeding up. Over the next century, this could contribute to another 2- to 3-foot rise in sea level — enough to flood New York City every few years.

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The Salt

Tastier Winter Tomatoes, Thanks To A Boom In Greenhouse Growing

The taste of Mock's tomatoes starts with the seed. He uses only organic varieties, including cherry and several heirloom varieties.

November 29, 2012 Just because it's cold doesn't mean we should have to give up delicious tomatoes. The "buy-local" movement has spurred a boom in greenhouse grown winter tomatoes in cold climates from Jackson Hole, Wyo., to Madison, Maine. And it uses less water and less land than conventional methods.

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Space

Space Probe Finds Ice In Mercury's Craters

Researchers say they have identified traces of ice in craters on Mercury, seen here in this Oct. 8, 2008, image from the Messenger spacecraft.

November 29, 2012 On the poles of our solar system's innermost planet, where temperatures can drop to -100 degrees Fahrenheit, researchers have identified water ice and organic "goo," most likely deposited there by comets that crashed into the planet.

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The Salt

Quinoa Craze Inspires North America To Start Growing Its Own

The seeds of this goosefoot plant are known as quinoa, a superfood now in high demand and grown almost exclusively in South America. But some growers think they have the formula to grow it up north.

November 29, 2012 A North American quinoa boom may be just over the horizon, plant breeders say, as the Rocky Mountains, much of Canada, and the Pacific Northwest all have potential as production regions. Right now, almost all of the world's supply of the ancient superfood comes from a few suitable growing places in South America.

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Krulwich Wonders...

The Rubik's Cube That Isn't

Rubik's Cube

November 29, 2012 Have a look at this Rubik's Cube. Now turn it slightly. Still there?

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The Salt

Key To E. Coli-Free Spinach May Be An Ultrasonic Spa Treatment

Spinach has lots of opportunities to pick up E. coli and other bugs during harvest and growing. Here, a Mexican migrant worker cuts organic spinach during the fall harvest at Grant Family Farms in Wellington, Co.

November 29, 2012 A new way to clean spinach combines an old technique and a new one to get the disease-causing bacteria. But there aren't any commercial orders for the ultrasonic spinach spa just yet.

Summary

Wednesday, November 28, 2012

Research News

A Short Fuse For Fusion As Ignition Misses Deadline

A worker inspects a huge target chamber at the National Ignition Facility in California, in 2001, where beams from 192 lasers are aimed at a pellet of fusion fuel in the hopes of creating nuclear fusion.

November 28, 2012 The $5 billion National Ignition Facility has been called a modern-day moonshot, a project of "revolutionary science." But the massive experiment that aims to generate nuclear fusion has failed to do so by a key deadline.

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Krulwich Wonders...

Is Life A Smoother Ride If You're A Chicken?

Chicken steadicam.

November 28, 2012 Imagine a pothole-filled road. Imagine riding that road on a bicycle. Imagine the bumps. Imagine you have a chicken with you. Who has the smoother ride, you or the chicken?

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