24/07/2007

Earliest evidence of peanut, cotton, squash farming

Anthropologists working on the slopes of the Andes in northern Peru have discovered the earliest-known evidence of peanut, cotton and squash farming dating back 5,000 to 9,000 years.

Unique Quantum Effect Found in Silicon Nanocrystals

Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory, collaborating with Innovalight, Inc., have shown that a new and important effect called Multiple Exciton Generation (MEG) occurs efficiently ...

Small Footprint, Big Impression

North Carolina State University’s paleontologists may have a small physical “footprint” on campus, but the researchers have managed to make a pretty big impression on the world nonetheless.

Spitzer Finds Evidence for Planets with Four Parents

How many stars does it take to "raise" a planet? In our own solar system, it took only one – our sun. However, new research from NASA's Spitzer Space Telescope shows that planets might sometimes form in systems with as ...

The Sun Loses its Spots

While sidewalks crackle in the summer heat, NASA scientists are keeping a close eye on the sun. It is almost spotless, a sign that the Sun may have reached solar minimum. Scientists are now watching for the first spot of ...

Renewable energy wrecks environment, scientist claims

Renewable does not mean green. That is the claim of Jesse Ausubel of the Rockefeller University in New York. Writing in Inderscience's International Journal of Nuclear Governance, Economy and Ecology, Ausubel explains that ...

Hacking the Wii remote for physics class

You might be surprised to know that your Nintendo Wii remote control has a small accelerometer that, until recently, research physicists paid good money to purchase. But the increasing widespread use of accelerometers in ...

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