New material could efficiently power tiny generators

(PhysOrg.com) -- To power a very small device like a pacemaker or a transistor, you need an even smaller generator. The components that operate the generator are smaller yet, and the efficiency of those foundational components ...

Building Planet Earth

A new study shows how rocky planets are formed from the manic swirl of gas and dust that surround a young star, and determines what chemical building blocks are used to construct the planets. Understanding the dynamics and ...

Scientists reveal secrets of drought resistance

A team of biologists in California led by researchers at The Scripps Research Institute and the University of California, San Diego has solved the structure of a critical molecule that helps plants survive during droughts. ...

Amazon to release free Kindle software for PC

(AP) -- Amazon.com Inc. is trying to get more people to buy the electronic books that are compatible with its Kindle gadget by offering free software for people to read them on a computer.

Sensing disasters from space

One small step for mankind is now a leap for averting natural and man-made disasters on earth.

Female choice benefits mothers more than offspring

The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...

Carbenes: New molecules have wide applications

Researchers at the University of California, Riverside have created in the laboratory a class of carbenes, highly reactive molecules, used to make catalysts - substances that facilitate chemical reactions. Until now, chemists ...

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