(AP) -- A pair of visiting shuttle astronauts ventured out on a spacewalk at the International Space Station on Monday, tackling a hodgepodge of maintenance jobs and an experiment to capture the invisible vacuum of space.
Space Exploration
Feb 28, 2011
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(AP) -- U.S.-based website Groupon.com says it has launched a discount coupon site in China, hoping to capitalize on the world's most populous Internet market.
Internet
Feb 28, 2011
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Google has restored e-mail service to some of the users who found all of their old messages deleted on Sunday.
Internet
Feb 28, 2011
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Lodgepole pine, a hardy tree species that can thrive in cold temperatures and plays a key role in many western ecosystems, is already shrinking in range as a result of climate change – and may almost disappear from most ...
Ecology
Feb 28, 2011
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In an interesting bit of scientific serendipity, researchers at North Carolina State University have found that a chemical compound useful for studying the origins of intestinal birth defects may also inhibit the growth and ...
Biochemistry
Feb 28, 2011
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The Pan-STARRS PS1 telescope on Haleakala, Maui, discovered 19 near-Earth asteroids on the night of January 29, the most asteroids discovered by one telescope on a single night. Cataloging near-Earth asteroids is important ...
Astronomy
Feb 28, 2011
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Sulfur is the sixth most abundant element on Earth and plays a key role in many geological and biological processes. A French-German team including CNRS and the Université Paul Sabatier has identified, on the basis of ...
Earth Sciences
Feb 28, 2011
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Electrical energy can be generated from a temperature difference in a circuit with suitable materials. In simulations, ETH Zurich scientists show which materials are most likely to succeed in a thermoelectric process.
Nanomaterials
Feb 28, 2011
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Sexuality and religion are generally considered uncomfortable bedfellows. Now, for the first time, a team of researchers from Nottingham have carried out a detailed study around these issues and how they affect and influence ...
Social Sciences
Feb 28, 2011
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Part of the answer to how and why primates differ from other mammals, and humans differ from other primates, may lie in the repetitive stretches of the genome that were once considered "junk."
Biotechnology
Feb 28, 2011
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