Giant Impact Scenario May Explain the Unusual Moons of Saturn

Among the oddities of the outer solar system are the middle-sized moons of Saturn, a half-dozen icy bodies dwarfed by Saturn's massive moon Titan. According to a new model for the origin of the Saturn system, these middle-sized moons were spawned during giant impacts in which several major satellites merged to form Titan.

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Neil Armstrong ,First Man to Walk On the Moon Dies

Neil Armstrong, the first man to walk on the moon during the 1969 Apollo 11 mission, has died, following complications resulting from cardiovascular procedures. He was 82.

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Sustainability Through The Back Door

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Our Changing Forests: An 88-Year Time Lapse

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Human and Chimps Genetic Differences

Ninety-six percent of a chimpanzee's genome is the same as a human's. It's the other 4 percent, and the vast differences, that pique the interest of Georgia Tech's Soojin Yi. For instance, why do humans have a high risk of cancer, even though chimps rarely develop the disease?

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DNA Sequenced for Parrot's Ability to Parrot

Scientists say they have assembled more completely the string of genetic letters that could control how well parrots learn to imitate their owners and other sounds.

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European Parliament considers curbing food ads aimed at the young

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Nanotechnology Breakthrough Could Dramatically Improve Medical Tests

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