Archive for the ‘science’ Category

Why Humans Walk On Two Legs

Sunday, July 22nd, 2007

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A team of anthropologists that studied chimpanzees trained to use treadmills has gathered new evidence suggesting that our earliest apelike ancestors started walking on two legs because it required less energy than getting around on all fours.

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Ancient Rock Art Vandalized Again

Saturday, July 14th, 2007

Federal officials are offering $500 for information leading to the identification of people involved in scratching “Bad Habits” into a panel of ancient rock art.

The vandals left other panels doubly damaged, including a rendering of a big horn sheep.

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Astronomers Get Better View Of Density Waves In Galaxies

Thursday, July 12th, 2007

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In a paper published in The Astronomical Journal, Dr. Xiaolei Zhang, of the Naval Research Laboratory, and Dr. Ronald J. Buta, of the University of Alabama, report that they have developed an accurate and widely-applicable method for characterizing density wave features in galaxies.

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