Wednesday, November 28, 2012

A 3.45-billion-year-old diet

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Life - Researchers are providing new information about the ‘diet’ of microorganisms on the early Earth. By studying 3.45-billion-year-old rocks, the team uncovered clues about ancient microbial metabolism. See article.
g Message - The set of assumptions that generates progressive research programs associated with the search for extra-terrestrial life--especially intelligent life--constitute a myth-like picture of reality. See article.
g Cosmicus - In his latest diary entry, astronaut Don Pettit talks about how exercise is used to stay healthy on the space station. Pettit also looks at the crystal structure of ice sheets made in space, questioning if they could be different than 'normal' ice that forms on Earth. See article.

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