Wednesday, July 07, 2010

New evidence supports favorable conditions at one time for life on Mars and how the aurora affects our search for ETI

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - Astronomers using NASA's Rossi X-ray Timing Explorer satellite, together with optical, infrared and radio data, find that, at times, most of a black hole’s X-rays come from its jets. See article.
g Abodes - New evidence supports theories that conditions favorable for life may have existed all over the surface of ancient Mars. ESA's Mars Express and NASA's Mars Reconnaissance Orbiter have identified hydrated silicate minerals in the northern lowlands of Mars, indicating that water once flowed there. See article.
g Life - It may seem intuitive that growth and development somehow go together so that plants and animals end up with the right number of cells in all the right places. But it is only now that scientists at the Duke Institute for Genome Sciences & Policy have gotten some of the first insights into how this critical coordination actually works in a plant. See article.
g Intelligence - While environment and family history are factors in healthy aging, genetic variants play a critical and complex role in conferring exceptional longevity, according to a new study by a team of researchers from the Boston University Schools of Public Health and Medicine and the Boston Medical Center. See article.
g Message - It's the mother of all earthly radio transmissions, a broadcast that's been on the air for billions of years. However, and despite the long run, it's one radio program that you'll probably give a pass: it sounds like Fast-Finger Freddie twisting the shortwave dial at a few hundred RPM. See article. This article is from 2008.
g Cosmicus - Why is astrobiology important for the United States and NASA? See article.
g Learning - NASA may not be sending astronauts back to the Moon anytime this decade, but the space agency hopes to give virtual explorers a sense of what life on the Moon would be like in a new computer game launching this month. See article.

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