Thursday, June 03, 2010

Physical and chemical limits for life on Earth and SETI alternatives

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Abodes - There is a lot we don't yet understand about climate change, but humankind's influence on the Earth is becoming more and more apparent. Studying our effect will help us understand life's future on Earth. See article.
g Life - One of the prominent goals of astrobiology is to discover life or signs of life on planets beyond Earth. To approach this goal, it will be useful to know the physical and chemical limits for life on Earth and, perhaps more importantly, to understand the underlying biophysical characteristics of life that set these limits. Such knowledge would allow us to make educated guesses— based on remote measurements of physical and chemical parameters alone— about the likelihood of finding life on other planets. See article.
g Intelligence - The speed of your smile can shape the first impressions others have of you, according to a new research. See article.
g Message - On an episode of “The Space Show” from 2005, Scot Stride, a senior engineer at NASA JPL in Pasadena, Calif., was the guest for this Space Show program. Stride discussed SETI programs with us and highlighted his discussion with the SETI alternatives, SETV (Search for ET Visitation) and S3ETI (Solar System SETI). Stride provided listeners with a superb background and history on SETI, how it started and how it became what it is today. He also discussed the Allen Telescope Array and what it will mean for future SETI efforts. Hear a copy of the show.
g Learning - If there was a rogue planet hurtling towards us, we'd be able to see it. See article.

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