Monday, March 26, 2012

Microorganism activity level in mud deep below seas and consequences of alien contact in science fiction

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 - Scientists have discovered that galactic cosmic ray bombardment of the lunar surface causes chemical changes in water ice on the Moon. This process can create complex carbon chains similar to those that form the foundations of biological structures. See article.
g Life - Bacteria are the only organisms known to produce D-amino acids that deposit a chemical signature in the environment. Now, scientists are using this knowledge to develop a method for calculating the activity level of microorganisms in mud deep below the seas of Earth. See article.
g Aftermath - Some of the best discussion of the consequences of alien contact occurs in science fiction. Here’s a novel that ranks among the most important in that dialogue: Arthur C. Clarke’s “Songs of a Distant Earth.” Look for it at your library or local used book store. See article.

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