Tuesday, February 09, 2010

Hydrothermal vents vs. primordial soup and motives for a civilization broadcasting to the galaxy at large

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 - Researchers are learning about one of the biggest species extinctions on Earth by studying an environmental disaster that occurred in Spain 11 years ago. The study could provide practical information about how the biosphere responds to abrupt ecological changes. See article.
g Life - A new paper may overturn ideas that life emerged from a “primordial soup” of organic molecules before evolving out of the oceans millions of years later. The study asserts that hydrothermal vents on the ocean floor provided chemical energy to kick-start early life. See article.
g Message - Here’s a neat piece that explores the motives for a civilization broadcasting to the galaxy at large. See article. Note: This article is from 2009.
g Cosmicus - NASA has begun a live video stream of astronauts working inside the International Space Station. See article.
g Aftermath - Clearly, if we are not alone in the universe, there are some unavoidable theological and philosophical consequences. We should reflect on the consequences of a positive result of either finding extraterrestrial microorganisms, or receiving a radio message form an extraterrestrial source: When such discovery occurs, the implications are likely to have an impact on our culture requiring adjustments possibly more radical than those arising from the evidence that humans descend from microorganisms. See article.

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