Wednesday, August 04, 2010

Searching for Benford beacons and planetary oxygen levels

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 - Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. A new study has shown that coal can give a measure of how much oxygen there was in the past. See article.
g Message - Eternal curiosity might be considered a curse by some, but for Dr. James Benford, it's what drives him - be it at dinner, or while sending radio messages into the heavens. His theories are attracting attention. He hopes his messages are, too. See article.
g Cosmicus - NASA has issued a new grant that bolsters research into the cosmic building blocks of life by funding observations of young solar systems throughout the universe, including our own. See article.
g Learning - Here’s a neat video presentation introduction to astrobiology for a general audience.
g Aftermath - Here’s an intriguing entry from the “Interdisciplinary Encyclopeadia of Religion and Science”: “Extraterrestrial Life”. It discusses the consequences of alien contact from a Catholic perspective.

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