Sunday, September 12, 2010

Discovering volcanoes on exoworlds and evolution of oxygen-producing organisms

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 - Volcanoes display the awesome power of nature like few other events. Now that astronomers are finding rocky worlds orbiting distant stars, they're asking the next logical questions: Do any of those worlds have volcanoes? And if so, could we detect them? See article.
g Life - The evolution of oxygen-producing organisms has been pushed back another 270 million years through the discovery of well-preserved fossils in Western Australia's Pilbara region. See article.
g Intelligence - Students who cheat in high school and college are highly likely to fit the profile for subclinical psychopathy - a personality disorder defined by erratic lifestyle, manipulation, callousness and antisocial tendencies, according to research published by the American Psychological Association. These problematic students cheat because they feel entitled and disregard morality, the study found. See article.
g Message - When the Voyager 1 and 2 spacecraft were launched in 1977, they each included a gold-plated phonograph record (a "golden record") of natural sounds, greetings in human voices, and a variety of music. The record cover has symbolic instructions that show how to use and understand the record, though scientists still debate whether other civilizations will be able to decipher them. Seeinfo on the Golden Record.

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