Friday, March 26, 2010

Galactic empires and two human species once lived alongside homo sapiens

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 - The habitable zone around any star is where water can exist as a liquid. The list of exoplanets has already crossed 400. Such planets with signatures of ozone and methane in addition to water would be even more exciting. See article.
g Intelligence - A 40,000-year-old child's pinky bone found in a Siberian cave probably belonged to a previously unknown human species living near modern humans of the era, a gene study reports. See article.
g Message - Could galactic empires exist? There has been plenty of time for aliens keen on colonizing the Milky Way to pull it off. However, we see no signs of galactic federation ("Star Trek" aside). Why does the cosmos look so untouched and unconquered? What is keeping advanced extraterrestrials from claiming every star system in sight? See article. Note: This article is from 2001.
g Learning - Here’s a great resource for educators, courtesy of NASA: The Earth Science Education Update is a free monthly email newsletter describing the latest news, programs, events, and resources related to NASA's Earth Science Education Program.

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