Friday, April 02, 2010

Composing messages meant for alien eyes and Earth entering new age of geological time

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 - Geologists from the University of Leicester are among four scientists - including a Nobel prize-winner - who suggest that Earth has entered a new age of geological time. See article.
g Life - How do species modify their phenotypes in ways that permit them to succeed in their environment? See article. Note: This article is from 2009.
g Intelligence - Early human ancestors and chimpanzee ancestors may have mated and produced offspring, according to a new DNA study. See article. Note: This article is from 2006.
g Message - SETI experiments generally look for what are politely termed "narrow-band signals." In other words, the receivers at the back ends of our radio telescopes search wide swaths of the spectrum looking for a signal that's at one spot on the dial — a signal that's very constrained in frequency. By putting all the transmitted power into this small bandwidth, the aliens can ensure that their signal will stand out. See article. Note: This article is from 2008.
g Cosmicus - The Large Hadron Collider in Geneva succeeded early Tuesday in colliding subatomic particles at three times the highest energy levels previously recorded. See article.
g Learning - Are you a future SETI scientist? See article. Note: This article is from Feb. 2001.
g Aftermath - Scientists are studying the best ways to compose messages meant for alien eyes in case we ever do get the chance to communicate with extraterrestrials. See article.

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