Thursday, November 11, 2010

Ancient atmospheres of Earth and Mars and quantum communication between the stars

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - A new image of a galactic pileup shows the vivid chaos of two colliding galaxies, giving astronomers a ringside seat to watch how the cosmic mergers can influence the evolution of the universe. See article.
g Abodes - Chemists have uncovered a chemical reaction that could allow scientists to study the ancient atmospheres of Earth and Mars. The technique could yield clues about past life on Earth - and the potential for past life on Mars. See article.
g Life - A research group has shown that the closest living relatives of the tetrapods - the lungfish - are insensitive to sound pressure but sensitive to vibrations. See article.
g Intelligence - Researchers have documented species differences in the pattern of brain development after birth that are likely to contribute to cognitive differences between modern humans and Neanderthals. See article.
g Message - Would anyone deliberately beam high-powered signals into space? Can we assume that extraterrestrial societies would broadcast in ways that would mark their location as plainly as a flag on a golf green? See article. This article is from 2003
g Cosmicus - NASA has devised a new tool in the battle against massive eruptions from the sun: an early warning system to protect electrical grids on Earth from extremely powerful solar storms. See article.
g Learning - In the quaint physics laboratory of St Joseph’s College, Bangalore, every Saturday a group of youngsters can be seen nurturing its space dream and be part of India’s highly sophisticated space research program. See article.

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