Saturday, September 11, 2010

Technological manifestations of ETI that could detect and a new spiral arm

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 - The wispy arms of a spiral galaxy similar to our own Milky Way can be seen in striking detail in a new image from the European Southern Observatory. See article.
g Abodes - New data from NASA's Spitzer Space Telescope is helping astronomers better understand near-Earth objects. The study is of interest to astrobiology because asteroids could have played an important role in the origin and evolution of life on Earth. See article.
g Life - Researchers report the discovery of long-sought chemical antioxidants in the world's toughest microbe - Deinococcus radiodurans. First studied nearly 50 years ago, this bacterium can survive massive exposures to gamma-radiation, ultraviolet radiation, desiccation, and other agents which kill cells by generating reactive oxygen species. See article.
g Intelligence - In an early step toward letting severely paralyzed people speak with their thoughts, University of Utah researchers translated brain signals into words using two grids of 16 microelectrodes implanted beneath the skull but atop the brain. See article.
g Message - What technological manifestations would make an advanced extraterrestrial civilization detectable? See article. This paper is from 1992.

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