02.12.2010 20:20 Uhr, Quelle: Engadget

NASA discovers arsenic-born organisms, search for life broadens parameters

If you were hoping NASA was going to announce the very first tweet from an extraterrestrial being, sorry to break your heart -- it is astrobiological, but the findings are actually borne of this rock. Researchers in Mono Lake, California have discovered a microorganism that uses aresnic instead of phosphorous to thrive and reproduce. The latter, as far as human life is concerned, is a buildng block of life along with carbon, hydrogen, nitrogen, oxygen, and sulfur, integral to DNA and RNA. Arsenic, meanwhile, is generally considered toxic to life as we know it. In other words, NASA's proven that life outside of Earth

Weiterlesen bei Engadget