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View Full Version : Cosmic Explosion Left Imprint in Fossil Record



Fraser
2013-Apr-16, 05:50 PM
Ancient iron-loving bacteria may have scooped up evidence of a nearby supernova explosion 2.2 million years ago, leaving an extraterrestrial iron signature in the fossil record, according to German researchers presenting their findings at a recent meeting of the American Physical Society. In 2004, German scientists reported finding an isotope of iron in a core [...]

More... (http://www.universetoday.com/101494/cosmic-explosion-left-imprint-in-fossil-record/)