NASA researchers have found the building blocks for life on earth in meteorites, indicating that the components for life on Earth may have originated in outer space.
According to the findings from a group of NASA-funded researchers, the scientists found that ready-made DNA parts could have crashed to earth's surface on objects like meteorites, and then assembled under earth's early conditions to create the first DNA.
http://www.ibtimes.com/articles/195073/20110809/nasa-dna-meteorites-building-blocks-life-on-earth-from-space.htm
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