Life on Earth was started by a meteorite, new evidence suggests - The Telegraph

Discovery of DNA building blocks in meteor samples may explain how life survived ‘substantial geochemical challenges’ of planet’s infancy

There are four such chemicals (adenine, thymine, cytosine and guanine, better identified by their initials, A, T, C and G) which are known as bases and their arrangement makes up an individuals genom… [+1374 chars]

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