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A few weeks ago, a team at Berkeley announced that conditions on comets are sufficient to allow the creation of complex dipeptides, linked groups of amino acids, which could have provided the seeds of life on Earth.
Last week NASA announced a new discovery by the Curiosity rover that increased the likelihood that we may have had cousins on Mars.
If we do eventually find evidence for life on Mars, extant or extinct, the big question will be whether it evolved independently, or whether we will have just discovered evidence of distant cousins. Material routinely travels between Earth and
The Viking landers conducted biological experiments designed to detect life in the Martian soil (if it existed) with experiments designed by three separate teams, under the direction of chief scientist Gerald Soffen of NASA. One experiment turned positive for the detection of metabolism (current life), but based on the results of the other two experiments that failed to reveal any organic molecules in the soil, most scientists became convinced that the positive results were likely caused by non-biological chemical reactions from highly oxidizing soil conditions.[11]
Originally posted by darkstar57
reply to post by Zcustosmorum
It would be nice to see a written source for this, including footnotes, photos, and references that can be checkd.
i deduct 50 percent for creepy music and added irrelevant visuals.