New oldest evidence of life: Biosignature in crystal from 4.1 billion yrs ago http://sci.lt/1GeJdSm @ScienceNewspic.twitter.com/Op7jiyynU9
@ViresInInternet @SumnerScience An unlikely place and time for life to have originated, unless it came *from* the bombardment.
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@NickSzabo4 @ViresInInternet A (however remote) possibility is life originated a few times during the bombardment, and this is an early lineThanks. Twitter will use this to make your timeline better. UndoUndo
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