engineerpoet wrote today at 2:50 AM
mercedo said
Life never started when radiation level was still very high on the earth, and life appeared when radiation level significantly lowered.
When life started on Earth, it was under intense bombardment by solar ultraviolet light; there was no ozone layer.
Somebody needs to learn about Dienococcus radiodurans.
Somebody needs to learn about Dienococcus radiodurans.
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