NASA: National Aeronautics and Space Administration


Ask an Astrobiologist
"When the astronauts go into space, what protects them from solar radiation (microwaves, etc.) which the ozone and atmosphere protect the Earth from?"
  1. Reanimating Extinct Genes

    Can evolution be played over again in the lab? A group of researchers plans to insert an ancient gene in a modern day bacteria and see if this gene will mutate back to its current-day form. The results will give insight into how unique the evolutionary path may be.

    Source: [Astrobiology Magazine]

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