A description of the Last Universal Common Ancestor LUCA. Prior to the use of DNA, before life created an oxygen atmosphere on earth, there was LUCA the ancestor of all living things; Eukaryotes, Archaea, and Eubacteria. this article describes what LUCA may have been like.
Gradually getting closer to a truly earth like planet.
Time lapse sequences of photographs taken with a special low-light 4K-camera by the crew of expedition 28 & 29 onboard the International Space Station from August to October, 2011.
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