Stripping the Linchpins From the Life-Making Machine Reaffirms Its Seminal Evolution

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The ribosome (center) is the core of the translational system illustrated here. The system reads DNA via RNA and turns it into proteins to make all beings live. 

Credit: National Science Foundation, public domain

Marcus Bray, front, observes a sample inside a sealed atmospheric tent that has no breathable oxygen. The tent simulates atmospheric gas mixtures during Earth's earliest eon and allows researchers to work with samples by slipping their hands into leak-proof gloves. In the background, co-principal investigator and NASA astrobiologist Loren Williams looks on in his lab at Georgia Tech. Credit: Allison Carter

Jennifer Glass in her lab at Georgia Tech. She is holding a stromatolitic ironstone full of iron that rusted out of early oceans. An eon ago, oceans appear to have been full of ferrous iron, which would have facilitated production of N2O (laughing gas). Credit: Georgia Tech / Allison Carter

Loren Williams, a professor in Georgia Tech's School of Chemistry and Biochemistry researches at Georgia Tech's Petit Institute for Bioengineering and Bioscience. Credit: Allison Carter 

The ribosome (upper middle) is the core of the translational system illustrated here. The system reads DNA via RNA and turns it into proteins to make all beings live.

National Science Foundation, public domain