Bacteria May Rig Their DNA to Speed Up Evolution

Bacteria May Rig Their DNA to Speed Up Evolution

In 1944, a Columbia University doctoral student in genetics named Evelyn Witkin made a fortuitous mistake.

 
 
Photo by wired.com

During her first experiment in a laboratory at Cold Spring Harbor, in New York, she accidentally irradiated millions of E.

coli with a lethal dose of ultraviolet light.

When she returned the following day to check on the samples, they were all dead—except for one, in

 
 

 

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