Year in review: Fluke extinction surprises lab

Accident, not competition, wiped out E. coli

Flasks

CAUSE OF DEATH  Researchers previously believed that the extinction in one flask of bacteria in a long-term evolution experiment was the result of survival of the fittest. This year, scientists discovered the bacteria's demise was more likely an accident. 

NEERJA HAJELA AND BRIAN BAER/MICHIGAN STATE UNIV.

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