In March 1937, Hans Krebs and his colleague conducted an experiment observing the metabolic rate decline of the minced breast of a freshly killed pigeon suspended in solution. According to an article in The Scientist, by adding a salt of citric acid, they found they could keep the tissue "alive" for three times as long, and additional experiments showed the cyclical nature of the pathway which regenerates citric acid with each cycle and releases ATP.

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Researchers have treated an X-linked genetic disease affecting three babies in utero, Stat News reports.

The Associated Press reports that the US Centers for Disease Control and Prevention is beefing up sequencing as a tool to investigate foodborne illnesses.

Researchers have sequenced samples from ancient toilets to study past eating habits and health, NPR reports.

In Nature this week: ash dieback disease fungal genome, and more.