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Biology12263 articles archived since 1845

Is Death Reversible?

An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life

October 8, 2019 — Christof Koch

How Cells Sense Oxygen Levels: Nobel Prize in Physiology or Medicine

William Kaelin, Jr., Peter Ratcliffe and Gregg Semenza share the 2019 Nobel Prize in Physiology or Medicine “for their discoveries of how cells sense and adapt to oxygen availability.” New therapies for cancer and conditions such as anemia are in the pipeline, based on these discoveries...

October 7, 2019 — Steve Mirsky

Nobel in Physiology or Medicine for How Cells Sense Oxygen Levels

The 2019 Nobel Prize in Physiology or Medicine goes to William G. Kaelin, Jr., Peter J. Ratcliffe and Gregg L. Semenza “for their discoveries of how cells sense and adapt to oxygen availability.” They identified molecular machinery that regulates gene activity in response to changing levels of oxygen...

October 7, 2019 — Steve Mirsky

Teeth Tell Black Death Genetic Tale

DNA from the teeth of medieval plague victims indicates the pathogen likely first arrived in eastern Europe before spreading across the continent.

October 6, 2019 — Susanne Bard

Heat Changes Insect Call, but It Still Works

Tiny insects called treehoppers produce very different mating songs at higher versus lower temperatures, but the intended recipient still finds the changed songs attractive.

October 2, 2019 — Shahla Farzan
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