The unraveling of the shrew, in winter: Studies decode genetic basis of seasonal organ shrinkage in mammals

Some mammals hibernate to survive in winter, but the Eurasian common shrew (Sorex araneus) employs Dehnel's phenomenon to get ...
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The shrew's extreme resting heart rate of 17 beats per second: new study reveals how

Researchers affiliated with Aarhus University have discovered a unique change in a heart protein that explains how the tiny shrew can achieve a resting heart rate that is 10-17 times higher than that ...

This Newly Discovered Tiny New Shrew Weighs as Much as a Sugar Cube

A mammal that weighs about as much as a sugar cube sounds like a myth, right? Well, it might’ve been one, until a tiny new shrew species was discovered in the Ethiopian highlands. Named after an ...
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Shrews can shrink their brains by 30%. Here's how they grow it back.

In preparation for winter, the common shrew (Sorex araneus) shrinks its brain by 30 percent to conserve precious energy. Then, come spring, the shrew miraculously 'regrows' its shrivelled brain, ...
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Small, but mighty | Where has the least shrew gone?

PENNSYLVANIA, USA — The least shrew, a small but mighty insectivore, has quietly worked behind the scenes in Pennsylvanian farmlands for decades. However, since 1990 this species has been in danger of ...