Common shrews are one of only a handful of mammals known to flexibly shrink and regrow their brains. This rare seasonal cycle, known as Dehnel’s phenomenon, has puzzled scientists for decades. How can ...
The shrew's resting heart rate can reach up to 17 beats per second, equivalent to about 1,020 beats per minute. In comparison, the average human resting heart rate is around 60 to 100 beats per minute ...
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 ...
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