Why shrews don’t need sweaters

Research presented by Dr. Tobias Fromme (Technical University of Munich) and colleagues at the 2021 Experimental Biology conference shows that Etruscan shrews (pictured above) have a rather large amount of fat located between their kidneys, which is close to their major blood vessels. This fat depot is a mixture of both brown and beige adipose tissue and is thought to help generate metabolic heat to keep these tiny mammals warm […]

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