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 ...

What can be learned from a shrew — the tiny, furry, high-strung creature that needs to eat the equivalent of its body weight in food every day to survive? More than you might expect, including ...

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 ...