Professor uses data gathered from squirrels to make music

The squirrels are wary at first. They carefully sniff at the traps set on the chilly ground of Alaska's north slope, suspicious of their sudden arrival. But soon, unable to resist the temptation of the small bits of carrot ...

How rodents bulk up for winter without going nuts

When Arctic ground squirrels need to bulk up for winter, they get a boost from an enormous spike in the levels of steroids in their blood. So why doesn't it lead to 'roid rage?

Arctic ground squirrels muscle up to hunker down

When Arctic ground squirrels are getting ready to hibernate they don't just get fat – they pack on muscle at a rate that would make a bodybuilder jealous. And they do it without suffering the harmful effects that high ...

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