Frozen squirrels and the human brain

For the seventh episode of the BBC Earth Podcast, we’re bringing your stories about adaptation. Did you know, during its 8 month hibernation, the Arctic ground squirrel can survive with a core temperature of 3 degrees below freezing? Scientists have been studying this astounding little rodent’s long, cold sleep to understand whether its hibernation can help revolutionise understanding of our own brains. We also meet the ‘Lightning Bug Lady’ Lynn Faust who has studied fireflies her entire life and tells us about the beautiful display these creatures put on, when trying to attract a mate. We speak to a man who describes nature’s resurgence following the catastrophic nuclear disaster in Chernobyl and get to grips with some surprising silver linings to a human catastrophe.

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