Circadian rhythms keep our bodies on schedule. But what about the rest of the animal and plant world? Turns out, most living things run on similar cycles. In this episode we take a look at why some animals hibernate. There’s also an interview with a plant. Wait, what?!? You read that right: A PLANT!!! All that and a trip back to pre-history, to see how staying up late might have helped mammals survive all those dinosaurs. Three-word hint: nocturnal bottleneck hypothesis.

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