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Tick, Tock, Circadian Clock - A "Brains On!" Special

Brains On! explores the fascinating science behind circadian rhythms. Host Molly Blooms delves into how humans have a ticking clock inside them, looks at what happens to hibernating animals and explores how all life is affected by light and dark.

"Tick, Tock, Circadian Clock" offers a unique, scientific celebration of the Winter Solstice.

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