Airs Sunday, December 31, 2017, at 6 p.m. Brains On!, a public radio science special for kids and curious adults, 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.
Tick, Tock, Circadian Clock – A Brains On!
