Life's Cycles: Poking Holes in Classic Models of Circadian Clock Evolution by Tina Hesman Saey | Free Audiobook

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Title: Life's Cycles: Poking Holes in Classic Models of Circadian Clock Evolution
Author: Tina Hesman Saey
Narrator: Mark Moran
Format: Unabridged
Length: 20 mins
Language: English
Release date: 08-03-15
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

Summary:
The Earth has rhythm. Every 24 hours, the planet pirouettes on its axis, bathing its surface alternately in sunlight and darkness. Organisms from algae to people have evolved to keep time with the planet's light/dark beat. They do so using the world's most important timekeepers: daily, or circadian, clocks that allow organisms to schedule their days so as not to be caught off guard by sunrise and sunset. A master clock in the human brain appears to synchronize sleep and wake with light. But there are more. Circadian clocks tick in nearly every cell in the body.
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