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Chronobiology
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Researchers Tap a Sleep Switch in the Brain
Powerful new experiments have uncovered some of the molecular underpinnings of sleep.
Teeth May Reveal a Multi-Day Biological Clock
Tiny lines laid down by tooth enamel appear to reveal a previously unknown biological rhythm. If confirmed, the finding could help researchers understand why big animals grow slower — and live longer — than small ones.
The Beasts That Keep the Beat
New insights from neuroscience — aided by a small zoo’s worth of dancing animals — are revealing the biological origins of rhythm.
How the Body’s Trillions of Clocks Keep Time
Cellular clocks are almost everywhere. Clues to how they work are coming from the places they’re not.