News
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Health & MedicineSleep disruption and glucose processing
Shallow sleep can depress the body's ability to process glucose efficiently.
By Nathan Seppa -
AnimalsButterfly’s clock linked to compass
The most detailed look yet at the monarch butterfly's daily rhythm keeper suggests it's closer to ancient forms than to the fruit fly's or mouse's inner clock.
By Susan Milius -
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Health & MedicineNight lights may foster cancer
Regularly working through the night appears to come at a steep cost—a heightened risk of cancer.