Saturday, March 14, 2026

Textbooks were wrong: Scientists reveal the surprising way human hair really grows

Hair may grow in a completely different way than scientists once believed. Instead of being pushed out from the root, new research shows that moving cells inside the follicle actually pull the hair upward like a microscopic motor. Advanced 3D imaging revealed a spiral movement of cells that generates this force. The finding could change how scientists study hair loss and design future treatments.

from Top Health News -- ScienceDaily https://ift.tt/oLthZKU

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Ancient DNA reveals plague was already killing humans 5,500 years ago

Plague was already a deadly killer 5,500 years ago, long before cities, farming, or the rat-infested conditions usually linked to historic o...