Hair grows because cells at the root divide and push it upward, like toothpaste squeezed from a tube. At least, this is what what we thought. However, new research claims this explanation is ...
A modest rise in summer temperatures may have been enough to bring humans back to post-ice-age Britain centuries earlier than ...
The work demonstrates the power of ancient DNA to illuminate human biology and medicine in addition to history. A massive ...
In March 2026, overall U.S. immigration enforcement flights reached a record high of 1,794, a 122% increase over March 2025, ...
As U.S. immigration policies reverberate across the Americas, a reverse migration to the south reshapes border economies and ...
An NPR analysis shows how immigrants' attempts to live or work legally in the U.S. are caught in a bureaucratic morass.
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