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At the molecular level, glass looks like a liquid. But an artificial neural network has picked up on hidden structure in its molecules that may explain why glass is rigid like a solid.

The heartbeat and other bodily processes play a surprising role in shaping perception and cognition.

Astronomers are discovering that magnetic fields permeate much of the cosmos. If these fields date back to the Big Bang, they could solve a major cosmological mystery.

In his rapid ascent to the top of his field, James Maynard has cut a path through simple-sounding questions about prime numbers that have stumped mathematicians for centuries.

Herd immunity differs from place to place, and many factors influence how it’s calculated.

Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history.

While locked down due to COVID-19, Joshua Greene and Andrew Lobb figured out how to prove a version of the “rectangular peg problem.”

One hundred years after it was proposed, the Ising model is used to understand everything from magnets to brains.

Many theories have been offered for why the official COVID-19 toll on the Indian subcontinent has been surprisingly low. The best explanation may be the shortage of good, timely data.