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sweaty boy with water bottle

Is Earth really getting too hot for people to survive?

By Scott Denning published

To assess risk from heat, scientists use the "wet bulb temperature," looking at the point where the human body isn't able to let enough heat out.

Climate change
illustration of mount vesuvius erupting

Evidence of more than 200 survivors of Mount Vesuvius eruption discovered in ancient Roman records

By Steven L. Tuck published

After Mount Vesuvius erupted, survivors from the Roman cities of Pompeii and Herculaneum fled, starting new lives elsewhere.

Archaeology
A 3D illustration of a pink human brain on a pale pink background

The enigmatic 'brain microbiome' could play a role in neurological disease

By Janosch Heller published

Some research suggests the brain has its own microbiome, but scientists don't know much about it.

Neuroscience
Psychedelic illustration of a human head and a neural network in the brain.

Psychedelics rapidly change the brain. Here's how.

By Edmund S. Higgins published

New research hints at how psychedelics trigger rapid, lasting change at the neuronal level.

Medicine & Drugs
woman's feet standing on a pair of scales

Exercise may or may not help you lose and keep off weight — here's the evidence for both sides of the debate

By Donald M. Lamkin published

Here's the evidence for both sides of the exercise debate.

Health
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