Physiology

Your morning walk, no matter how far, can help you live longer

Science says it's okay if you only get 15 minutes of exercise per day (but the more the better)

The lifesaving transplant organ you're waiting on may go missing in transit

A new investigation finds that many organs are critically delayed while being shipped on commercial airliners

Climate change is almost too big a problem to study. The solution? Volcanoes.

Volcanoes blanketed by tropical rainforests are a natural laboratory to study climate change

Meet Nobel Prize winner Rosalyn Sussman Yalow, who let doctors see into your blood

Her radioimmunoassay technique enabled scientists to measure hundreds of trace biological substances for the first time

David Hu sells quirky research with an apartment full of snakes

"How To Walk On Water And Climb Up Walls" welcomes readers to the strange world of biolocomotion

Can exercise counteract the effects of aging on our muscles?

New research is making it seem increasingly likely – to a point

Can young blood actually help cure Alzheimer's?

Researchers are testing the idea, with encouraging early results

Why you shouldn't believe everything your sleep tracker tells you

People who are told they slept poorly will act accordingly, even if it isn't true

Beetles exploit bacteria labor to grow their exoskeletons

New research has revealed a "symbiotic organ" in weevils, showing how tiny organisms shape larger life