Human Physiology

Thermoregulation Altitude Effects Altitude Physiology Respiratory System Sleep Science Gastroenterology Environmental Physiology Microgravity Effects Physical Training Muscle Repair

Germany Pushes 'Penguin Walk' and Ice Spikes as DGOU Warns Against Cycling on Hard Ice

A spike in winter bike crashes is prompting sharper guidance to switch to cautious walking, with bicycles left parked on pervasive ice.

The 2005 Bushman’s Hole Recovery Attempt That Cost a Diver His Life

Kilian Jornet Completes Monthlong, Human-Powered Linkup of 72 U.S. Fourteeners

Andrzej Bargiel Completes First No‑Oxygen Ski Descent of Mount Everest

Croatian Freediver Sets 29:03 Oxygen-Assisted Breath-Hold World Record

Flatulence Spikes at High Altitude as Airlines Dismiss Carbon Filter Proposals

Surveys Reveal Men Largely Unaware of Their Osteoporosis Risk

Cold Showers Can Trap Heat and Heighten Cardiac Risk in Heatwaves

Human Brain's Unique Wiring Revealed in Groundbreaking Memory Study