Ultra-endurance athletes can push their bodies to extraordinary extremes, but even they run into a hard biological wall. Researchers tracked ultra-runners, cyclists, and triathletes over weeks and ...

Humans are among the most capable long-distance runners in the animal kingdom. However, body shape and composition vary ...

The human body is an amazing, curious, and disgusting thing. At any given moment, millions of tiny lifeforms are making their way across your body—both inside and out. And now, researchers say they've ...

Researchers have uncovered strange and unprecedented entities living within the human body, entities they have named ...

Science is advancing our understanding of the human body (photo taken at the Wellcome Centre, London) —Image by © Tim Sandle Science is advancing our understanding ...