According to a study published by Nature Metabolism, marathon runners experience reversible changes in their brain myelin.

Note: The project page for this work includes 33 autoplaying high-res videos totaling half a gigabyte, which destabilized my system on load. For this reason, I won’t link to it directly. Readers can ...

Nervous system dysregulation impacts health, linking stress responses to mental and physical conditions. Understand its ...

Most people have 24 ribs, with 12 on each side of the body. No evidence indicates any difference between males and females. The ribs and rib cage are excellent examples of the human body’s ...

Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Fudan University, Shanghai 200433, China Department of Civil and ...

What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the other. "The question of where we come from is one that has ...

When Grey's Anatomy was given the plum post-Super Bowl slot in its second season, fans watched tensely as Meredith decided to shove her hand into a body cavity ... stabbed by a human trafficker's ...

We may earn commission if you buy from a link. Why Trust Us? While most estimates place the current human population at around 8.2 billion, a new study suggests we might be vastly ...

(NewsNation) — Butch Wilmore and Suni Williams, as well as two other NASA astronauts, have left the International Space Station after being stuck for nine months after a Boeing test flight. The return ...

However, the human body evolved to function in the gravity of Earth. So time in the weightlessness of space can take years from which to fully recover. Astronauts Suni Williams and Butch Wilmore ...

Spending months in microgravity is brutal on the body. Without the Earth’s gravitational pull, muscles shrink, bones weaken and bodily fluids shift. Astronauts lose muscle mass rapidly because ...

Clicking two parts together with a twist of its servo-controlled wrists, and handing it to a human colleague is a basic task. But it's also an important moment in the much-hyped world of human ...