If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

So the mathematician's answer is that humans have either seven or eight holes. In the end, the question is not just about ...

The same body can look very different depending on whether you approach it as a biologist, a doctor, or a mathematician.

Weight loss feeling harder than it should? Your body isn’t broken, but the old advice about how it spends energy might be ...

RICHMOND, Va. — What makes you happy? Is it the rich taste of chocolate, the serenity of a long walk on the beach or the rush of skateboarding? No matter what brings you joy, the impact of happiness ...

Things in Dr. Anthony Atala’s lab at Wake Forest University are not always what they seem. On one lab bench, surrounded by gutted printer cartridges, lie the inner workings of an inkjet printer. But ...

Scientists published more than three dozen papers as part of the Human Cell Atlas, an effort to map the human body cell by cell. When you purchase through links on our site, we may earn an affiliate ...

The Greenland shark can live up to 500 years. The kind of longevity that probably has something to do with its home: cold, ...

Editor's Note: This story was included as an excerpt in WBUR's weekly health newsletter, CommonHealth. If you like what you read and want it in your inbox, sign up here. There are some questions ...