BIOLOGY

George Washington died after his physician treated his sore throat with bloodletting, but don't let that stop you from learning more about the human circulatory system.

The funnel they use to get around serves a dual purpose.

The Southern Darwin’s frog is unique in the amphibian world, and conservationists are racing to save it from extinction.

The male sexual organ is more complicated than it might seem.

Catch the blooming of Sydney‘s corpse flower without being exposed to its infamous odor.

The sensation is real, but it doesn't have to do with odor.

Taking in oxygen to power your whole body is just one part of your lung function. Altogether, your lungs are a highly efficient machine—and they do a lot more than you might think.

Public health officials are concerned that we could move back into a situation like that of the early 20th century, before antibiotics were discovered.

Not only is the liver your largest internal organ; it is in charge of hundreds of bodily processes ranging from fighting infection to manufacturing proteins and hormones to helping your blood clot.

It’s less than an inch in diameter.

René Descartes once described the pineal gland as “the principal seat of the soul.” Medical knowledge has vastly progressed since his time, though. Here’s what we know about this critical organ.

Up to 70 percent of people have experienced hypnic jerks, but they’re usually nothing to worry about.