The appendix keeps you healthy and your gut bacteria happy, study finds

Happy gut bacteria are the best bacteria.

A minority of women go through extreme PMS – and now we know why

Researchers have discovered that a minority of women go through severe premenstrual syndrome (PMS) symptoms due to a hormonal abnormality.

Why do men even have nipples?

If you feel silly for wondering why men have nipples you can feel a bit better knowing that Darwin had the same question.

Ancient fish solves one of your childhood mysteries about teeth

A tale of milk teeth and ancient fish.

What causes running pain and why it’s a sign ‘you’re doing it right’

There‚Äôs a common misconception that some people just aren’t made to run. Here’s what science says, instead.

Browse the brain one cell at a time in the most detailed atlas ever made

And the Allen Brain Atlas is free to use. Hurray!

This 3D printing of a female clitoris shows how much you don’t know about female genitalia

Take a look at this image. What do you think it is?

Synthetic heart tissue bypasses the use of animal-sourced valves, arteries and veins

The synthetic tissue is safer and more reliable than that sourced from dead pigs or human cadavers.

A smart brain is not only big, but blood thirsty too

The brain needs a lot of blood to be smart.

Detailed new map of human brain reveals almost 100 new regions

Just like space, the human brain has plenty of uncharted territory.