When it comes to body parts, the belly button doesn’t usually get much attention. Yet this often-overlooked little spot is a treasure trove of interesting details. Whether you've got an innie or an ...

As much as science has come to understand the human body, it’s still full of mysteries. How do our brains generate consciousness? Why do our immune systems, as complex as they are, not realize that we ...

The belly button — or navel — is where the umbilical cord is joined to the fetus. The umbilical cord runs from the fetus to the placenta. It supplies the fetus with nutrients and oxygen, and carries ...