Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...

You might think that after 200 million years, we would have learned all we're ever going to know about plesiosaurs. Such is ...

Archaeological evidence shows the Magdalenian people from 18,000 years ago likely were engaged in cannibalism. As part of the ...