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

From the moment of conception, your baby has the genetic information to become a boy or girl — but because both sexes start out the same in the womb, you're going to have to wait to find out that info ...

But after a couple of years of work, xMEMS has arrived at the next generation — ultrasound through a solid-state speaker. This tiny, 1mm-thin speaker is called Cypress, and after listening to it ...