Have you ever heard that after people die, their fingernails, hair and teeth continue to grow? Today's program explores the truth behind this supernatural tale.
Have you ever wondered why the sound of scraping a chalkboard seems so terrible to the human ear?
Fingernails. They're good for scratching, biting, clipping, and polishing. But what are they, in fact?
The thing is that hair is a lot tougher than skin. So the same chemicals that destroy the hair can also cause serious skin irritation–and possibly even chemical burns–if left on too long.