Lot's of people want to live longer. Find out the key to longevity on this Moment of Science.
If you've seen Jurassic Park, you might be familiar with the Stegosaurus. Learn about the stegosaur and his tail on this Moment of Science.
The first cows that come back from milking head right for the stalls with waterbeds, and some cows have been known to wait around for other cows to clear out so that they can grab their spot.