Here's a number puzzle that's bound to make your friends think you are either a mind reader or a magician.
Ever wonder how websites like Amazon.com keep your personal information, like credit card numbers, safe from the internet bad guys? Well, here's the scoop.
Before about 360 million years ago, no vertebrates had limbs. They all shared the same fish-like body shape. But around that time something exciting happened.
The largest prime number so far discovered is 7,816,230 digits long!
Time once more for the Moment of Science word of the Day. Today's word is dither.
The Greenlandic word for the number seven translates as, “second hand, two.” That means you count five on the first hand and add two from the second, to make seven. After you run out of fingers, go for the toes. Thirteen translates as “first foot, three.” That means you add all ten fingers plus three toes.