Real diamonds do not show up on x-ray.
36
U-Haul is the world's largest advertiser in the Yellow Pages.
21
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56