Only humans shed emotional tears.
331
Real diamonds do not show up on x-ray.
36
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Like fingerprints, everyone's tongue print is different.
250
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
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
WAL-MART generates $3,000,000.00 in revenues every 7 minutes!
74
