When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Each 5 m.p.h. you drive over 60 m.p.h. is like paying an additional $.10 a gallon for gas!
33
20252 is Smokey the Bear's own zip code.
35
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
If left alone, 70% of birthmarks gradually fade away.
193
The strangers in your dreams are actually people that you've seen in real life.
50
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
