Most dust particles in your house are made from dead skin!
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Liquid TIDE laundry detergent glows under a blacklight.
96
The average temperature at 40,000 feet above sea level is -60 F.
56
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In zero gravity, a candle's flame is round and blue.
16