Most dust particles in your house are made from dead skin!
67
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Liquid TIDE laundry detergent glows under a blacklight.
96
In zero gravity, a candle's flame is round and blue.
16
Iron weighs more after it rusts.
68
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Nearly 50% of the world's scientists are assigned to military projects.
71