In zero gravity, a candle's flame is round and blue.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
Most dust particles in your house come from dead skin.
48
One ragweed plant can release as many as one billion grains of pollen!
51
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65