Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Sound at the right vibration can bore holes through a solid object.
134
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A cesium atom in an atomic clock beats over nine billion times a second.
43