At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Nearly 50% of the world's scientists are assigned to military projects.
71
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Most dust particles in your house come from dead skin.
48
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89