When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67
Sound travels fifteen times faster through steel than through air.
134
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
