It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The smell of freshly cut grass is actually a plant distress call.
31
Most dust particles in your house come from dead skin.
48
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
For every gallon of sea water, you get more than a quarter pound of salt.
45
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18