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
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Most dust particles in your house are made from dead skin!
67
Balsa wood is classified as a hard wood!
41
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89