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
Sound travels fifteen times faster through steel than through air.
134
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The bark of an older redwood tree is fireproof.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists aren't sure what color dinosaurs were.
312