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
The force of a suction cup is calculated using F=AP.
15
Hot water can freeze faster than cold water.
181
Scientists aren't sure what color dinosaurs were.
312
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Balsa wood is classified as a hard wood!
41
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39