The average temperature at 40,000 feet above sea level is -60 F.
56
One barrel of petroleum holds 42 gallons.
20
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 use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
German chemists made a replica of a trophy the size of one molecule.
68
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65