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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average temperature at 40,000 feet above sea level is -60 F.
56
Balsa wood is classified as a hard wood!
41
One ragweed plant can release as many as one billion grains of pollen!
51
German chemists made a replica of a trophy the size of one molecule.
68
The sun is 330,330 times larger than the earth.
75
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38