The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The average temperature at 40,000 feet above sea level is -60 F.
56
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cubic yard of air weighs about 2 pounds at sea level.
31
Aluminum used to be more valuable than gold!
84
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
No matter how cold it gets, gasoline will not freeze.
107