Each day, up to 150 species of life become extinct.
-23
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The average temperature at 40,000 feet above sea level is -60 F.
56
Pure water (H2O) does not conduct electricity on its own.
46
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists in Germany have developed a candy that doesn't cause cavities.
11