Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Cold water weighs more than hot water.
93
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Each day, up to 150 species of life become extinct.
-23
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16