The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The average temperature at 40,000 feet above sea level is -60 F.
56
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels fifteen times faster through steel than through air.
134
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Diamonds can be shattered with a hammer.
-104
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15