Pumice is the only rock that floats on water.
14
Aluminum used to be more valuable than gold!
84
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Cold water weighs more than hot water.
93
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The average temperature at 40,000 feet above sea level is -60 F.
56
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13