A ball of glass will bounce higher than a ball made of rubber.
73
Billions of neutrinos pass unnoticed through your body every second.
6
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
16
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Aluminum used to be more valuable than gold!
84
The average temperature at 40,000 feet above sea level is -60 F.
56