Cold water weighs more than hot water.
93
A ball of glass will bounce higher than a ball made of rubber.
73
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A cubic yard of air weighs about 2 pounds at sea level.
31
Billions of neutrinos pass unnoticed through your body every second.
6
German chemists made a replica of a trophy the size of one molecule.
68
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The bark of an older redwood tree is fireproof.
65