Pumice is the only rock that floats on water.
14
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The force of a suction cup is calculated using F=AP.
15
4.5 pounds of sunlight strike the Earth each day.
27
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A ball of glass will bounce higher than a ball made of rubber.
73