A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A ball of glass will bounce higher than a ball made of rubber.
73
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Balsa wood is classified as a hard wood!
41
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41