The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Research indicates that plants grow healthier when they are stroked.
173
Neanderthal man had a brain capacity 100cc larger than modern man's.
50