Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nylon is made from coal and petroleum.
42
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Diamonds can be shattered with a hammer.
-104
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The left ear is more responsive to words of love and emotion whispered into it than the right.
40