Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One cubic foot of gold weighs more than 1,200 pounds!
78
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Iron weighs more after it rusts.
16