Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
No matter how cold it gets, gasoline will not freeze.
107
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The only letter not appearing on the Periodic Table is the letter "J".
180
The smell of freshly cut grass is actually a plant distress call.
31
Liquid TIDE laundry detergent glows under a blacklight.
96
For every gallon of sea water, you get more than a quarter pound of salt.
45