Pumice is the only rock that floats on water.
14
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Hot water can freeze faster than cold water.
181
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Most dust particles in your house come from dead skin.
48
The average home creates more pollution than does the average car.
33
4.5 pounds of sunlight strike the Earth each day.
27