One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
68
4.5 pounds of sunlight strike the Earth each day.
27
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Pumice is the only rock that floats on water.
14
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Pure water (H2O) does not conduct electricity on its own.
46
Scientists in Germany have developed a candy that doesn't cause cavities.
11