The force of a suction cup is calculated using F=AP.
15
Most dust particles in your house come from dead skin.
48
The bark of an older redwood tree is fireproof.
65
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Iron weighs more after it rusts.
68
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
4.5 pounds of sunlight strike the Earth each day.
27