The force of a suction cup is calculated using F=AP.
15
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Most dust particles in your house come from dead skin.
48
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Nearly 50% of the world's scientists are assigned to military projects.
71
The bark of an older redwood tree is fireproof.
65