In zero gravity, a candle's flame is round and blue.
16
Billions of neutrinos pass unnoticed through your body every second.
6
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Indoor pollution is 10 times more toxic than outdoor pollution.
62