One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The average home creates more pollution than does the average car.
33
One third of the electricity produced on earth is used to power electric light bulbs!
75