One 75-watt bulb gives more light than three 25-watt bulbs.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Sound travels fifteen times faster through steel than through air.
134
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7