0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Nylon is made from coal and petroleum.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Most dust particles in your house are made from dead skin!
67
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51