When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One third of the electricity produced on earth is used to power electric light bulbs!
75
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Research indicates that plants grow healthier when they are stroked.
173
Nylon is made from coal and petroleum.
42
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155