Nylon is made from coal and petroleum.
42
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
For every gallon of sea water, you get more than a quarter pound of salt.
45
A cesium atom in an atomic clock beats over nine billion times a second.
43