The average home creates more pollution than does the average car.
33
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The force of a suction cup is calculated using F=AP.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Balsa wood is classified as a hard wood!
41