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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Iron weighs more after it rusts.
16
For every gallon of sea water, you get more than a quarter pound of salt.
45
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The smell of freshly cut grass is actually a plant distress call.
31