0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The sun is 330,330 times larger than the earth.
75
Aluminum used to be more valuable than gold!
84
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In zero gravity, a candle's flame is round and blue.
16
No matter how cold it gets, gasoline will not freeze.
107
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65