The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Pure water (H2O) does not conduct electricity on its own.
46
Hot water can freeze faster than cold water.
181
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199