Hot water can freeze faster than cold water.
181
A cesium atom in an atomic clock beats over nine billion times a second.
43
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Pumice is the only rock that floats on water.
14
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118