Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Iron weighs more after it rusts.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound travels about 4 times faster in water than in air.
408