Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One barrel of petroleum holds 42 gallons.
20
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
One ragweed plant can release as many as one billion grains of pollen!
51