0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
If the chemical sodium is dropped into water it will immediately and violently explode.
67
4.5 pounds of sunlight strike the Earth each day.
27
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Sound travels about 4 times faster in water than in air.
408
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11