0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One ragweed plant can release as many as one billion grains of pollen!
51
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
16