Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
German chemists made a replica of a trophy the size of one molecule.
68