Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
German chemists made a replica of a trophy the size of one molecule.
68
In zero gravity, a candle's flame is round and blue.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One third of the electricity produced on earth is used to power electric light bulbs!
75
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65