Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In zero gravity, a candle's flame is round and blue.
16
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199