When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
Most dust particles in your house are made from dead skin!
67
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The sun is 330,330 times larger than the earth.
75
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17