Nylon is made from coal and petroleum.
42
Cold water weighs more than hot water.
93
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
For every gallon of sea water, you get more than a quarter pound of salt.
45
Out of all the senses, smell is most closely linked to memory.
146