At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Nylon is made from coal and petroleum.
42
Sound travels fifteen times faster through steel than through air.
134
Iron weighs more after it rusts.
16
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
A cubic yard of air weighs about 2 pounds at sea level.
31