The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The force of a suction cup is calculated using F=AP.
15
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
The sun is 330,330 times larger than the earth.
75