All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee. See more

Sex is biochemically no different from eating large quantities of chocolate. See more

The thumbnail grows the slowest; the middle nail grows the fastest. See more

Those stars and colours you see when you rub your eyes are called phosphenes. See more

Blood is about 78 percent water. See more

The heart beats about 100,000 times each day. See more

Your system of blood vessels is over 60,000 miles long. That's long enough to go around the world more than twice! See more

Most dust particles in a US house are made from dead skin. See more

If you fart constantly for 6 years and 9 months, enough gas is produced to create the energy of an atomic bomb. See more

Leonardo Da Vinci invented the scissors. See more

The average person falls asleep in seven minutes. See more

Mexico City sinks about 10 inches a year. See more

All the chemicals in the human body have a combined value of approximately £4.00. See more

Hydrogen is an explosive gas. Oxygen supports combustion. Yet when these are combined it is water which is used to put out fires. See more

More than 50% of the people in the world have never made or received a telephone call. See more

Wearing headphones for just one hour will multiply the number of bacteria in your ear 700 times. See more