The Nile catfish swim upside down. See more

Fingernails grow nearly 4 times faster than toenails. See more

A flea can jump 350 times its own body length. See more

February 1865 is the only month in recorded history not to have a full moon. See more

Baby elephants can drink over 80 litres of milk a day. See more

Our eyes are always the same size from birth, but our nose and ears never stop growing. See more

The dioxin 2,3,7,8-tetrachlorodibenzo-p-dioxin is 150,000 times deadlier than cyanide. See more

Calculating DNA length for each person, it would stretch across the diameter of the solar system. See more

The average person has over 1,460 dreams a year. See more