Condoms were originally made of animal intestines or linen.
347
Denmark has twice as many pigs as there are people.
66
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Two dogs were among the Titanic survivors.
262
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Jellyfish as a species are actually older than dinosaurs and sharks.
383
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59