Members of the armed forces and the police cannot vote in the Dominican Republic. See more

Eels have two hearts. See more

Everyone is colourblind at birth. See more

Adolf Hitler had only one testicle. See more

Your nose smells best when you are about 10 years old. See more

The most common name in the world is Mohammed. See more

Lightning bolts can sometimes be hotter than the sun (about 50,000 ºF, 27,760 ºC). See more

If you take a pencil, you can draw a 50 kilometer (31 mile) long line. See more

Soccer is the most attended or watched sport in the world. See more