Duelling is legal in Paraguay as long as both parties are registered blood donors. 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

Every single possible 3-character .com domain (over 50,000) has long since been registered! See more

Topless saleswomen are legal in Liverpool, England, but only in tropical fish stores. See more

Topless saleswomen are legal in Liverpool, England - but only in tropical fish stores. (But of course!) See more

Heroin used to be a cough medicine for children. A German company (Bayer) registered heroin as a trademark. See more

Blood is about 78 percent water. See more

In Alaska, it is legal to shoot bears. However, waking a sleeping bear for the purpose of taking a photograph is prohibited. See more

Long ago, clans would burn down your house to get rid of you without killin you. The phrase "your fired!" came from this. See more

Until the 1960's men with long hair were not allowed to enter Disneyland. See more

Albert Einstein's parents were worried he was mentally slow, because it took him a long time to learn how to speak. See more

The first domain name ever registered was Symbolics.com. See more

Every single "all a's" domain name, from a.com to aaa..aaa.com (63 a's) has been registered! See more

The longest sausage made in Australia was 11 kilometers (6.9 miles) long. See more

Lobsters have pale blue blood. See more

In Lebanon it's legal to have animal sex, but only with female animals. Animal sex with males is a capital crime. See more