The world's most dangerous jellyfish is Australia's box jelly; its toxin is more potent than cobra venom and can kill
a person in minutes.
The anaconda, which is one of the world's largest snakes, gives birth to its young instead of laying eggs.
The phrase ‘guinea pig’ originated when a tax of one guinea was imposed on powder for wigs in England to help pay
for the war with Napoleon. The list of those who had paid the tax was posted on their parish church door. As they were
the wealthy of the day, they became known as the guinea pigs.
In Denmark, it is not considered proper to tip at restaurants or hotels.