A human life is worth $13.7 million - according to the US Department of Transportation, which uses this 'statistical value of life' when weighing the costs and benefits of safety regulations.

In the US, there is a 1 in 93 chance of dying in a motor vehicle crash during your lifetime. Not wearing a seatbelt is attributed to 50% of these fatalities.

South Korea's birth rate is so low that the government is offering couples up to 51 million won (approximately $38,600) in incentives to date, marry, and start a family.

People tend to overindulge when given a free pass, a behaviour known as the SnackWell Effect, named after low-fat cookies people often overeat. Similarly, low-energy light bulbs are often left on longer.

There are more ethnic Norwegians living in the USA than in Norway.

Egg yolk colour preferences vary regionally. For example, Germans generally prefer darker yolks than UK consumers. Large-scale producers adjust yolk colour through feed to suit each market.

Purple has long been linked to royalty because, in Ancient Rome, it was made by fermenting snail secretions, requiring 12,000 snails for 1 gram of dye. Its rarity led Caesars to claim it exclusively.