The last letter added to the English alphabet was ‘J’. It was introduced in 1524 by an Italian grammarian named Gian Giorgio Trissino - before that, ‘i’ was used for both the ‘i’ and ‘j’ sounds.

High-heeled shoes were originally designed for and worn by rich men. The trend began in 10th-century Persia and was claimed by women in the 18th century.

The origins of artificial banana flavouring are disputed, but there is a rare type of banana that tastes very similar - the Gros Michel. It was popular in the 1950's, but nearly went extinct.

There's a jigsaw puzzle so difficult that it has remained unsolved for 17 years, with even AI struggling to solve it. It once offered a $2 million prize for completion, but that has since expired.

A recent study found that people who don’t get 7–9 hours of sleep per night have a 29% higher risk of dying early.

If a starfish is cut into pieces, each piece can survive and grow into a new starfish.

A recent study found that regularly eating citrus fruits can reduce depression risk by 22% by promoting gut bacteria that enhance mood-regulating neurotransmitters.