Percentages are reversible. 8% of 25 is the same as 25% of 8, which is a lot easier to do in your head. That’s because ‘of’ means ‘to multiply’ and the order of multiplication doesn’t matter. More

6 ravens have to live in the Tower of London at all times. According to a 17th century legend, King Charles II was warned that removing ravens from the grounds would cause the monarchy and the Tower itself to fall. More

In 1908, Russia showed up 12 days late to the London Summer Olympics. More

There are three single words that rhyme with orange: sporange, a botany term meaning ‘a sac where spores are made’ Gorringe, a rare English surname and Blorenge, which is the name of a mountain in Wales. More

Formula Rossa, the world’s fastest rollercoaster, can be found at Ferrari World in Abu Dhabi. It’s an F1-inspired, launched roller coaster that goes 0 to 149 mph (240 km/h) in 4.9 seconds. More

Turquoise Elfcup, Hairy Parachute, Cinnamon Jellybaby, Weeping Toothcrust, Witches’ Butter, Elbowpatch Crust, Hairy Nuts Disco, King Alfred’s Cakes, and Chicken of the Woods are all weird mushroom names. More

Your gut is better at detecting lies than your brain. If you feel like someone is lying, even if you have no logical reason to think so, they probably are. More

Hydras tear themselves a new mouth opening every time they eat. More

Broccoli is a human invention. You won’t find it in the wild, as it was created by selectively breeding from wild cabbage. More

The first time ‘Google’ was used as a verb on TV was on Buffy the Vampire Slayer. More