In Mexico, a kilo of avocados costs the same as the national daily minimum wage.
Less than 15% of the donations raised for the Grenfell Tower disaster have reached the survivors.
The North Korean army is the fourth largest in the world, with 1.3 million soldiers out of a total population of 25 million.
50% of Americans endorse at least one conspiracy theory.
Chimpanzees have been taught to play rock-paper-scissors.
Goldfish can survive for five months without oxygen.