› added 7 years ago

257

TIL that pine cones have genders.

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4XP0X TIL that mosquitoes perform musical duets before mating.Male mosquitos "buzz" at between 550-650 Hertz while females buzz at about 350-450 Hz. When female mosquitos fly close to male mosquitos, they harmonize their wing flapping as a signifier of good health and fitness.If they can't,no copulation.
gMJG4 TIL Swaziland changed it's name to eSwatini in 2018 in part because the country's name was often confused with Switzerland
V9G TIL - Stores cannot charge you a fee or set a minimum limit for Mastercard or Visa. Refuse to pay these and threaten to report the merchant if they do. They can be fined $1,000s for violations under their agreement. http://bit.ly/LgDNoM
p8JXe TIL that the Roman Empire, even when excluding colonial powers, is nowhere close to being the largest empire ever. It barely makes the top 20.
rNDj0 TIL it's illegal in Saudi Arabia for Saudi nationals to marry women from Bangladesh, Chad, Burma or Pakistan, in order to keep the nation homogeneous