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TIL bottlenose dolphins have longest memory among non-humans - they can recognize whistles of their mates after being separated for more than 20 years

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4GM5 TIL termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
epex6 TIL Canada’s bill C-16 which was passed in 2017 can result in jail time for people who purposely misgender others.
pmP4 TIL: People in Iceland genuinely believe in elves. They live in the forests and they have an elf church.
QN5d TIL that the Toyota Truck driven by Marty McFly in Back to the Future III was later stolen, taken to Mexico, used by the Cartels, recovered and is now being restored.
R5oO4 TIL The "two-fingered salute" with an inward facing palm has long been an insulting gesture in the United Kingdom, Ireland, Australia, New Zealand and South Africa. George H W Bush once accidentally used the insulting gesture in Australia, mistaking it for the "peace sign" (palm facing outwards).