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81

TIL Some warships used to be painted like optical illusions to disrupt enemies depth perception

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WkpP9 TIL that in a group of 23 random people there is a 50% probability that a pair of the individuals share a birthday - despite there being 365 separate days each person can be born. This is referred to as the birthday paradox. With a group of just 70 people, this probability goes up to 99.9%!
4gLa TIL Michael Jackson and Freddie Mercury were going to make a collaborative album but Freddie quit because Jackson demanded his pet llama come into the studio with him.
BgaRe TIL the only public commercial hovercraft service in the world connects Portsmouth with the Isle of Wight
69XDY TIL that there are only 20 ancient lakes (defined as carrying water for more than a million years) in the world, with only 3 in North America (Tahoe, Tule, Pingualuk). Nearly all are tectonic (i.e. rift zones) in origin, however 2 are from meteorite craters (Pingualuk in Canada, Bosumtwi in Ghana)
kO7jB TIL only two known Titanic survivors saw the Cameron movie, but there were 6 alive on its release.