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TIL 28th June (and my birthday) is the perfect day of the year mathematically, with its factors adding up to the number itself.

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mxoGE TIL In 1992, a hurricane hit Hawaii where they were filming "Jurassic Park." Spielberg's crew had to be evacuated via helicopter; the pilot, Fred Sorenson, had previously met Spielberg while playing the pilot in the opening scene of "Raiders of the Lost Ark"
OwMX TIL Pluto, by law, is still a planet in New Mexico whenever it passes over the state.
kOAw4 TIL on 1 May 1950 Mosinee, WI staged a communist take over where the mayor was dragged from his bed and "surrendered". The excitement caused him to have a heart attack, killing him 5 days later. The local minister also died after showing how he would hide a Bible from communists in a church organ.
4kXvw TIL that cats are not nocturnal or diurnal, they are crepuscular: a circadian rhythm where they are most active during dusk/dawn (low-light hours)
wlPM TIL some large telescopes use liquid mercury for a reflective mirror instead of glass. The rotating liquid assumes the paraboloidal shape regardless of the container’s shape and has a much lower cost than traditional glass mirrors.