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TIL cry rooms were an amenity movie theaters had starting in the 1940s. These were small areas at the back of a theater where those with unruly kids could continue to watch the film. The presence of these rooms declined greatly by the 1970s due to the rise of multiplex theaters.

BbDW TIL Watch companies have an “official time” at which every watch is set before being photographed. Timex watches are always set to 10:09:36, while Rolex watches are always set to 10:10:31 on Monday the 28th.
1v4V TIL that female ferrets, once in heat, will die if they don’t get laid. High oestrogen and no mating results in damaged bone marrow, lack of blood cells and eventual death.
8aYpL TIL about Jon Postel, a researcher who in 1998 hijacked the internet to prove a point about it's poor security. Instead of being reprimanded he was appointed to run ICANN, the authority now responsible for overseeing domain naming and ensuring the internet's ongoing stability.
pxvO TIL that when you chew your food, your mouth instinctively molds it into a rounded mass called a “bolus” before you swallow it. Now, every time I eat anything, right before I swallow it, I am weirdly aware that it has been turned into a little ball in my mouth called a bolus.
gMdZy TIL of Canadian musician Jeff Healey, who has been blind since the age of 1 due to retinoblastoma. He began playing guitar at age 3 by setting the guitar on his lap and playing it like a keyboard. His song “Angel Eyes” reached No. 5 on the Billboard Hot 100 in 1989. He died of cancer in 2008.