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TIL that in Japan, there is a TV show in which female participants are filmed running up a hill for 6 minutes, and it is very popular

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VdnQ Til that today is also the celebration of St Gertrude, the patron saint of cats, gardeners, and mental illness.
4XVRa TIL that the hum from transformers is caused by magnetostriction, a process where the change in polarity through the core causes the core to slightly and rapidly expand and contract, making a vibration.
M7M1a TIL: The domestic cat is a revered animal in Islam and One of Muhammad's (PBUH) companions was known as Abu Hurairah (literally: "Father of the Kitten" PBUH) for his attachment to cats.
16DrD TIL that there's a programming language called APL. It stands for 'a programming language.'
D1DZg TIL that North Korea has an official news site with an English translation