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TIL it's been found that spiders, in part, store their memories and cognitive abilities in their webs. Destroying a web partially erases a spider's memory.

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KOd7Q TIL an "eyebrow flash" is an unconscious gesture, wherein a person wishing to approach another whom they recognize and are preparing for social contact, raises their eyebrows for approx ⅕th of a second. People generally return an eyebrow flash, unless it was given by someone whom they do not know.
96Z7 TIL the bubble gum is pink because that was the only dye Diemer (the inventor) had on hand at the time and it was his favorite color.
oB97 TIL that the reason why your singing sounds better in the shower is that the shape and material of your shower causes it to act like a low-tech sound mixer
4kOdX TIL: About Saburō Kurusu, a Japanese diplomat to the United States during the Pearl Harbor attack. He was unaware of the attack and was on his way to the Secretary of State to deliver a reply to the previous diplomatic communications.
X4GE TIL there is a temple in India where anyone is welcome regardless of religion: The Lotus Temple.