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TIL that direct gaze can serve as an explicit and implicit signal of threat or dominance, indicating that overt physical aggression might soon follow, and one should avoid it with predators.

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y74M TIL that some artists between 16th and 19th centuries used a type of brown paint called Mummy Brown, which was made from ground up Egyptian mummies.
kOpOE TIL that all a copy of all the open source software code on Github is stored in a decommissioned coal mine in Svalbard archipelago (right next to the Global Seed Vault) long-term preservation. The archive designed to last at least 1,000 years.
9YjZQ TIL that Christopher Guest (of Spinal Tap and Best in Show fame) is from a long line of a British aristocrats. He is a member of the House of Lords and his official title is The Right Honorable Lord Hayden-Guest
JbWv TIL The “Red Queen” is not another name for the Queen of Hearts in “Alice in Wonderland.” They are actually two separate characters. The Queen of Hearts is from “Alice in Wonderland,” and the Red Queen is from the sequel “Through the Looking Glass.”
VRAp TIL By the time the last mammoth became extinct, the Great Pyramid of Giza was over 1000 years old.