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TIL the eight-spotted crab spider (Platythomisus octomaculatus) is one of the most unnatural-looking spiders around with it highly contrasting black dots on bright yellow abdomen. It was found in a forest preserve in Singapore in 1924, and it is among the largest crab spiders at one inch in length.

Read more animals.howstuffworks.com

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AGwg TIL architects designed an ‘Earthscraper’ in response to a 10-story height limit on buildings in Mexico City. Reaching 1000 feet deep and shaped like a inverted pyramid, pedestrians walking over its transparent top ('base’) would be able to look down toward the bottom ('peak’) of the structure.
4VxR TIL that Sir Isaac Newton died a virgin
nWBxP TIL Manichaeism existed as a world religion, spreading very far and fast. They revered Jesus, Buddha, Zoroaster and Mani (Seal of the prophets) all as prophets to guide humanity towards the light. They rejected an omnipotent god, opting for absolute dualism as a solution to the problem of evil.
5YyDQ TIL Eratosthenes Calculated the circumference of the earth about 2200 years ago. His calculation 40,000 km (in modern units) is within 1% accuracy of earth’s circumference 40, 072 km (measured by orbiting spacecraft).
oBROK TIL: The term “joshing ya” originated from a deaf mute con man named Josh Tatum. He succeeded in exploiting a design flaw from the US mint and made a ton of free money. He was eventually caught but acquitted of all charges! Bonus: He also caused the US Mint to cease production! I’m not joshing ya!