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TIL The few species of insects that can recognize faces share one trait: communal societies with multiple queens. In communal groups with a single queen, the roles are clear. But paper wasps may have 5 or more queens in one nest and facial recognition helps these queens negotiate with one another.

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0j6p TIL A World Trade Centre security officer Rick Rescorla anticipated attacks on the towers and implemented evacuation procedures credited with saving many lives. He died during the attacks of September 11, 2001, while leading evacuees from the South Tower.
78avX Today I learned that dandelion roots can be used to make a coffee-like beverage.
EOLd TIL United Airline’s lost nearly $1 Billion dollars in stock because a 6 year old article about their bankruptcy was accidentally shown in the “popular” section of Google News due to low traffic on the internet.
BgyBW TIL that an American teenager wrote almost half of Scottish Wikipedia using a made up accent and an online translator, and nobody noticed for 7 years
Oodpa TIL of Flesh Gordon, a 1974 American science fiction sex comedy film, serving as an erotic spoof of the Flash Gordon serials. The film features production values comparable to the original serial, and frequent use of gratuitous nudity and brief sex scenes.