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TIL there was a popular chocolate product from Lebanon called Ras El Abed, meaning "slave's head". It has recently changed its name.

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16XyV TIL that after entering the human body, microplastics will be excreted out through the gastrointestinal tract. The concentration of microplastics in infant feces is ten times higher than that in adults. Microplastics are not only toxic itself but also carriers for many pollutants to enter the body.
EgkQo TIL Southwest Airlines attempted to use the slogan "Just Plane Smart" which was similar to "Plane Smart," already being used by Stevens Aviation Inc. An exec at Stevens offered to settle it with a winner-take-all arm-wrestling competition. The "Malice in Dallas" event happened on March 20, 1992.
4N5R TIL that up to 25% of the population may have trouble distinguishing between right and left, even into adulthood.
yQRnM TIL David A Cox and Steven Zucker published an algorithm called the "Cox-Zucker machine". They collaborated deliberately because of their name combination, with Cox saying thay they decided to write a paper together just weeks after they met.
v1dYK TIL 'Plankton' is not a single species, but is instead an umbrella term used to refer to any lifeform that drifts with the ocean currents, including microorganisms like bacteria and algae, as well as larger creatures like jellyfish.