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TIL that ants have two stomachs: a personal stomach and a group stomach, or crop. When an ant with a full crop meets a hungry nestmate, it will throw up a drop of food and pass it to the other ant, mouth to mouth. The polite word for this is trophallaxis.

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ymJv TIL 19 Ph.D’s were given an incorrect formula for determining the volume of a sphere and asked to verify it by filling the sphere with water and measuring the volume of the water, all but one clung to the incorrect formula despite empirical observations.
Y7XjP TIL Romans used cannabis and opium, and mixed opium with flowers or resin to make it weaker. Ancient physicians understood the addictive nature of these drugs and knew that opium overdose would lead to death.
yVdNl TIL about Nicaraguan Sign Language. A form of sign language which developed spontaneously among deaf school children in Nicaragua in the 1980's. It is not based on any other existing language and is considered by linguists to be an entirely new language.
GYX85 TIL Gary Hart, a politician running for president in 1988, invited the media to follow him around after he was alleged to be a womanizer. He was quoted as saying, “Follow me around. I don't care. I'm serious.” Members of the media complied and he was caught having an affair 2 weeks later.
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