› added 10 years ago

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TIL that six soviet cosmonauts, while working in space on the MIR station, reported to mission control all six of them were seeing aliens with human faces and large wings. Pravda confirmed the report and said that it was a group hallucination.

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w77M TIL identical twin boys were raised as a brother-sister pair (botched circumcision). The truth came when the one being raised as a girl INSISTED he was a boy; the parents admitted he was the subject of an experiment trying to prove gender identity was nurture, not nature. He later committed suicide.
GANR4 TIL About the Aqaba to Med. Sea Ben Gurion Canal Project Being Considered, A Global Trade Game Changer. Years Long
OWBe TIL of WW1 Casualty/Mercy dogs. Dogs trained to find wounded or dying soldiers on the battlefield that also carried medical supplies so an injured soldier could try to treat himself (whilst more gravely wounded soldiers would seek the company of a Mercy dog to wait with them whilst they died).
4XEv5 TIL that chimpanzees understand vengeance. Two zookeepers played contrasting roles: one regularly fed the chimpanzees and the other took their food away. When a third person pretended to beat each zookeeper, many chimpanzees made an effort to watch the "disliked" zookeeper being punished.
694nQ TIL about K and R selected species. K-selected species are often larger, have longer lifespans, produce few young at a time, and exhibit logistic growth. R-selected species are generally smaller, have shorter lifespans, and produce many young, and exhibit exponential growth.