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TIL about a study where monkeys were shown to be willing to pay (sacrificing food) for risque photos of other monkeys

Read more sciencedirect.com

via reddit.com

OJ07 TIL that fact, theory, hypothesis, and proof are all distinct scientific concepts and that a theory cannot, under any circumstances, be “upgraded” into a law.
QNWaE TIL although Leonard Cohen’s song “Hallelujah” has nothing to do with Christmas or winter, it has gradually been added to the Christmas Music repertoire because Britain’s Got Talent singer Susan Boyle decided to include it on her Christmas album in 2010
OGoY7 TIL The person who voiced the iconic whispered line of, "If you Build It, He Will Come", in the 1989 film, "Field of Dreams", has never been confirmed.
rlAw TIL That the FBI responded to MLK’s “I Have a Dream” speech by labeling him a major enemy of the US, while the Norwegian Nobel Committee responded by granting him the 1964 Nobel Peace Prize.
l7JZ5 TIL: "Silhouette" is derived from the French finance minister, Étienne de Silhouette. de Silhouette's strict economies made his name synonymous with anything done/made cheaply. Before photography, silhouette profiles cut from black card were the cheapest way of recording a person's appearance.