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TIL that according to the Cleveland Clinic if you want to remember the correct rate of compressions while performing CPR on an unconscious person, you can follow the beats of songs such as Bee Gees' "Stayin' Alive" or "Hips Don't Lie" by Shakira - i.e. 100 to 120 times per minute.

Read more my.clevelandclinic.org

via reddit.com

5NGr Til that Ronald Reagan removed the regulation against product placement in children’s shows, helping create the 80’s cartoon boom with shows like Gi Joe, My little Pony, and Transformers.
W7N19 TIL that since 1953, a Italian regional bank called Credito Emiliano has accepted giant wheels of Parmigiano-Reggiano cheese as collateral for small-business loans. Besides holding the cheese as insurance, the bank stores and ages the wheels in climate-controlled vaults for the duration of the loan.
7rOxO TIL In 1970, psychologist Timothy Leary was sentenced to 20 years in prison. On arrival, he was given a psychological evaluation (that he had designed himself) and answered the questions in a way that made him seem like a low risk. He was assigned to a lower-security prison from which he escaped.
E1AZW TIL that Sexual jealousy evolved to motivate 'mate guarding' for both sexes, according to evolutionary psychology. Males are motivated to ensure offspring is theirs and females to secure paternal care.
d89ZQ TIL that even though only 10% of the mass of a galaxy cluster is due to conventional matter, only 1% is due to stars and galaxies themselves. The majority of the visible matter in a cluster is a sparse plasma.