› added 5 months ago

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TIL that early forensics utilized a now debunked form of pseudoscience called Optography, which was also used in the Jack the Ripper case

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via reddit.com

0X0R TIL A few weeks before the Kennedy assassination, Lee Harvey Oswald was photographed and followed in Mexico City. He’s quoted as saying that he plans on killing Kennedy. This information was passed along to the FBI by the head of the American Communist party.
P1ARE TIL the serjeant at arms of the house of commons in the United Kingdom since 2008 has been a woman, an arab man, then a black man.
PYv8Z TIL the most dangerous frequency is at the median alpha-rhythm frequencies of the brain, 7 hz. At high volumes, infrasound can directly affect the human central nervous system causing disorientation, anxiety, panic, bowel spasms, nausea, vomiting, and eventually organ rupture.
Z8W7R TIL a 2014 study found out that out of 24 late-model pickup trucks studied only two, the 2014 Ram 3500 and Ford F-450, both with dual rear wheels, were able to have their beds filled with water without overloading.
eYB4 TIL that a cowlick is called a cowlick because cows lick their young and cause spiral patterns in their coat.