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TIL cocaine increases that chance of having a heart attack within the hour by 2,400%

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R5Nr7 TIL that Lucille Ball convinced Merv Griffin to hire Alex Trebek to host the revival of Jeopardy in 1984 when original host Art Fleming, a friend of Trebek’s, declined to return. Trebek holds the Guinness World Records for most episodes of a game show hosted, hosted the show until his death in 2020.
rw40 TIL wasps have complete voluntary control over the sex of their offspring.
wobYM TIL that one of the main motivations for Texan secession and the resulting siege of the Alamo was the Texans' desire to preserve chattel slavery.
VB6km TIL In 2019 a Japanese University student studying ninja history turned in an essay written in invisible ink. The words only became visible when the paper was heated over a gas stove. Her professor without even revealing the whole essay gave her an A.
OoVvg Researchers from University of California San Diego School of Medicine and Arizona State University found that if a car is parked in the sun on a summer day, the interior temperature can reach 116 degrees F. and the dashboard may exceed 165 degrees F. in approximately one hour — the time it can take for a young child trapped in a car to suffer fatal injuries.