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TIL that US pedestrian fatalities are up, mostly because SUVs are twice as likely to kill and an increasing no. of US vehicles are SUVs.

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5wkp TIL that water in Lake Erie replaces itself in 2.6 years while the water in Lake Superior takes 191 years to do the same.
V9Ym TIL the first modern attempt at restricting smoking was imposed by the then German government in every university, post office, military hospital, and Nazi Party office, under the auspices of Karl Astel’s Institute for Tobacco Hazards Research, created in 1941 under orders from Adolf Hitler.
1a4ad TIL pistol shrimp have a specialized claw that shuts to create a cavitation bubble that can kill small fish and these bubbles can reach temperatures over 8,000k which is hotter than the surface of the sun.
p8pnG TIL 70% of U.S. adults who are at least 20 years old are overweight or obese.
RXnj TIL 10% of those conscripted in the UK in WWII were sent to serve not on the battlefield, but in the coal mines that powered the war machine. Some of these soldiers were not released from service until two years after the war ended. They were not formally recognized for their contribution until 1995