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TIL a study conducted by King’s College London shows that babies who are fed food containing peanuts are less likely to develop an allergy to peanuts.

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gBxA TIL the “Law & Order” sound is “technically a piece of music”, so composer Mike Post gets a royalty every time it is played. Post calls the sound “ching ching” because he’s “making money off of it.”
d8Ed TIL Lego blocks have a tolerance as small as 10 micrometers, as they need to fit with every block made for the last 54 years.
5Yd8D TIL that horseshoe crab blood, costing $60,000 per gallon, is unique and is integral in FDA testing. This has led to a massive effort by scientists to try to conserve this invaluable resource.
rNJZy TIL a common answer to "how are you?" in French is "Ça roule ma poule" which translates to "it rolls my chicken"
Mb50 TIL that night vision goggles are green because the human eye can differentiate more shades of green than any other color.