› added 1 year ago

40

TIL Charcoal toothpaste whitens your teeth by sanding off your outer enamel

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Pj7E TIL Listerine coined the term ‘halitosis’ in order to boost the sales of their mouthwash by telling people that they had a health condition. This has historically been one of medicalization’s most successful stories.
groa7 TIL Human brain was bigger 3000 years ago
8eEaa TIL that in 2017, the Voyager 1 spacecraft successfully fired its backup thrusters for the first time in 37 years
d8ZyB TIL because of a treaty in 1920, there are no alcohol taxes in Svalbard. However alcohol is also rationed there, with residents only allowed 24 cans of beer or 2 litres of hard liquor per month. Locals must present an alcohol card at purchase, while tourists use their boarding pass.
40na TIL: From having lived and worked in China, President Herbert Hoover and his wife were fluent in Mandarin Chinese, and would frequently have conversations in the language to prevent their staff from eavesdropping.