› added 4 years ago

103

TIL that caffeine, THC, nicotine, capsaicin (hot peppers,) theobromine (tea,) are natural insecticides. Yet humans find them delicious.

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adZ9 TIL There is a Phenomenon where people believe street lights react to their presence which is known as “Street light interference phenomenon”
WOX9 TIL The SR-71 was made of titanium purchased from the Soviet Union through third world countries as they were the only supplier large enough. The SR-71 was used to spy on the Soviet Union for the rest of the cold war.
epgR5 TIL For 1 day in February 2018, China's internet censors banned the letter 'N'
NGd8 TIL a baby was born in 2005 with a conjoined head that had no body. The head could blink and smile.
0wpLy TIL that every tourist to the Kingdom of Bhutan must pay a daily fee of USD$250. This tax is to discourage large tour groups of "low-quality high impact tourists" that may damage Bhutan's fragile and unspoiled environment.