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TIL that methamphetamine improves snails’ long-term memories and also prevents them from forgetting already learned ones.

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b9wO4 TIL there are actually no wild alpacas. Instead, the alpaca is the domesticated version of the vicuña, which are also related to llamas.
b6oE7 TIL that due to Iceland's location on the Mid-Atlantic Ridge between the North American and Eurasian Tectonic plates, the country it is technically part of both North America and Europe, and is the only place where you can walk between them.
AD8bw TIL that the average individual in 1700 consumed 4 pounds of sugar annually. By 2009, 50% of Americans were consuming at least 180 pounds of sugar annually.
69RXX TIL in the 1982 film Halloween III: Season of the Witch, the song “London Bridges” was chosen as the melody for the Silver Shamrock jingle simply because it was available in the public domain, and therefore saving the filmmaker’s the cost of licensing a song or hiring someone to write a jingle.
p8XXG TIL the Statue of Liberty's eleven-pointed star pedestal is the remains of Fort Wood, originally one link in a chain of defenses protecting New York City and its vital harbor.