› added 9 months ago

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TIL that rats laugh when tickled, but the sound is at a frequency humans can’t hear without special equipment. Scientists discovered this in the late ‘90s.

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via reddit.com

rbe4 TIL that whether Marco Polo actually traveled to China is unclear. No Chinese record mentions him. His account of the trip never mentions the Great Wall, Chinese characters, chopsticks, or footbinding.
J84v TIL the only US President to have a PhD is Woodrow Wilson
grO68 TIL Bagpipes were played in countries and cultures far before the famously known Scotland Highlanders, with history placing them in 1000BC Anatolia, as well as in Thrace, Northern Africa and throughout Asia.
wLOE6 TIL that feeding bread to ducks is actually one of the worst things you can feed them. The ducks no longer feel hungry but also receive no nutrients, causing malnutrition.
XvMD TIL that the sweat from a man’s underarm can help women relax, boost their mood and help regulate their menstrual cycle, if applied to her lips.