› added 6 years ago

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TIL that women's tears contain chemicals that decrease sexual arousal and lower testosterone levels in men.

Read more nature.com

via reddit.com

4kRpg TIL the red liquid that seeps out of steaks isn't blood, it's myoglobin, a muscle protein
4kVNw TIL when Hall of Fame pitcher Mariano Rivera retired from MLB in 2013, Hard Rock Cafe "retired" Metallica's "Enter Sandman," Rivera's entrance music at Yankee Stadium, from their playlists at all of their locations worldwide, except at their Yankee Stadium location.
6Evb7 TIL that since the release of Uber in 2011, DUI related carwrecks have gone down by 25-35%.
ADXra TIL: China's Cultural Revolution 1966-1976 where 1.5million were killed and millions more improsined, tortured and had their property seized.
MnKK TIL that in the 18th century John Harrison claimed that he could build a clock to keep time to within a second over 100 days; it triggered widespread ridicule at his time. The clock had been built to his exact specifications in 2015; it was declared the “most accurate mechanical clock”