› added 12 years ago

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TIL that Aztecs were making the sharpest blades known to science 2,500 years ago out of obsidian, and, as of relatively recently, the technology is starting to catch on again.

Read more ncbi.nlm.nih.gov

via reddit.com

69gGJ TIL 10-15% of people surveyed had sexual contact with a sibling, 75% was deemed not exploitative. As published in Archives of Sexual Behavior.
Q9E TIL that it’s evolutionary for guys to sleep after orgasm so they avoid post-coital bonding and don’t get attached to their partner.
D15pP TIL that Iron Man (2008) had no script. “They had no script, man. They had an outline.” Jeff Bridges described the improvised production of the first MCU film as being “saved by the improv prowess of the film’s director (Jon Favreau) and star. (Robert Downey Jr.)”
9YpJG TIL that after gay Vietnam War veteran Leonard Matlovich died, his epitaph said this: ''When I was in the military they gave me a medal for killing two men, and a discharge for loving one.''
e04kL TIL a pilot drunkenly stole and landed planes on the streets of Manhattan twice in the 1950s. The first was to prove how quickly he could get to NYC from NJ. The second was because a bar patron didn't believe his first story.