› added 4 years ago

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TIL a study of Europeans vs Sherpas during an Everest climb found Sherpa blood had less oxygen but used it more efficiently by burning less fat & more glucose (the opposite of Europeans). Plus Sherpas have thinner blood which put less strain on the heart, & more capillaries to deliver oxygen better.

Read more bbc.com

via reddit.com

mJeM TIL in roughly 800 AD, a nobleman was ordered to trial by combat against the faithful dog of a man he was suspected of murdering. The dog won. (more details inside, this really is a must read)
LrwZ TIL that in 2012, porn stars Sara Jay and Angelina Castro offered their Twitter followers who were also Miami Heat fans blow jobs if the team won the NBA title, and were true to their words.
BgaAr TIL Humans and T-Rex are closer in history, than T-Rex and Stegosaurus
b9MP9 TIL, that between 1937 and 1938 111,091 ethnic Poles living in USSR were executed as spies. To speed up the process local telephone books were used to find Polish sounding names. Another 28,744 were sent to Gulags.
9LMG TIL: The Zika virus is the first insect-borne disease that has been shown to pass from human to human by sexual contact. Zika is normally transmitted by mosquitoes. It has symptoms similar to dengue fever.