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TIL the reason we evolved to make blood inside our bones is because it's the place in our body that's safest from UV radiation.

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mnox TIL that Koala’s have the lowest brain to body mass of any mammal which means they are not very intelligent, for example, they can on eat Eucalypitus on branches but if you place the leaves on a plate, they would not be smart enough to know it is food and eat it.
gMxBW TIL that it is much more healthier to drink from copper bottle than usual glass/plastic bottle as it provides minerals essential for human. Also, in the ancient time people used to drink from such bottles.
WkVjo TIL of Percy Julian, a doctor living under Jim Crow, who was a pioneer in the drug industry and laid the groundwork for the development of the modern steroid. He was also the first African-American chemist ever inducted into the National Academy of Sciences.
nwRr TIL Nike’s slogan ‘Just do it’ was inspired by Gary Gilmore’s last words before he was excecuted for double homicide
DmNe TIL of María Santos Gorrostieta Salazar, the mayor of Tiquicheo Mexico, survived three assassination attempts and despite her wounds refused to resign. In 2011 her term as mayor ended and her police protection was withdrawn. In November 2012 she was abducted, stabbed and brutally beaten to death.