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TIL Human saliva contains a chemical compound called Opiorphin, a painkiller six times more powerful than Morphine.

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xVkE5 TIL the famous Windows XP background is a photo called "Bliss". The photo is completely unedited and is a real place in California.
E5jV TIL of Eagle Stadium, a $60 million high school football stadium in Allen TX. The project was highly controversial, considering that the money could have paid 120 teacher salaries for a decade.
E1777 TIL that 40% of type 2 diabetes is not related to weight or diet.
Bry5d TIL Highly trained singers, such as opera stars, are unable to match the precision of even the most basic of musical instruments. Researchers suggest this is due to the more recent evolutionary development of the larynx muscles.
omQA TIL that the Lincoln Town car is the last US luxury car to still use body-on-frame construction, as opposed to a unibody frame, which allows it to be easily lengthened, explaining the car’s full domination of the limousine market