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TIL that blond hair in humans developed only 11,000 years ago as an evolutionary response to the lack of sunlight in Northern Europe to enable more Vitamin D synthesis.

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VMdRp TIL a Cornell University study found that social media "Likes" are less likely to affect the self-esteem of people with a sense of purpose (defined as ongoing motivation that is self-directed, oriented toward the future and beneficial to others).
EN4p TIL 40% of patients subject to medical malpractice reported that if they had received an explanation and apology, they would not have felt the need to file suit
9wOZM TIL that itally has its own distinctive variety of rice
R7K48 TIL that the Vietnamese unit of currency is the 'Dong.'
x6oyw TIL it took around 3 billion years for the very first single-celled organisms to eventually evolve into basic animal life forms. For comparison, dinosaurs were around for about 165 million years, modern humans have been around for 300,000 years.