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Is the world getting better or worse? A look at the numbers – StevenPinker – TEDTalks : https://youtu.be/yCm9Ng0bbEQ
Is the world getting better or worse? A look at the numbers – StevenPinker – TEDTalks : https://youtu.be/yCm9Ng0bbEQ (Source: https://www.youtube.com/)