People around the world eat with a variety of utensils like forks, chopsticks, and sporks. But what did people do before silverware was invented? We asked human evolution expert Briana Pobiner from the Smithsonian National Museum of Natural History to help us find the answer.
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We’re back! Brains On Universe has a new headquarters
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A big update about Moment of Um and the Brains On Universe
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How do braces work?
06:19