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Mark Rober: How An Ex-NASA Engineer Became YouTube's Coolest Science Teacher—And Is Saving The Ocean
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Mark Rober: Bio, Wiki, Career, NASA, Net Worth, Wife, Children.. Everything About Popular Science YouTuber - Nairobi Wire
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Mark Rober: How An Ex-NASA Engineer Became YouTube's Coolest Science Teacher—And Is Saving The Ocean
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Discovery Teams Up with Mark Rober and Jimmy Kimmel in All-New Series | Latest Science News and Articles | Discovery
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