Последние добавленные видео:
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7 years ago
54537477 7 years ago 3:05The Periodic Table Song (2018 Update!) | SCIENCE SONGS
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Streamed 3 days ago
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2 years ago
738764 2 years ago 24:09Periodic Table
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1 year ago
714250 1 year ago 4:45Are There An Infinite Number Of Elements?
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6 years ago
542139 6 years ago 5:19All The Elements Pronounced in Order (American English)