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02:21 Design, Engineering & Technology Supercharged motorcycle design - Yves Behar Lesson duration 02:21 20,320 Views
03:52 Science & Technology All of the energy in the universe is... Lesson duration 03:52 510,255 Views
03:27 Earth and Space Science Could a Saturn moon harbor life? - Carolyn Porco Lesson duration 03:27 25,329 Views
04:31 Civics The fight for the right to vote in the United States Lesson duration 04:31 864,851 Views
