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04:22 Mathematics How a 15-year-old solved a Rubik's Cube in 5.25 seconds Lesson duration 04:22 10,569,893 Views
06:10 Philosophy Are you a body with a mind or a mind with a body? Lesson duration 06:10 3,425,607 Views
05:41 Education Policy Should we get rid of standardized testing? Lesson duration 05:41 1,278,553 Views
04:32 Design, Engineering & Technology Is it possible to create a perfect vacuum? Lesson duration 04:32 1,106,420 Views
05:17 Geometry How many ways are there to prove the Pythagorean theorem? Lesson duration 05:17 3,958,007 Views
