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04:37 Cognition and Learning Why do people get so anxious about math? Lesson duration 04:37 2,962,519 Views
06:58 Design, Engineering & Technology Zach Anner & The Quest for the Rainbow Bagel Lesson duration 06:58 588,845 Views
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04:44 History Does "The Wonderful Wizard of Oz" have a hidden message? Lesson duration 04:44 1,635,605 Views
04:41 Science & Technology How did the deepest part of the ocean get so polluted? Lesson duration 04:41 1,064,870 Views
