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04:25 Physical Science The genius of Mendeleev’s periodic table Lesson duration 04:25 Manage Library 2,936,459 Views
04:25 Earth and Space Science The Arctic vs. the Antarctic Lesson duration 04:25 Manage Library 4,548,413 Views
04:23 Motivation and Emotion Overcoming obstacles Lesson duration 04:23 Manage Library 1,041,923 Views
04:23 Area Studies The myth behind the Chinese zodiac Lesson duration 04:23 Manage Library 8,507,539 Views
04:23 Science & Technology How pigeons took over the world Lesson duration 04:23 Manage Library 612,509 Views
04:22 Environmental Science Who is Alexander von Humboldt? Lesson duration 04:22 Manage Library 294,120 Views
04:20 Life Sciences The ferocious predatory dinosaurs of Cretaceous Sahara Lesson duration 04:20 Manage Library 1,943,299 Views
04:20 Science & Technology Why is NASA sending a spacecraft to a metal world? Lesson duration 04:20 Manage Library 676,767 Views
04:19 Visual Arts Animation basics: Homemade special effects Lesson duration 04:19 Manage Library 165,803 Views
04:19 Science & Technology Why is biodiversity so important? Lesson duration 04:19 Manage Library 3,860,583 Views
04:18 Social Studies Why is the US Constitution so hard to amend? Lesson duration 04:18 Manage Library 981,829 Views
04:17 Psychology 3 tips to boost your confidence Lesson duration 04:17 Manage Library 9,947,683 Views
04:16 Performing Arts Kabuki: The people's dramatic art Lesson duration 04:16 Manage Library 1,002,034 Views
04:15 Design, Engineering & Technology Making a TED-Ed Lesson: Creative process Lesson duration 04:15 Manage Library 20,382 Views
04:15 Life Sciences Tracking grizzly bears from space Lesson duration 04:15 Manage Library 69,409 Views
04:13 History Why do Americans and Canadians celebrate Labor Day? Lesson duration 04:13 Manage Library 537,116 Views
04:10 Life Sciences Bird migration, a perilous journey Lesson duration 04:10 Manage Library 241,294 Views