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05:11 Literature How to write the perfect crime, according to Agatha Christie Lesson duration 05:11 Manage Library 689,457 Views
04:57 Literature How Phillis Wheatley captured the attention of the world Lesson duration 04:57 Manage Library 182,337 Views
05:06 Social Studies The rise and fall of the medieval Islamic Empire Lesson duration 05:06 Manage Library 1,448,812 Views
05:25 The Arts Can you guess what's wrong with these paintings? Lesson duration 05:25 Manage Library 715,598 Views
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05:24 Social Studies The 4 greatest threats to the survival of humanity Lesson duration 05:24 Manage Library 487,263 Views
05:01 Health What causes yeast infections, and how do you get rid of them? Lesson duration 05:01 Manage Library 899,028 Views
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05:55 Science & Technology Meet the microbes that could eat your trash Lesson duration 05:55 Manage Library 438,909 Views
04:02 Business & Economics What’s the best country to live in? Lesson duration 04:02 Manage Library 654,137 Views
05:12 Health What happens to your body at the top of Mount Everest Lesson duration 05:12 Manage Library 1,333,451 Views
05:04 Earth and Space Science Why can parrots talk? Lesson duration 05:04 Manage Library 1,224,042 Views
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05:12 Science & Technology These animals are also plants … wait, what? Lesson duration 05:12 Manage Library 1,430,448 Views
05:05 Science & Technology What is the rarest color in nature? Lesson duration 05:05 Manage Library 1,142,696 Views
04:20 Philosophy Ethical dilemma: Would you lie? Lesson duration 04:20 Manage Library 1,113,523 Views
05:23 Mathematics Can you solve the fortress riddle? Lesson duration 05:23 Manage Library 1,233,676 Views
05:09 Science & Technology How does heart transplant surgery work? Lesson duration 05:09 Manage Library 3,267,470 Views