04:51 Philosophy & Religion What did democracy really mean in Athens? Lesson duration 04:51 Manage Library 1,214,649 Views
03:53 Science & Technology Where did Earth’s water come from? Lesson duration 03:53 Manage Library 1,693,051 Views
05:27 Design, Engineering & Technology Can robots be creative? Lesson duration 05:27 Manage Library 487,804 Views
04:31 Medical Conditions Why it’s so hard to cure HIV/AIDS Lesson duration 04:31 Manage Library 2,906,655 Views
03:37 Health How does the thyroid manage your metabolism? Lesson duration 03:37 Manage Library 1,057,360 Views
04:37 Science & Technology The law of conservation of mass Lesson duration 04:37 Manage Library 1,910,970 Views
04:07 Performing Arts Did Shakespeare write his plays? Lesson duration 04:07 Manage Library 998,080 Views
04:10 Mathematics The last banana: A thought experiment in probability Lesson duration 04:10 Manage Library 1,625,263 Views
03:21 Growth & Development What does the pancreas do? Lesson duration 03:21 Manage Library 1,022,936 Views
06:03 History How one piece of legislation divided a nation Lesson duration 06:03 Manage Library 2,902,929 Views
05:22 The Arts Why Shakespeare loved iambic pentameter Lesson duration 05:22 Manage Library 1,703,810 Views
04:51 Design, Engineering & Technology Why do buildings fall in earthquakes? Lesson duration 04:51 Manage Library 1,758,861 Views
05:45 Health The benefits of a good night's sleep Lesson duration 05:45 Manage Library 6,472,416 Views
05:58 Social Studies The great conspiracy against Julius Caesar Lesson duration 05:58 Manage Library 8,713,866 Views
04:46 Geometry The mighty mathematics of the lever Lesson duration 04:46 Manage Library 1,147,039 Views
04:39 Visual Arts The unexpected math behind Van Gogh's "Starry Night" Lesson duration 04:39 Manage Library 9,137,604 Views
05:11 Mathematics Is math discovered or invented? Lesson duration 05:11 Manage Library 3,062,162 Views
05:23 Performing Arts A different way to visualize rhythm Lesson duration 05:23 Manage Library 2,397,506 Views
04:32 Cognition and Learning Why we love repetition in music Lesson duration 04:32 Manage Library 1,066,440 Views
03:48 Health What did dogs teach humans about diabetes? Lesson duration 03:48 Manage Library 365,375 Views