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04:19 Science & Technology Why is biodiversity so important? Lesson duration 04:19 Manage Library 4,109,217 Views
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03:39 Science & Technology The science of static electricity Lesson duration 03:39 Manage Library 3,043,944 Views
04:57 Design, Engineering & Technology Camera or eye: Which sees better? Lesson duration 04:57 Manage Library 1,604,453 Views
04:03 Science & Technology The effects of underwater pressure on the body Lesson duration 04:03 Manage Library 624,361 Views
04:30 Science & Technology How do geckos defy gravity? Lesson duration 04:30 Manage Library 1,567,276 Views
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03:53 Science & Technology Where did Earth’s water come from? Lesson duration 03:53 Manage Library 1,736,741 Views
05:27 Design, Engineering & Technology Can robots be creative? Lesson duration 05:27 Manage Library 495,411 Views
04:31 Medical Conditions Why it’s so hard to cure HIV/AIDS Lesson duration 04:31 Manage Library 2,947,692 Views
04:42 Macroeconomics The real story behind Archimedes’ Eureka! Lesson duration 04:42 Manage Library 4,242,517 Views
05:45 Science & Technology Learning from smallpox: How to eradicate a disease Lesson duration 05:45 Manage Library 478,150 Views
05:14 Health How brain parasites change their host's behavior Lesson duration 05:14 Manage Library 4,675,675 Views
03:37 Health How does the thyroid manage your metabolism? Lesson duration 03:37 Manage Library 1,084,356 Views
04:37 Science & Technology The law of conservation of mass Lesson duration 04:37 Manage Library 2,055,392 Views
03:21 Growth & Development What does the pancreas do? Lesson duration 03:21 Manage Library 1,095,014 Views
05:42 Science & Technology How we think complex cells evolved Lesson duration 05:42 Manage Library 864,547 Views
05:44 Design, Engineering & Technology The sonic boom problem Lesson duration 05:44 Manage Library 5,017,692 Views
05:07 Growth & Development Why are some people left-handed? Lesson duration 05:07 Manage Library 10,382,620 Views
04:28 Biological Bases of Behavior How do dogs "see" with their noses? Lesson duration 04:28 Manage Library 2,267,149 Views
