04:18 Life Sciences The physics of human sperm vs. the physics of the sperm whale Lesson duration 04:18 4,372,341 Views
03:15 Physical Science The science of macaroni salad: What's in a molecule? Lesson duration 03:15 318,642 Views
03:57 Physical Science The science of macaroni salad: What's in a mixture? Lesson duration 03:57 637,097 Views
03:36 Technology How does an atom-smashing particle accelerator work? Lesson duration 03:36 685,704 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 1,132,717 Views
03:23 Physical Science Activation energy: Kickstarting chemical reactions Lesson duration 03:23 238,306 Views
18:17 Earth and Space Science On exploring the oceans - Robert Ballard Lesson duration 18:17 114,826 Views