03:48 Physical Science The strengths and weaknesses of acids and bases Lesson duration 03:48 1,050,376 Views
17:25 Performing Arts The El Sistema music revolution - Jose Antonio Abreu Lesson duration 17:25 29,879 Views
04:08 Performing Arts The science of stage fright (and how to overcome it) Lesson duration 04:08 1,640,476 Views
04:00 Earth and Space Science Why extremophiles bode well for life beyond Earth Lesson duration 04:00 141,128 Views
03:57 Literature & Language Speech acts: Constative and performative Lesson duration 03:57 211,987 Views
04:33 History The most groundbreaking scientist you've never heard of Lesson duration 04:33 3,019,565 Views
05:21 Linguistics Are Elvish, Klingon, Dothraki and Na’vi real languages? Lesson duration 05:21 2,920,473 Views
04:18 Life Sciences The physics of human sperm vs. the physics of the sperm whale Lesson duration 04:18 4,373,101 Views