VideoLectures.NET is the world’s biggest academic online video repository with 24,792 video lectures delivered by 10,763 presenters since 2001. The vast majority of the content is about computer science, specifically about data mining, semantic web, machine learning, and complex systems coming from conferences around the world.
TED-Ed and Periodic Videos
A lesson about every single element on the periodic table. Created by the Periodic Videos team using the TED-Ed platform.