TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. Ideas free to stream and download.

The Great Courses (now called Wondrium) have added over 100 free lectures from their latest courses to their official YouTube channel. We've collected them here in this playlist.

Stream over 18,000 lectures in history, science, philosophy, religion, literature, health, travel, and more. Learn from the world’s greatest professors and experts.

Free online lectures. Explore, create, and track lectures from the world's top universities.

Sep 22, 2025 · He met the challenge by engaging with the content in different ways: first, by simply listening to lectures, then by taking detailed notes, and finally by working though …

Princeton Public Lectures offers both in-person and virtual participation to ensure that events are accessible to all who would like to attend. Please note, all events are free and open to the public.

Discover how birding became Ed Yong’s path to healing and wonder. In this talk, he explores nature’s power to restore, revealing how paying attention to birds can reconnect us to joy, …

Columbia University Professor of Cardiology and Medical Director for Artificial Intelligence. Astrophysicist, Folklorist, and Science Communicator. Anthropologist, Scientist, and Podcast …

Our virtual lectures make learning possible when travel is not. No matter the program you choose, you’ll discover fascinating topics like art history, world cultures, archaeology, geology and more.

Each course includes a full set of class lectures produced in high-quality video accompanied by such other course materials as syllabi, suggested readings, exams, and problem sets.