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.

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

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.

Lectures are used to convey critical information, history, background, theories, and equations. A politician's speech, a minister's sermon, or even a business person's sales presentation may be …

Oct 20, 2025 · OpenCourseWare, an open publication of course materials from across the MIT curriculum, allows users to browse content at their own pace. Learners can watch video lectures, …

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.

Nov 20, 2025 · 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 …

The meaning of LECTURE is a discourse given before an audience or class especially for instruction. How to use lecture in a sentence.

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

Our directory lists 800+ online lectures from colleges and universities in 22 subject areas. You don’t have to be enrolled to study online – and it’s free!