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.

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

Join this lecture on reviving MLK’s vision of the beloved community—where inclusion, cultural goodwill, and nonviolence expand democracy beyond voting. Discover how these values can bridge today’s …

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, …

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

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.

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. …