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.

America250 events celebrate the United States' founding, honor contributions of all Americans, and aim to inspire the next generation. America250 events at Iowa State University are …

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.

Discover how inclusive communication can transform healthcare for older LGBTQ adults. This inspiring talk explores ways to foster trust, reduce disparities, and create a system where …

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

Oct 20, 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 …

3 days ago · 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 …

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 …

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.

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