TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ …

The Great Courses have added over 30 free lectures from their latest courses to their official YouTube channel. We've collected …

Lectures are used to convey critical information, history, background, theories, and equations. A politician's speech, a minister's …

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

4 days ago · The meaning of LECTURE is a discourse given before an audience or class especially for instruction.

Jun 29, 2026 · Stories from the OpenCourseWare community reflect the profound impact of sharing knowledge and the …

Host of "Radiolab" Jad Abumrad tells how his search for an answer led him home to the mountains of Tennessee, where he met an …