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  1. TED: Ideas change everything

    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.

  2. Free Lectures Online

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

  3. The Great Courses - YouTube

    Welcome to The Great Courses Plus on YouTube. The Great Courses Plus is the streaming home of over 18,000 lectures from the world’s greatest professors and e...

  4. Public Lectures | Princeton University Public Lectures

    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 …

  5. Welcome | Open Yale Courses

    All lectures were recorded in the Yale College classroom and are available in video, audio, and text transcript formats Registration is not required No course credit, degree, or certificate is …

  6. Lectures on Tap Live

    Tech Journalist and Senior Correspondent at the BBC.

  7. Free Online Courses from MIT OCW | Open Learning

    MIT OpenCourseWare (OCW) is a free, publicly accessible, openly-licensed digital collection of high-quality teaching and learning materials, presented in an easily accessible format. Browse …

  8. Lecture - Wikipedia

    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 …

  9. LECTURE Definition & Meaning - Merriam-Webster

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

  10. Lectures in History | Series - C-SPAN.org

    Sep 13, 2025 · Join students in college classrooms to hear lectures on topics ranging from the American Revolution to 9-11.