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 h...

2025年8月12日 · Free courses with interactive content from MIT OpenCourseWare and MITx. OCW offers course content and materials related to a wide range of collections. Below are some topics available for you to explore: Learn more about how you can help MIT OpenCourseWare share knowledge with the world.

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

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.

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 similar in form to a lecture.

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

In this lecture, Dr. Emily Bender and Dr. Alex Hanna expose AI hype as corporate-driven distortion, fueling false fears and creativity’s decline. They offer critical tools to decode these …

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 public.

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