Join us today for Chapter 1 of a free, live, online series introducing the fundamentals of artificial intelligence (AI). This series is designed for anyone interested in better understanding how AI works and the ideas that make it possible. No prior programming or computer science experience required!

https://youtube.com/live/3q4KDSmwlA8

Join us today for Chapters 2 and 3 of Introduction to Artificial Intelligence with Brian Yu. Learn how AI can make predictions and analyze data for you.

https://youtube.com/live/gikcyLZbhrs | https://youtube.com/live/CVPosMWdx-0

Join us today for Chapters 4 and 5 of Introduction to Artificial Intelligence with Brian Yu. Learn how AI can sense objects and communicate with us humans. 

https://youtube.com/live/ttolMw1LLZE | https://youtube.com/live/G_ZBZ8e_KR8

Join us today for Chapter 6 of Introduction to Artificial Intelligence with Brian Yu. Learn how AI can generate text, images, video, and more.

https://www.youtube.com/live/H4JgA0yCUCQ

Join us today for the final Chapter 7 of Introduction to Artificial Intelligence with Brian Yu. Learn how AI can even move cars!

https://youtube.com/live/HWgtlQ9WYsA

Is learning to code still important? CS50’s own Colton Ogden weighs in.

CS50’s own Carter Zenke weighs in on staying motivated when technology is moving faster than we can keep up.

Ever wondered what P and NP problems are? CS50’s own Brian Yu is here to explain.

Find out why it’s good to learn coding as though AI didn’t exist from CS50’s own Colton Ogden.

Looking to deepen your knowledge of computer science by reading books? CS50’s own Brian Yu gives his recs.

What lets C, Rust, and other languages achieve higher speeds than Python? CS50’s own Brian Yu explains. 

How do you escape tutorial hell? CS50’s own Carter Zenke bets it’s easier than it seems.

Learn why it’s worth investing in your own skills from CS50’s own Carter Zenke.

¡Hola, mundo! Estamos lanzando CS50x doblado al español. Las 12 clases, con temas que van desde Scratch hasta Estructuras de Datos, ya están disponibles totalmente dobladas al español. ¡Feliz aprendizaje!

cs50.ly/es, made possible with lingopal.ai.

Olá, mundo! Estamos empolgados em lançar o CS50x, dublado em português. Aprenda os fundamentos da ciência da computação, desde a programação em diferentes linguagens até a compreensão da inteligência artificial, e muito mais. 

cs50.ly/pt, made possible with lingopal.ai.

Join us on Friday, August 21, 2026 for Chapter 1 of a free, live, online lecture series (with Tom Crawford of Tom Rocks Maths!) that teaches all the math you need to know for introductory computer science. No prior programming or computer science experience required.

https://youtube.com/live/FtG7TWHf_ag

Join us today for Chapter 1 of a free, live, online lecture series introducing math for computer science with Tom Crawford of Tom Rocks Maths. 

Math for Introductory Computer Science aka Math50 with Tom Crawford is designed for anyone interested in useful math topics for an introductory computer science course. No prior programming or computer science experience required! 

https://youtube.com/live/FtG7TWHf_ag

Join us today for Chapters 2 and 3 of Math for Introductory Computer Science aka Math50 with Tom Crawford of Tom Rocks Maths.

Learn how a set is just a collection of objects, how objects move between sets, and how logical operators can be used to solve an Einstein Puzzle.

https://youtube.com/live/nKGIQx6OyvA | https://youtube.com/live/qTiv9dG04E0

Join us today for Chapter 4 of Math for Introductory Computer Science aka Math50 with Tom Crawford of Tom Rocks Maths.

Learn the math behind catching Pokémon. 

https://youtube.com/live/RSzH9A35Di8

Join us today for Chapter 5 of Math for Introductory Computer Science aka Math50 with Tom Crawford of Tom Rocks Maths.

Learn to use numbers on a graph to find buried treasure.

https://youtube.com/live/JVNYEAy_VC0

Join us today for Chapter 6 of Math for Introductory Computer Science aka Math50 with Tom Crawford of Tom Rocks Maths.

Learn how Fermi Estimation helps us determine the number of barrels Donkey Kong has thrown.

https://youtube.com/live/4MWK13PWgWY