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Khan Academy provides various free lessons for learners who prepare for the SAT test.

These online lessons explain the basics of histology. In addition to the free video lessons, further (paid) trainings are available.

This online course gives an introduction to Swift, a programming language developed by Apple for iOS and macOS.

This online lecture series gives an introduction to self-driving cars and their technology.

This online video lecture series gives an introduction to Computer Science, Internet technology and the basics of computer hardware (CS105 class at Stanford University). The...

This online course gives an introduction to the Bootstrap framework.

This online course introduces microeconomic concepts and analysis, supply and demand analysis, theories of the firm and individual behavior, competition and monopoly, and...

In this non-technical online course for a broad audience, the former commander of the International Space Station (ISS) teaches the science of space exploration. It includes...

This online lecture introduces students to the modeling, quantification, and analysis of uncertainty.

This course is an introduction to game theory and strategic thinking. Ideas such as dominance, backward induction, commitment, asymmetric information, and signaling are...

Free Portuguese language app with many short tests to learn "on the go". (Not a video course.)

This online lecture series gives an introduction to political theory.

This online course introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

Extensive Mandarin language course, also suitable for beginners. Learn with videos from native speakers with subtitles in English and Mandarin. Easy handling and rewinding of...

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

Diese Online-Vorlesung behandelt die Kunst und Architektur der USA.

This online video lecture series gives an introduction to optoelectronics.

Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

This online video lecture series explores various aspects of international political economy.

In this online course, star photographer Annie Leibovitz teaches key photography skills. The course explores topics such as:The technical side of photography, including the role...