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

This online lecture discusses various aspects around internet security. After a brief introduction to the structure of the internet, problems such as hackers and viruses, the...

This online lecture uses the theory and application of atomistic computer simulations to model, understand, and predict the properties of real materials.

This survey course introduces students to the important and basic material on human fertility, population growth, the demographic transition and population policy.

In this online course, Oscar nominee Samuel L. Jackson teaches acting. The course includes more than 20 video lessons and various supplemental materials.

This course consists of an international analysis of the impact of epidemic diseases on western society and culture from the bubonic plague to HIV/AIDS and the recent experience...

This online lecture provides an introduction to mathematical modeling of computational problems.

This online lecture is an introduction to several fundamental ideas in electrical engineering and computer science, using digital communication systems as the vehicle.

This series of lectures gives an introduction to the mechanics of spaceflight.

This online lecture is designed to serve as a first course in an undergraduate electrical engineering (EE), or electrical engineering and computer science (EECS) curriculum.

In this online course, Oscar winner Helen Mirren teaches acting. The course includes more than 20 video lessons and various supplemental materials.

This online lecture focuses on the algorithms for analyzing and designing geometric foldings.

Comprehensive language course in French. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

This online lecture covers the experimental basis of quantum physics. It introduces wave mechanics, Schrödinger's equation in a single dimension, and Schrödinger's equation in...

Comprehensive language course in German. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

Khan Academy provides various free introductory chemistry video lessons. Topics include atoms and compounds, chemical reactions, the periodic table, chemical bonds,...

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

Khan Academy provides various free introductory biology video lessons. Topics include acids and bases, properties of carbon, macromolecules, energy / metabolism, enzymes, cell...

This collection of YouTube playlists provides an introduction to car technology for beginners. It includes several video lists on topics such as car engines, engine components,...

The online lecture serves as an introduction to the theory and practice behind many of today's communications systems.