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Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

This online course provides a basic introduction to metric spaces. It covers metrics, open and closed sets, continuous functions (in the topological sense), function spaces,...

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

This is a continuation of Freshman Organic Chemistry I, the introductory video lecture on current theories of structure and mechanism in organic chemistry for students with...

This online lecture explores Science Fiction as a genre.

This online video lecture series gives an introduction to the way computers are build and designed.

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

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

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

This course provides an overview of major works of social thought from the beginning of the modern era through the 1920s.Writers include Hobbes, Locke, Rousseau, Montesquieu,...

This online course gives an introduction to the C programming language. C is one of the foundational languages of computer science, for example used in operating systems. The...

This course teaches the fundamentals of the Java programming language.It includes various interactive lessons and practical coding projects. (Also check out this overview of...

This online lecture gives an overview of statistical methods in language technology, focussing mostly on written language (texts).

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

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

This online lecture covers the fundamentals of signal and system analysis, focusing on representations of discrete-time and continuous-time signals (singularity functions,...

This online course teaches intermediate techniques to transform table data in SQL.

In this online course, through scientific presentations, critical reflection and discussion, students learn current state-of-the art topics in the field of Ubiquitous Computing.

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

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