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

This course teaches how to build web apps with Ruby on Rails 4, giving learners the skills to use Ruby on Rails to create their own apps.

In this online course, Herbie Hancock teaches how to improvise and compose Jazz. The course includes more than 20 video lessons and various supplemental materials.

This online lecture series presents real-world examples in which quantitative methods provide a significant competitive edge for companies. The lectures present the key...

This online course gives an introduction to jQuery (a JavaScript library).

This online course program gives an introduction to AWS cloud services.

This online video lecture series explores various topics of human-computer interaction.

This online video lecture series gives an introduction to Natural Language Understanding as a sub-problem of artificial intelligence.

In this online course, popular astrophysicist and scientist Neil deGrasse Tyson teaches scientific thinking and communication.

In this online course, bestseller author James Patterson teaches the art of the book writing process. The course includes more than 20 video lessons and various supplemental...

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

In this online course, Christina Aguilera teaches the art of singing and various vocal techniques. The course includes more than 20 video lessons and various supplemental...

This online lecture gives an overview of scepticism in the context of Jewish philosophy.

This online lecture gives an overview of hardware-software co-design, including structural concepts, architectures and design methods.

This online course program gives an introduction to designing and building interactive web apps. It includes several modules, ranging from HTML, CSS and JavaScript to advanced...

This online lecture series gives an introduction to quantum mechanics for use by chemists. Topics include particles and waves, wave mechanics, semi-classical quantum mechanics,...

These short online courses provided by Skillshare cover various topics around freelancing, including social media businesses, marketing, sales, business fundamentals, and...

This online lecture gives an introduction to machine learning for physicists. [Note: Lectures 1 and 2 are not in the right order on the course overview page.]

This online lecture gives an introduction to basic aspects of physics (mechanics, electricity etc.).

This online course gives an introduction to linguistics (the nature of human language).