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This online course gives an introduction to SQL, the structured query language that is an important tool for business analysts, data analysts and data scientists.

This online lecture is a first-year college course on the principles of chemistry.

In this online course, Beatles drummer Ringo Starr shares his principles for creative collaboration, finding your unique playing style, and embracing your musical journey with joy.

This online lecture series explores efforts by linguists and educators to make their research more inclusive, accessible and hospitable.

In this online course, former FBI agent John Douglas teaches how criminal profiling methods can help to predict people’s motives. The course includes more than 10 video lessons...

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

This online course teaches how to build interactive websites by learning the fundamentals of HTML, CSS, and JavaScript.

This online lecture series gives an introduction to psychology. It explores human nature, including how the mind works, and how the brain supports the mind. Topics covered in...

This online lecture introduces the core theory of modern financial economics and financial management, with a focus on capital markets and investments.

This online lecture series covers the basic principles of Einstein's general theory of relativity, differential geometry, experimental tests of general relativity, black holes,...

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

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

Comprehensive language course in Hindi. 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 video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

Comprehensive language course in Korean. 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 course gives a free introduction to digital currencies such as Bitcoin. It is also the first course of an online master's program in digital currencies from the...

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...

This online lecture is an introduction to the theory that tries to explain how minds are made from collections of simpler processes.

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

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