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This online lecture series examines classical and modern developments in graph theory and additive combinatorics, with a focus on topics and themes that connect the two...

This string theory lecture focuses on holographic duality (also known as gauge / gravity duality or AdS / CFT) as a novel method of approaching and connecting a range of diverse...

In this online course, Academy Award–winning filmmaker Spike Lee teaches his approach to directing, writing, and producing. The course includes more than 15 video lessons and...

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

The overall goal of this course is to familiarize the students with the potential, the requirements and the problems of designing dynamic biological elements that are of central...

This online course teaches how to manage data with SQL, including mastering complex commands to manipulate and query data stored in relational databases. It includes topics such...

This online lecture gives an overview of Social Psychology, i.e. the behaviour of people in groups.

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 lecture series gives an introduction to international relations. It includes theoretical foundations (such as realism, liberalism, marxism and constructivism) as...

This short online course explains the cosmic origin of the elements: The lighter elements were mostly produced in the Big Bang, and the rest were formed within stars and...

Comprehensive language course in Greek. 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, Dan Brown teaches writing thrillers. The course includes more than 15 video lessons and various supplemental materials.

This online video lecture series gives an introduction to cultural psychology.

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

This online course has lectures which cover commercial and emerging photovoltaic technologies and cross-cutting themes, including conversion efficiencies, loss mechanisms,...

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

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

In this online course, former U.S. President George W. Bush teaches leadership. The course includes more than 10 video lessons and various supplemental materials.

In this online course, Oscar winner Martin Scorsese teaches filmmaking. The course includes more than 20 video lessons and various supplemental materials.

This online course teaches how to build web apps with one of the most portable and in-demand programming languages available.