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This online lecture series reviews linear algebra with applications to probability and statistics and optimization. It covers linear algebra concepts that are key for...

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

This online lecture / workshop discusses how some empirically unconfirmed or inconclusively confirmed theories in physics have nevertheless attained a high degree of trust among...

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...

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

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...

This online lecture series explores the science of the Covid-19 pandemic.

This course explores the causes, course, and consequences of the American Civil War, from the 1840s to 1877.

This course will examine the American Revolution from a broad perspective, tracing the participants' shifting sense of themselves as British subjects, colonial settlers,...

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 explores the history of WWI.

This is an online lecture that introduces students to the complexities of working in small, multidisciplinary teams to develop video games. Students will learn creative design...

This video lecture series provides an introduction to modern cosmology. The first part of the course deals with classical cosmology, and the later part with modern particle...

This online video lecture series explores various advanced aspects of organic chemistry.

This online lecture covers differential, integral and vector calculus for functions of more than one variable. These mathematical tools and methods are used extensively in the...

This online lecture series gives an introduction to galaxies and cosmology. It includes the Milky Way and the Local Group as well as larger-scale structures of the universe.

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

This online course teaches the fundamental concepts of Blockchain and how to implement them in Python. Learners with prior Python experience will be able to build their own...

This online lecture series explores functional analysis, i.e. solving both linear and nonlinear problems posed on a normed space that is no longer finite-dimensional. Topics...

This online lecture series gives an introduction to the concepts behind special relativity, including length contraction, time dilation, the Lorentz transformation, relativistic...