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

This is an online lecture about the design and implementation of secure computer systems. Lectures cover threat models, attacks that compromise security, and techniques for...

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,...

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

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

This is the first of a two-part online lecture that provides the foundations for contemporary research in selected areas of atomic and optical physics.

This online video lecture series explores various technology trends and fields of innovation.

This online lecture concentrates on close analysis and criticism of a wide range of films, from the early silent period, classic Hollywood genres including musicals, thrillers...

This online course gives an overview of Roman Architecture through a series of 23 online lectures. The course provides an introduction to the great buildings and engineering...

This collection of YouTube playlists provides an introduction to car technology for beginners. It includes several video lists on topics such as car engines, engine components,...

Videospiele / Psychologie

This online lecture series presents the theory of fundamental machine learning concepts. Topics covered in the video lectures include: Bayesian theory of optimal decisions...

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

The course is structured around three intertwined sets of topics: Happiness and Flourishing; Morality and Justice; and Political Legitimacy and Social Structures. It covers...

This online lecture discusses nonlinear dynamics and control of underactuated mechanical systems, with an emphasis on machine learning methods.

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

Highlights of Calculus is a series of short online videos that introduces the basics of calculus—how it works and why it is important.

This online lecture series explores the history of WWI.

This course teaches how to program in Ruby, a flexible language used to create many websites.

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