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

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

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 lecture series gives an introduction to biology. It focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. The course...

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 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 course provides a selection of individual lessons and analyses from experts on the 2020 corona virus outbreak. It includes topics such as an epidemic overview, fatality...

This course teaches how to use the command line to manipulate data and automate tasks.

This online lecture covers the fundamental principles, practices and tools of Lean Six Sigma methods that underlay modern organizational productivity approaches applied in...

This online lecture explores photography as a disciplined way of seeing or investigating urban landscapes, and expressing ideas. Readings, observations, and photographs form the...

In this online course, world racing champion Lewis Hamilton teaches how to prepare the mind, body, and spirit for victory. The course includes more than 10 video lessons and...

This series of lectures gives an introduction to complex analysis.

This online course gives an introduction to the Express framework.

This online lecture series gives an introduction to political theory.

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 introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

This online lecture considers the tremendous growth of integrating micro-electronic computing components with regard to their architectures, complexity, design and programming....

This online lecture provides an introduction to optical science with elementary engineering applications.

In this online course, former CEO of PepsiCo Indra Nooyi teaches how to think big, be brave, and make purpose-driven changes at work. The course includes more than 20 video...

This online lecture gives an introduction to quantum optics.