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

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

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

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

In this online course, Reba McEntire teaches the art of making country music. The course includes more than 20 video lessons and various supplemental materials.

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

This video lecture discusses the computational complexity theory, including the Chomsky hierarchy, (un-) decidability,SPACE versus TIME, EXPSPACE and more advanced topics.

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

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

This course teaches how to program in Go (Golang), an open-source programming language supported by Google.

This online course teaches how to create animations as well as how to test an app, how to use Google Play Services, and how to simplify networking by using Retrofit and RxJava.

In this online course, "Gangster Gardener" Ron Finley teaches gardening skills and techniques, including how to grow your own food, keep your plants alive, and find beauty and...

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...

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 online lecture gives an introduction to the architecture of supercomputers.

This course teaches how to program in R, which is a popular language used by data scientists and researchers.

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

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

The course covers basic concepts of biomedical engineering and their connection with the spectrum of human activity. It is designed for science and non-science majors.

The goal of this online lecture is to illustrate the spectroscopy of small molecules in the gas phase.