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

This course shows the basics of SQL data analysis to explore dips and spikes in data and build business metrics.

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

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

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

This online course explores the relation between the EU and the UN. It was created by a consortium of eight universities from seven countries, including the London School of...

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

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

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 neuroanatomy. In addition to the free video lessons, further (paid) trainings are available.

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

Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

Khan Academy provides various free introductory anatomy video lessons. Topics include the circulatory system, respiratory system, urinary system, hematologic system, immunologic...

This course teaches the fundamentals of the Java programming language.It includes various interactive lessons and practical coding projects. (Also check out this overview of...

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

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

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

Khan Academy provides various free introductory art history video lessons. Topics include prehistoric art, ancient mediterranean art (Egypt, Greece, Rome and others), medieval...

This online course shows how to use IBM's Personality Insights API and interact with Twitter; participants should be familiar with Python for this course.

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...