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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.

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

This online course (part 2 of 2 courses) teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed...

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...

Khan Academy provides various free introductory video lessons on the history of the United States.

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

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

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

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

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

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

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

Die Online-Kurse der KhanAcademy geben eine erste Einführung in die Programmierung für Anfänger. Enthalten sind die Sprachen JavaScript, HTML, CSS und SQL.

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

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 microeconomics video lessons. Topics include supply, demand, market equilibrium, scarcity, preferences, consumers and producers,...

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

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...