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

Khan Academy provides various free lessons for learners who prepare for the SAT test.

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

This online course (MOOC) explores gender identity and the gender spectrum by analyzing the real-life experiences of six transgender children and their families.

This course teaches how to program in C++, which is a language well-respected for its flexibility and low-level functionality. It is used in the development of operating...

This online course teaches how to create websites by structuring the pages with HTML.The course is designed for beginners and includes HTML elements and structures as well as...

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

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

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

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

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...

Khan Academy provides various free introductory chemistry video lessons. Topics include atoms and compounds, chemical reactions, the periodic table, chemical bonds,...

This online course gives an introduction to Kotlin, a popular programming language for Android development, web development, and more.

Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

This course teaches how to program in PHP, which is one of the most popular languages of modern web development.

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

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...

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

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

This course teaches how to add sign up, log in, and log out functionality to Rails apps, as well as how to manage access to specific pages.