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Khan Academy provides various free introductory physics video lessons. Topics include velocity and acceleration, forces and Newton's laws of motion, gravitation, energy,...

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

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

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

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

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.

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

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

These online lessons explain the basics of abdomen and pelvis 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 MCAT test.

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

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

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

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...

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

This course teaches how to build web apps using AngularJS 1.x, enabling learners to use AngularJS to create their own apps.

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 program in Go (Golang), an open-source programming language supported by Google.

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