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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 online lecture explores the implications of extracting and using energy resources, metals and mineral resources.

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 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.)

This online lecture series presents the Early Middle Ages in Western European development, from the accession of Diocletian to the feudal transformation. It covers topics such...

This online video lecture series gives an introduction to linguistics.

This online lecture series presents real-world examples in which quantitative methods provide a significant competitive edge for companies. The lectures present the key...

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.

This video lecture gives an introduction to the area of machine learning. Lecture slides are shown together with the lessons.

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 has lectures which cover commercial and emerging photovoltaic technologies and cross-cutting themes, including conversion efficiencies, loss mechanisms,...

This online lecture explores Science Fiction as a genre.

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