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

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

This online lecture series explores how algorithmic puzzles can be solved with computer programming, using the Python programming language.

This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. The course explores...

This online lecture examines the neural bases of sensory perception. The focus is on physiological and anatomical studies of the mammalian nervous system as well as behavioral...

This online lecture covers the Internet of Things (IoT), which basically means that virtually every thing can also feature tiny computers that are connected to the Internet.

The purpose of this online lecture is to expose undergraduate and graduate students to the mathematical concepts and techniques used in the financial industry.

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.

This is a continuation of the online lecture Fundamentals of Physics I. This Part II of the course covers electricity, magnetism, optics and quantum mechanics.(Part I can be...

This is an online lecture for those who are interested in the challenge posed by massive and persistent world poverty.The course discusses aspects such as:different growth rates...

This online lecture series gives an introduction to galaxies and cosmology. It includes the Milky Way and the Local Group as well as larger-scale structures of the universe.

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

This online lecture series gives an introduction to biology. It focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. The course...

Khan Academy provides various free introductory video lessons on electrical engineering. Topics include circuit analysis, amplifiers, semiconductors, electrostatics, signals and...

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

This online course gives an introduction to linguistics (the nature of human language).

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

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...

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...