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

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...

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

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

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

This online lecture deals primarily with equilibrium properties of macroscopic systems, basic thermodynamics, chemical equilibrium of reactions in gas and solution phase, and...

This series of online lectures discusses various aspects about religion and interdisciplinary and interreligious academic and social discourse.

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

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 the metaphysics of life and death. It discusses topics such as various arguments for the existence of the soul, personal identity,...

This online lecture gives an introduction to computer architecture. It explores in great detail how computers are designed.

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

This online video lecture series gives an introduction to machine learning and pattern recognition.

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 discusses numerical methods for Partial Differential Equations (PDE).

This calculus lecture covers differentiation and integration of functions of one variable, and concludes with a brief discussion of infinite series.

The goal of this online lecture is to illustrate the spectroscopy of small molecules in the gas phase.

This online video lecture series gives an introduction to cultural psychology.

This collection of YouTube playlists provides an introduction to car technology for beginners. It includes several video lists on topics such as car engines, engine components,...

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