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

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

This online video lecture series gives an introduction to the way computers are build and designed.

This online lecture emphasizes dynamic models of growth and development. Topics covered include: migration, modernization, and technological change; static and dynamic models of...

This course teaches how to program in Go (Golang), an open-source programming language supported by Google.

This online lecture series discusses various aspects of metaphysics.

This online lecture covers the derivation of symmetry theory; lattices, point groups, space groups, and their properties; use of symmetry in tensor representation of crystal...

This survey course introduces students to the important and basic material on human fertility, population growth, the demographic transition and population policy.

This online lecture / workshop discusses how some empirically unconfirmed or inconclusively confirmed theories in physics have nevertheless attained a high degree of trust among...

This online lecture gives an introduction to biomedical signals and their digital analyis. (Note: course website is in German, but lectures + slides in English.)

This online lecture focuses on the algorithms for analyzing and designing geometric foldings.

This online lecture is an introduction to several fundamental ideas in electrical engineering and computer science, using digital communication systems as the vehicle.

This online course gives an overview of Roman Architecture through a series of 23 online lectures. The course provides an introduction to the great buildings and engineering...

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

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.

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

This is an intermediate algorithms course with an emphasis on teaching techniques for the design and analysis of efficient algorithms, emphasizing methods of application.

This online video lecture series gives an introduction to Machine Learning.

This video lecture gives an introduction to project and quality management in software systems engineering.

This online lecture gives an overview of statistical methods in language technology, focussing mostly on written language (texts).