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This is an online lecture taking a practical approach to proving problems can't be solved efficiently (in polynomial time and assuming standard complexity-theoretic assumptions...

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

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

This online lecture series explores real-world applications of category theory. Category theory provides a framework in which to organize formal systems and by which to...

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

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

The course presents the main trends in twentieth-century literary theory. Lectures will provide background for the readings and explicate them where appropriate, while...

This online lecture series gives an introduction to General Relativity.In includes 12 video lectures by the University of Tübingen. Each lecture shows a table of contents that...

This short online course is designed for engineers, scientists, medical personnel, managers, and others who work with lasers and/or fiberoptics, or who anticipate working with...

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 online lecture series explores new technologies that are disrupting the financial services industry, including AI, deep learning, blockchain technology and open APIs. The...

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

Diese Online-Vorlesung behandelt die Kunst und Architektur der USA.

This advanced-level online lecture series provides an overview of the Geometric Anatomy of Theoretical Physics.The aim of the course is to provide proper mathematical language...

This online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

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

This is the first semester in a two-semester introductory video lecture focused on current theories of structure and mechanism in organic chemistry, their historical...

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

This video lecture gives an introduction to ceramics.