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This online course teaches basic programming knowledge to build your first PHP websites.

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...

This online course aims to provide students with an understanding of the role computation can play in solving problems. It teaches how to solve problems with basic computer...

This online lecture series gives an introduction to blockchain technology and its potential use in the world of money and finance.

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

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

This online video lecture series explores potential manipulation and misinterpretation of data.

This online lecture concentrates on close analysis and criticism of a wide range of films, from the early silent period, classic Hollywood genres including musicals, thrillers...

These short online courses provided by Skillshare cover various topics around marketing, including digital marketing, branding, content marketing, social media marketing, and SEO.

In this non-technical online course for a broad audience, the former commander of the International Space Station (ISS) teaches the science of space exploration. It includes...

Khan Academy provides various free introductory art history video lessons. Topics include prehistoric art, ancient mediterranean art (Egypt, Greece, Rome and others), medieval...

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...

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

This online course teaches how to use Java to build mobile apps for Google’s Android operating system.

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...

This online course teaches Flask, a framework to turn Python programs into web sites and apps.

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 course covers matrix theory and linear algebra, emphasizing topics useful in other disciplines such as physics, economics and social sciences, natural sciences, and...

This online lecture explores photography as a disciplined way of seeing or investigating urban landscapes, and expressing ideas. Readings, observations, and photographs form the...

This online lecture provides an introduction to optical science with elementary engineering applications.