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Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

This course presents the principles of evolution, ecology, and behavior for students beginning their study of biology and of the environment.

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 online course, former U.S. Secretaries of State Madeleine Albright and Condoleezza Rice teach diplomacy. The course includes more than 15 video lessons and various...

This online lecture covers the fundamental principles, practices and tools of Lean Six Sigma methods that underlay modern organizational productivity approaches applied in...

This online lecture series presents the Early Middle Ages in Western European development, from the accession of Diocletian to the feudal transformation. It covers topics such...

Khan Academy provides various free lessons for learners who prepare for the SAT test.

This online lecture covers differential, integral and vector calculus for functions of more than one variable. These mathematical tools and methods are used extensively in the...

In this online course, presidential campaign strategists David Axelrod and Karl Rove reveal what goes into effective political strategy and messaging. The course includes more...

Comprehensive language course in Greek. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

This brief guest lecture at LMU Universität München discusses the relation between modern physics/natural sciences and religious thought.

Comprehensive language course in Arabic. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

This course teaches how MOS transistors work, and how to model them. The understanding provided in this course is essential not only for device modelers, but also for designers...

In this online course, Usher teaches the art of performing in front of an audience. The course includes ca. 15 video lessons and various supplemental materials.

This course provides an overview of major works of social thought from the beginning of the modern era through the 1920s.Writers include Hobbes, Locke, Rousseau, Montesquieu,...

This online lecture series discusses the evolution and role of urban public transportation modes, systems, and services, focusing on bus and rail. It covers various topics,...

This online course teaches React, the JavaScript library developed at Facebook for building user interfaces.

In this online course, Oscar nominee Samuel L. Jackson teaches acting. The course includes more than 20 video lessons and various supplemental materials.

In this online course, star photographer Annie Leibovitz teaches key photography skills. The course explores topics such as:The technical side of photography, including the role...

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...