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This series of online courses covers common topics in intermediate grammar, such as perfect verb tenses and adjective clauses.

This online course explores the roles that microbes play in the production, preservation, and enhancement of foods in a variety of culinary traditions, and discovers the history...

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

This online course teaches Python 3.

This online course teaches about advanced React and Redux concepts - authentication, testing, middlewares, HOC's, and deployment.

This online course explores fundamental and modern approaches to Japanese structural design, and uses historical overviews and Tokyo-Tech's campus buildings as case studies. The...

This sequence of online courses teaches the key concepts of Kotlin to create native Android applications with less code than using Java.

This online course series gives an introduction to C programming and Linux for beginners. No prior programming experience required.

This online course teaches the theory and practice of concurrent programming in Erlang, through practical exercises and suggested projects.

This online course gives an introduction to the job search, application, and interview process in the United States. It is designed for non-native English speakers and includes...

This test preparation course, developed by the experts who create, administer and score the TOEFL test, will help English language learners improve their skills.

This course serves as a preparation for the international TOEFL exam.

This online course gives an overview of DNA replication and repair.

This online lecture course is intended as an introduction to political philosophy as seen through an examination of some of the major texts and thinkers of the Western political...

This online course gives an introduction to 18th century opera by analyzing Händel’s "Giulio Cesare" and Mozart’s "Don Giovanni".

This online course teaches Excel for beginners.

This online course (MOOC) explores Chinese history and culture from the perspective of the individual through philosophical texts, literary works, and art.

This course is designed to inform primary care physicians and general otolaryngologists about the differences between acute and chronic rhinosinusitis and how to distinguish and...

Through this course students will understand the rationale behind the current design and implementation decisions in modern OS’s (like Linux) by considering the historic...

This online course explores how animals and people interact within the web of structures and connections of society.