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This online course provides a basic introduction to metric spaces. It covers metrics, open and closed sets, continuous functions (in the topological sense), function spaces,...

This series of online courses explains the role of testing in web development. Participants will build a testing suite for a full-stack web application.

In this online course, best-selling author Judy Blume teaches writing. The course includes more than 20 video lessons and various supplemental materials.

This series of online courses explores the fundamental building blocks of data science, including statistics, data analysis, data visualization, programming with SQL and Python,...

The course covers basic concepts of biomedical engineering and their connection with the spectrum of human activity. It is designed for science and non-science majors.

This online course (MOOC) explores gender identity and the gender spectrum by analyzing the real-life experiences of six transgender children and their families.

In this online course, Hans Zimmer teaches the art of composing and telling a story with music. The course includes more than 20 video lessons and various supplemental materials.

This online video lecture series explores various technology trends and fields of innovation.

This online lecture includes the energy levels, the statistical behavior and internal energy, energy transport in the forms of waves and particles, scattering and heat...

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

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

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

This online lecture is particularly recommended for persons who are interested in starting or are involved in a new business or venture.

This online lecture covers selected aspects of landscape architecture. [Note: Part 1 "Landschaftsarchitektur I" was read in German.]

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 online video lecture series gives an introduction to Computer Science, Internet technology and the basics of computer hardware (CS105 class at Stanford University). The...

This course will examine law through case histories including: environmental effects of national security, pesticides, air pollution, consumer products, plastics, parks and...

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

In this online course, Mariah Carey teaches how to use the voice as an instrument. The course includes several video lessons and various supplemental materials.

This online course teaches how to design, build and deploy websites from scratch using HTML, CSS, JavaScript, and Github.