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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 will focus on basic technologies for the treatment of urban sewage. Unit processes involved in the treatment chain will be described as well as the physical,...

This online course explores the basics of air pollution and its effects. Topics such as causes of pollution and impacts of pollution are covered.

In this online course, students will learn about the Manchus, who conquered Ming China and established the last of the imperial dynasties; their Qing dynasty would become the...

This online course gives an introduction to innovations, technology and regulation driving the transformation of finance.

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

This online course gives an introduction to the concepts behind black holes. Using this example, the course also explores the basic ideas of astronomy, relativity, and quantum...

This online course (MOOC) explores the basics of venture capital and provides a practical roadmap to entrepreneurs.

This online course (MOOC) gives an introduction to archaeoastronomy, exploring the relationships between the ancient monuments and the sky. This gives learners a better...

This online course teaches about working with practitioners in social, life and physical sciences to understand how calculus and mathematical models play a role in their work.

This online course teaches the science and technology behind nuclear energy and the special features of this energy source.

This series of lectures gives an introduction to complex analysis.

This online course explores materials from the atomic to the continuum level, and apply the learning to mechanics and engineering problems.

This online course provides a review of evidence-based study strategies, an overview of the structure of the AP® Psychology exam, and many strategies for how to do well on the...

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

This course covers three core topics in customer loyalty: branding, customer centricity, and practical, go-to-market strategies.

This online course (MOOC) explores income inequalities within societies and key wage bargaining mechanisms. It includes topics such as collective bargaining, unions, and minimum...

This online course gives a short introduction to machine learning and data science for everyone.

This online Java course provides with a strong understanding of basic Java programming elements and data abstraction using problem representation and the object-oriented...

This online lecture is an introduction to computational biology emphasizing the fundamentals of nucleic acid and protein sequence and structural analysis; it also includes an...