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

This online lecture by Yale University provides an introduction to the principles and methods of physics.The course covers Newtonian mechanics, special relativity, gravitation,...

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

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...

This is the second of a two-part online lecture beginning with Atomic and Optical Physics I that provides the foundations for contemporary research in selected areas of atomic...

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

This online lecture series gives an introduction to nuclear and particle physics.

This online lecture explores the basics of digital circuits.

This online lecture aims to provide an understanding of radar systems concepts and technologies to military officers and civilians involved in radar systems development,...

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

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

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 gives an introduction to biology. It focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. The course...

This course teaches how to add sign up, log in, and log out functionality to Rails apps, as well as how to manage access to specific pages.

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 series explores functional analysis, i.e. solving both linear and nonlinear problems posed on a normed space that is no longer finite-dimensional. Topics...

This online course program gives an introduction to AWS cloud development.

This online video lecture provides a historical study of the origins of Christianity by analyzing the literature of the earliest Christian movements in historical context,...

This calculus lecture covers differentiation and integration of functions of one variable, and concludes with a brief discussion of infinite series.

This online lecture explores the dynamics of evolution, including various mathematical models.