Free courses
Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 9 different subject areas. Our courses are available to start right away.
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level 1: introductory icon
Nature & Environment
Studying mammals: Return to the water
Some of the most unusual and versatile of all the mammals are the groups that live, feed and reproduce underwater. In this free course, Studying mammals: Return to the water, we will see how these formerly land-based mammals adapted to a return to the water, discussing such challenges as breathing, movement and communication. This is the seventh...
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level 3: advanced icon
Science, Maths & Technology
Strategic planning: systems thinking in practice
Strategic planning: systems thinking in practice is a free course introducing core ideas of systems thinking in practice for managing and improving complex situations. The ideas correspond with three core activities of, firstly, understanding inter-relationships, secondly, engaging with multiple perspectives, and thirdly, reflecting on boundary ...
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level 1: introductory icon
Science, Maths & Technology
Introduction to microscopy
This free course provides an introduction to microscopy and the operation of a simple light microscope, of the type found in histology courses and teaching laboratories. It outlines different methods used for preparing and staining tissue sections for microscopy, and explains how different stains can be used to identify particular cells, ...
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level 1: introductory icon
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Science, Maths & Technology
The science of alcohol
Alcohol plays a considerable part in the daily lives of humanity and has done for thousands of years. This free course, The science of alcohol, looks at the science behind the processes of brewing, distilling and vinification, and how many of our beverages are made. A historical aspect is also covered showing how the modern production techniques...
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level 1: introductory icon
Science, Maths & Technology
Introducing vectors for engineering applications
Applied mathematics is a key skill for practicing engineers and mathematical modelling is an ever-increasing field within engineering. This free course, Introducing vectors for engineering applications, covers one aspect of a Level 1 engineering module, the application of vectors and vector algebra, using examples inspired by engineering ...
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level 3: advanced icon
Science, Maths & Technology
Achieving public dialogue
There are a wide range of interactions between 'science' and 'the public'. Examples range from visiting a museum, or indulging in a science-related hobby, to reading a newspaper article about a breakthrough in the techniques of therapeutic cloning. Many of these interactions could be said to be 'passive'. This free course, Achieving public ...
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level 1: introductory icon
Science, Maths & Technology
Particle physics
This free course, Particle physics, will give you an overview of current concepts and theories in the field. You will learn about the fundamental components of matter – known as leptons and quarks – and the composite particles, such as protons and neutrons, which are composed of quarks. You will see that all particle reactions may be described ...
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level 1: introductory icon
Science, Maths & Technology
Introduction to differentiation
This free course is an introduction to differentiation. Section 1 looks at gradients of graphs and introduces differentiation from first principles. Section 2 looks at finding derivatives of simple functions. Section 3 introduces rates of change by looking at real life situations. Section 4 looks at using the derivative of a function to deduce ...
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level 1: introductory icon
Science, Maths & Technology
Gene therapy
Following on from the advances made in diagnosing disorders using genetic testing, this free course, Gene therapy, looks at the possibilities for genetic therapies. Two approaches to gene therapy are discussed: correcting genes involved in causing illness; and using genes to treat disorders. Before closing on a discussion of the issues around ...
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level 3: advanced icon
Science, Maths & Technology
Tay Bridge disaster
The sudden collapse of Scotland's Tay Bridge in 1879 killed more than 70 rail passengers and shocked the population. An extensive inquiry was carried out, including numerous witnesses, experts and reports. Were the high winds that night to blame, or were poor design or mechanical failure at fault? This free course re-examines some of the ...
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level 3: advanced icon
Science, Maths & Technology
Exploring depression
This free advanced level course, Exploring depression, serves as an introduction to masters level study in neurosciences and mental health. Focusing on depression, you will consider key issues concerning diagnosis, causes and interventions. You will also begin to explore theoretical models, biological and psychological explanations, and look at ...
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level 1: introductory icon
Science, Maths & Technology
Introduction to algebra
This free course is an introduction to algebra which builds on the idea of using letters to represent numbers. Section 1 looks at finding, simplifying and using formulas and includes useful tips on learning algebra. Section 2 introduces some of the terminology used in algebra and techniques such as evaluating and checking equivalence of ...