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 8 different subject areas. Our courses are available to start right away.

Grid List Results: 285 items
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Scales in space and time free course icon Level

Science, Maths & Technology

Scales in space and time

Scale – dealing with the miniscule to the massive, over milliseconds to millennia – is central to all the sciences. In this free course, Scales in space and time, you’ll go to the absolute limits of what can be measured – all through a study of an oak tree! By studying it you will be introduced to concepts in physics, chemistry, biology and ...

Free course
12 hrs
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Understanding autism free course icon Level Badge icon

Science, Maths & Technology

Understanding autism

Learn about autism, one of the most challenging long-term conditions of the century. This free course, Understanding autism, introduces the autism spectrum, how it is experienced by individuals and families, and why it has become a global concern. The course explains how understanding of the autism spectrum and approaches to diagnosis and care ...

Free course
24 hrs
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Learning from major cyber security incidents free course icon Level

Science, Maths & Technology

Learning from major cyber security incidents

As a society, we are now almost always connected to the internet and rely on it for many different day-to-day activities. However, this dependency on the internet can make us vulnerable to attacks.

Free course
8 hrs
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Introducing mammals free course icon Level

Nature & Environment

Introducing mammals

Mammals come in a bewildering variety of shapes and sizes, and yet all species have some characteristics in common. These similarities justify the inclusion of all such diverse types within the single taxonomic group (or class) called the Mammalia. This free course, Introducing mammals, offers a starting point for the study of mammals. It will ...

Free course
5 hrs
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Discovering chemistry free course icon Level Badge icon

Science, Maths & Technology

Discovering chemistry

Chemistry lies at the centre of our modern life, playing a part in areas as diverse as the development of new drugs and materials, analysing our environment through to more mundane activities such as washing your clothes and making your tea. But to truly understand the role chemistry plays you need to have a sound grasp of a number of ...

Free course
24 hrs
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Aquatic mammals free course icon Level

Nature & Environment

Aquatic mammals

Mammals come in a bewildering variety of shapes and sizes and yet all of the 4700 or so species have some characteristics in common, which justifies the inclusion of diverse types within a single group. Although mammals evolved on land, a number of species have become adapted to spending part or all of their lives in water and it is these ...

Free course
5 hrs
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Infection and immunity free course icon Level

Health, Sports & Psychology

Infection and immunity

In this free course, Infection and immunity, you will be introduced to infectious diseases and to the biological agents that invade our bodies and cause them: pathogens. You will also learn about the immune system, the human body’s vital defence against pathogens. Along the way you will learn about the scientific method and how it has helped ...

Free course
12 hrs
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Can renewable energy sources power the world? free course icon Level Badge icon

Science, Maths & Technology

Can renewable energy sources power the world?

We ask the question ‘Can renewable energy sources power the world?’ as a response to the growing awareness that increased use of renewable energy technologies is making a major contribution to global efforts to limit anthropogenic climate change. The course begins by examining the environmental concerns that have caused a rise in interest in ...

Free course
24 hrs
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Studying natural sciences bilingually free course icon Level

Science, Maths & Technology

Studying natural sciences bilingually

Thinking of studying a Natural Sciences course? Considering studying through the medium of Welsh and want to know what the benefits are? Not sure whether your Welsh is good enough? If you’re reading this article, it’s quite possible you’ve thought about these questions. This article aims to answer these questions, and show how studying ...

Free course
1 hr
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Astudio’r gwyddorau naturiol yn ddwyieithog free course icon Level

Science, Maths & Technology

Astudio’r gwyddorau naturiol yn ddwyieithog

Meddwl am astudio cwrs yn y Gwyddorau Naturiol? Ystyried astudio trwy’r Gymraeg ac eisiau gwybod beth yw’r manteision? Dim yn siŵr os ydy eich Cymraeg yn ddigon da? Os ydych chi’n darllen yr erthygl hon, digon tebyg fod y cwestiynau hyn wedi codi yn eich meddwl. Pwrpas yr erthygl hon yw ateb y cwestiynau hyn, a dangos sut gallai astudio’r ...

Free course
1 hr
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Everyday maths 2 (Wales) free course icon Level

Science, Maths & Technology

Everyday maths 2 (Wales)

This free course, Everyday maths 2 (Wales), will build on your existing maths skills and help you to feel more confident tackling the maths you come across in everyday situations.

Free course
48 hrs
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Metals in medicine free course icon Level

Science, Maths & Technology

Metals in medicine

This free course, Metals in medicine, focuses on the use of metals and their compounds in the production of images of internal structures in our bodies and on the role of metal-containing compounds as drugs in the treatment of disease.

Free course
12 hrs