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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Grid List Results: 244 items
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Medical statistics free course icon level 2: intermediate icon

Science, Maths & Technology

Medical statistics

This free course is concerned with some of the statistical methods used in epidemiology and more widely in medical statistics. Section 1 introduces cohort studies in which individuals are classified according to their exposure and followed forward in time to evaluate disease outcomes. Section 2 looks at models for cohort studies. Section 3 ...

Free course
16 hrs
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People-centred designing free course icon level 1: introductory icon

Science, Maths & Technology

People-centred designing

Designed products surround us all and range from bus tickets to buildings. This free course, People-centred designing, focuses firmly on usability and the increasingly important phenomenon of people-centred design. It aims to inform consumers of design (i.e., all of us) about this crucial characteristic of design. In addition to stimulating ...

Free course
12 hrs
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Surfaces free course icon level 3: advanced icon

Science, Maths & Technology

Surfaces

Surfaces are a special class of topological spaces that crop up in many places in the world of mathematics. In this free course, you will learn to classify surfaces and will be introduced to such concepts as homeomorphism, orientability, the Euler characteristic and the classification theorem of compact surfaces.

Free course
20 hrs
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What chemical compounds might be present in drinking water? free course icon level 2: intermediate icon

Science, Maths & Technology

What chemical compounds might be present in drinking water?

Do you want to know what’s in the water that you drink? This free course, What chemical compounds might be present in drinking water?, examines the chemical compounds that occur in drinking water. A high level of certain anions in water can cause environmental pollution and health problems. Cations are also important. For example, calcium salts ...

Free course
6 hrs
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Test kits for water analysis free course icon level 2: intermediate icon

Science, Maths & Technology

Test kits for water analysis

This free course, Test kits for water analysis, steps outside the laboratory to look at some examples of analytical procedures being carried out in the field using commercial test kits. These quick tests provide results on-site, extending the options available to analysts. The methods used are chemical or microbiological in nature, made portable...

Free course
12 hrs
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Volcanic hazards free course icon level 1: introductory icon

Science, Maths & Technology

Volcanic hazards

This free course, Volcanic hazards, discusses the various hazards posed by different types of volcanic eruption, illustrated by examples from recent eruptions. The discussion is focused around reading Chapter 5 of Teach yourself volcanoes, earthquakes and tsunamis by OU volcanologist David Rothery.

Free course
10 hrs
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Laboratory Skills for Biology and Health free course icon level 1: introductory icon

Science, Maths & Technology

Laboratory Skills for Biology and Health

An OpenSTEM laboratory school providing you with 18 hours of ‘hands on’ experience with several widely used molecular and microbiological techniques to investigate bacterial antibiotic resistance. Techniques will include PCR, qPCR, agarose gel electrophoresis, bacterial plasmid transformation, micro-pipette handling, sterile working, ...

Free course
18 hrs
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Studying mammals: The insect hunters free course icon level 1: introductory icon

Nature & Environment

Studying mammals: The insect hunters

From pygmy shrews to armadillos, a wide range of mammals survive on a diet made up largely of insects. Many of these have fascinating adaptations suited to catching or rooting out their prey. In this free course, Studying mammals: The insect hunters, you will learn about these adaptations, along with survival strategies for when food is scarce. ...

Free course
10 hrs
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Exploring the relationship between anxiety and depression free course icon level 3: advanced icon

Science, Maths & Technology

Exploring the relationship between anxiety and depression

This free advanced level course, Exploring the relationship between anxiety and depression, serves as an introduction to masters level study in neurosciences and mental health. Focusing on anxiety and depression, you will consider key issues concerning diagnosis, causes and interventions, exploring how these conditions relate to each other. You ...

Free course
3 hrs
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What is the genome made of? free course icon level 1: introductory icon

Science, Maths & Technology

What is the genome made of?

Genomes are composed of DNA, and a knowledge of the structure of DNA is essential to understand how it can function as hereditary material. DNA is remarkable, breathtakingly simple in its structure yet capable of directing all the living processes in a cell, the production of new cells and the development of a fertilized egg to an individual ...

Free course
4 hrs
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Introduction to active galaxies free course icon level 2: intermediate icon

Science, Maths & Technology

Introduction to active galaxies

The field of active galaxies is recognised as one of increasing importance. But how do we know there are different kinds of galaxy? What are active galaxies? How are they powered? This free course, Introduction to active galaxies, examines the different types of active galaxies and looks at the crucial role of the active galactic nucleus and the...

Free course
20 hrs
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Teaching mathematics free course icon level 2: intermediate icon Badge icon

Education & Development

Teaching mathematics

This free course, Teaching mathematics, has been designed for non-specialist mathematics teachers of 8 to 14 year olds, teaching assistants, home schoolers and parents and draws on the established provision of mathematics education at the Open University. It can also be used as Continuing Professional Development by individuals or groups ...

Free course
24 hrs