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.
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Science, Maths & Technology
Pain and Aspirin
What causes pain and how do we stop it? This free course, Pain and Aspirin, looks at how the human body responds to the release of certain chemicals and as a result feels pain. Pain can be reduced by inhibiting the formation of such chemicals and you will learn how the molecular structure of aspirin has been formulated to help in this process.

Science, Maths & Technology
Diabetes complications
Diabetes is an increasing problem among both adults and children. This free course, Diabetes complications, looks at the way the condition is managed once it has been diagnosed in order to reduce the risk of further complications. You will look at the role of each member of the team involved in the diabetes annual review and look at the risk ...

Science, Maths & Technology
Introduction to cyber security: stay safe online
This free course, Introduction to cyber security: stay safe online, will help you to understand online security and start to protect your digital life, whether at home or work. You will learn how to recognise the threats that could harm you online and the steps you can take to reduce the chances that they will happen to you.

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 ...

Science, Maths & Technology
Blood and the respiratory system
‘Don’t hold your breath’ is an expression you’ve probably heard many times, but may not have thought too much about. In this free course, Blood and the respiratory system, you’ll study why respiration is so important for life, including how air enters and leaves the lungs, how oxygen is transported in the blood, the many dynamic factors that ...

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...

Science, Maths & Technology
Microelectronic solutions for digital photography
The human eye is a fascinating and complicated device, but how do digital cameras capture images? This free course, Microelectronic solutions for digital photography, examines one of the humanmachine interfaces that link optical information to the electronic world. You will learn how the components within a digital camera capture images for ...

Science, Maths & Technology
An introduction to design engineering
This free course, An introduction to design engineering, looks at the way in which engineers use ideas and approaches from the discipline of design thinking to inform their work. The complexity that people bring to design problems is introduced, along with some basic methods of dealing with such complexity.

Science, Maths & Technology
Geological processes in the British Isles
The landscape of the British Isles has undergone dramatic changes during the history of the Earth, from shallow sea to desert to the familiar terrain of the 21st century. In this free course, Geological processes in the British Isles, you will explore the processes that have shaped the British landscape over time, gaining insight into the ...

Science, Maths & Technology
Diabetes care
This free course, Diabetes care, is the Chinese version of Living with diabetes which is also available in English. English version: https://www.open.edu/openlearn/science-maths-technology/biology/living-diabetes/content-section-0?active-tab=description-tab

Science, Maths & Technology
Mastering systems thinking in practice
This free course, Mastering systems thinking in practice, provides a primer for someone wanting to take the postgraduate qualifications in Systems Thinking in Practice. It will help you develop new ways of thinking about and approaching situations that cross multiple discipline and skill boundaries. You will learn to think more holistically ...

Science, Maths & Technology
Nucleic acids and chromatin
This free course, Nucleic acids and chromatin, helps you to understand the properties of nucleotides and how they contribute to secondary and tertiary structures of nucleic acids at the molecular level. You will learn about the different composition and roles of nucleic acids in the cell, their interactions with each other and the use of ...