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.
- All topics
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level 2: intermediate icon
Science, Maths & Technology
Introduction to group theory
This free course is an introduction to group theory, one of the three main branches of pure mathematics. Section 1 looks at the set of symmetries of a two-dimensional figure which are then viewed as functions. Section 2 introduces an algebraic notation for recording symmetries and calculating composites and inverses of symmetries. Section 3 ...
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level 2: intermediate icon
Science, Maths & Technology
Introduction to analysis
This free course is an introduction to analysis which looks at real numbers and their properties, with a particular emphasis on inequalities. Section 1 starts by revising rational numbers and their decimal representations. Then, real numbers are introduced as infinite decimals. Section 2 looks at rules for manipulating inequalities and finding ...
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level 1: introductory icon
Science, Maths & Technology
Introduction to differential equations
Differential equations are any equations that include derivatives and arise in many situations. This free course, Introduction to differential equations, considers three types of first-order differential equations. Section 1 introduces equations that can be solved by direct integration and section 2 the method of separation of variables. Section...
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level 1: introductory icon
Science, Maths & Technology
Gene testing
This free course, Gene testing, looks at three different uses of genetic testing: pre-natal diagnosis, childhood testing and adult testing. Such tests provide genetic information in the form of a predictive diagnosis, and as such are described as predictive tests. Pre-natal diagnosis uses techniques such as amniocentesis to test fetuses in the ...
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level 2: intermediate icon
Science, Maths & Technology
Vaccination
Vaccinations are now considered a part of everyday life, but how do they work? Vaccination is a free course that will help those with a background in biology understand the historical development of vaccination, assess the various types of vaccines used today, examine their production and explore the limitations that are placed on vaccination ...
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level 1: introductory icon
Nature & Environment
Water for life
Atoms, elements and molecules are the building blocks of everything that makes up our world, including ourselves. In this free course, Water for life, you will learn the basic chemistry of how these components work together, starting with a chemical compound we are all very familiar with water.
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level 2: intermediate icon
Science, Maths & Technology
Obesity: balanced diets and treatment
The incidence of obesity is on the increase in affluent societies, and the phenomenon commands increasing attention from health professionals, legislators and the media. This free course, Obesity: balanced diets and treatment, looks at the science behind obesity, examining the dietary, physiological and genetic aspects of the topic.
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level 2: intermediate icon
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 ...
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level 2: intermediate icon
Science, Maths & Technology
Migration
Migration is a free course looking at the migrations of animals, with special reference to birds, and also introducing the themes of movement, selection and homeostasis.
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level 1: introductory icon
Science, Maths & Technology
Meiosis and mitosis
This free course, Meiosis and mitosis, looks at how units of inheritance are transmitted from one generation to the next. First you will look at what happens to the chromosomes of animals and plants during the process of sexual reproduction. Then you will examine how genes are transmitted in particular patterns from generation to generation. ...
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level 3: advanced icon
Science, Maths & Technology
Drug development process: combating pain
Drug development process: combating pain, is a free course offering a brief introduction to the process of new drug discovery; from identification of a suitable candidate drug molecule to the development of a commercial drug product available in the clinic for pain relief or as an anti-inflammatory.
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level 1: introductory icon
Science, Maths & Technology
What do genes do?
This free course, What do genes do?, explores how information contained in DNA is used, explaining the flow of information from DNA to RNA to protein. Also introduced are the concepts of transcription (as occurs between DNA and RNA) and translation.