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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Nature & Environment
Studying mammals: Life in the trees
David Attenborough looks at life in the trees: examining how species have evolved to cope with arboreal living. In this free course, Studying mammals: Life in the trees, you will learn how lemurs, anteaters, bears and many others have developed different methods to help movement and survival.

Nature & Environment
Studying mammals: The social climbers
Monkeys have long fascinated us because of their similarities to the human race. In this free course, Studying mammals: The social climbers, you will find out about some of the characteristics that make them so like us: their physiology, complex social interactions, large brains and intelligence. This is the ninth course in the Studying mammals ...

Science, Maths & Technology
Experiences of learning mathematics
This free course, Experiences of learning mathematics, is aimed at teachers who wish to review how they go about the practice of teaching maths, those who are considering becoming maths teachers, or those who are studying maths courses and would like to understand more about the teaching process.

Science, Maths & Technology
Ratio, proportion and percentages
From politics to cookery, ratios, proportions and percentages are part of everyday life. This free course is designed to help you become more familiar with how figures can be manipulated, then you can check whether that discount really is as big as they claim!

Science, Maths & Technology
An introduction to minerals and rocks under the microscope
In this free course, An introduction to minerals and rocks under the microscope, you will experience the study of minerals using a polarising microscope. While the study of minerals can involve electron or ion beam chemical analysis, the polarising microscope remains the prime tool for the study of rock thin sections and is the foundation of ...

Nature & Environment
The frozen planet
This free course is a general introduction to the frozen planet, including the temperature in the polar regions; the energy from the Sun and the seasons; reading and understanding graphs and maps; and how the Arctic and Antarctic regions are defined.

Science, Maths & Technology
Numbers, units and arithmetic
Do fractions and decimals make you apprehensive about maths? Do you lack confidence in dealing with numbers? If so, then this free course, Numbers, units and arithmetic, is for you. The course will explain the basics of working with positive and negative numbers and how to multiply and divide with fractions and decimals.

Science, Maths & Technology
A tour of the cell
This free course, A tour of the cell, contains a blend of text and a multimedia interactive component to look at the uniformity and diversity within cells. Fundamental to understanding how cells 'work' is a knowledge of the subcellular components and how they are arranged. This is introduced through a series of in-text and self-assessment ...

Science, Maths & Technology
Introducing engineering
Engineering encompasses a broad range of disciplines from design to manufacturing. This free course, Introducing engineering, introduces a number of key themes that explore how engineering is undertaken in our modern world. These themes include engineering design, rules that govern engineers, manufacturing for products and electricity ...

Science, Maths & Technology
An introduction to software development
Software development is the practice of organising the design and construction of software, the beating heart of much technology fundamental to our personal and professional life. This free introductory course, An introduction to software development, discusses the engineering nature of software development, its challenges and some ...

Science, Maths & Technology
Introduction to ecosystems
If we don't grasp why ecosystems function, it becomes harder to determine possible reasons for when they don't, and makes it difficult to identify possible environmental threats to humans. In this free course, Introduction to ecosystems, you will discover how organisms are linked together by complex interrelationships, how such links are studied...

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.