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: 198 items
Introduction to analysis free course icon 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 ...

Free course
16 hrs
Introduction to differential equations free course icon 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...

Free course
18 hrs
Gene testing free course icon 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 ...

Free course
4 hrs
Vaccination free course icon 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 ...

Free course
14 hrs
Water for life free course icon 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.

Free course
15 hrs
Obesity: balanced diets and treatment free course icon 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.

Free course
15 hrs
Geological processes in the British Isles free course icon 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 ...

Free course
9 hrs
Migration free course icon 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.

Free course
8 hrs
Meiosis and mitosis free course icon 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. ...

Free course
8 hrs
Drug development process: combating pain free course icon 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.

Free course
2 hrs
What do genes do? free course icon 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.

Free course
2 hrs
The Moon free course icon level 1: introductory icon

Science, Maths & Technology

The Moon

As the only planetary body everyone is familiar with seeing in the sky, the Moon has long been an object of fascination and speculation. This free course will teach you about the nearest planetary body to Earth: the missions to the Moon, the basic facts of its composition, the cratering on its surface, and the ancient eruptions that flooded many...

Free course
6 hrs