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.

As part of a review of content, this course will be deleted from OpenLearn on 18 May 2017. It has been replaced by the new course 'Information security'. Headline news scares about stolen or missing data are becoming a frequent occurrence. This free course, An introduction to information security, discusses the importance of protecting information. Organisations are relying more and more heavily on computers to store sensitive corporate and customer information and this OpenLearn course gives an overview of information security management systems.

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.

Digital evidence features in just about every part of our personal and business lives. Legal and business decisions hinge on having timely data about what people have actually done. This free course, Digital forensics, is an introduction to computer forensics and investigation, and provides a taster in understanding how to conduct investigations to correctly gather, analyse and present digital evidence to both business and legal audiences. It also outlines the tools to locate and analyse digital evidence on a variety of devices, how to keep up to date with changing technologies, and laws and regulations in digital forensics.

How are designs turned into products? What resources, materials and methods are used and what set of activities goes under the heading of 'manufacturing'? This free course will introduce manufacturing as a system and will describe some of the many different ways of making products. We will illustrate how the required properties of the materials in a product influence the choice of manufacturing process used.

Are you ever frustrated with something that you thought you could design better? This free course, Design thinking, will show you how to structure your natural creativity to come up with solutions to all kinds of problems, and have fun in the process too!

This free course, Transport and sustainability, explores the issues around sustainable transport and how the role of technology and society can interact to lower the overall impact of transport.