Explore how computing and IT shape our digital world with this free introductory course. Learn how computers work, how data is stored and deleted, and why online safety and data security matter while gaining a deeper understanding of how technology influences the way we live and think.

Why does the Earth’s atmosphere make it the perfect home for life? Professor Stephen Lewis explores...

This free course, Galaxies, stars and planets, is a general introduction, including scale of the universe from the very large to the very small; orbits and gravity; the Solar System; the Sun and other stars; galaxies and the composition of astronomical objects.

This course explores the role of fire as a natural disturbance in ecosystems. It introduces the concept of a fire regime and its influence on the type and distribution of organisms that occur in fire prone ecosystems. It also looks at some of the adaptations of plants that have evolved in these ecosystems and how animals either avoid or exploit ...

This free course, Exploring communications technology, looks at some of the principles underpinning communications technology. It looks at the properties of signals and media (such as optical fibre and radio waves), error control, data compression, and the principles of 4G mobile communications, wi-fi and DSL broadband.

Writing reports and assignments can be a daunting prospect. Learn how to interpret questions and how to plan, structure and write your assignment or report. This free course, Essay and report writing skills, is designed to help you develop the skills you need to write effectively for academic purposes.

Environment: treading lightly on the Earth focuses on the problem of greenhouse gas emissions, especially carbon dioxide. This free course will give you an understanding of the nature and importance of carbon footprints of individuals and households. It will enable you to measure your own carbon footprint and explore what you could do to reduce ...

Develop the English reading and writing skills needed for university success.

Themes covered in this free course, Energy in buildings, include reducing heating demand in buildings, heating systems and fuel emissions, and reducing electricity use by appliances. The course looks at the importance of energy in buildings in the UK, investigate heat loss and how to prevent it, ways of increasing building efficiency, ...

This free course, Eating for the environment, will explore the links between food, nutrition and environmental sustainability.