672 search results

Approaches to software development
Science, Maths & Technology

Approaches to software development

...et impera – divide and rule. However this covered the idea that it was easier to rule over groups in conflict with each other. How can we cope with tricky problems or situations where there is just too much information? The main technique for dealing with such messy situations is decomposition. We can decompose a problem into smaller and smaller parts or chunks until...
Climate change and renewable energy
Nature & Environment

Climate change and renewable energy

...Système international d’unités (international system of units) known as SI. The SI unit of length, for example, is the metre (m), and the SI unit for time is the second (s). Example: What is 1000 metres in SI form? The prefix for one ‘thousand’ is ‘kilo’, so the answer is one kilometre (1 km in shortened form). One thousand metres, one kilometre and 1 km are...
Infection and immunity
Health, Sports & Psychology

Infection and immunity

...et al., 2008; note that ‘et al.’ indicates that there were several other authors) Less than 40 years before this woefully optimistic claim, at least 20 million people had died in 1918–19 from influenza, most of them young adults in the UK, USA and Europe. Public health officials in the USA in the 1940s were actively campaigning to halt the spread of tuberculosis...
Level 1: Introductory 12 hrs
Grammar matters
Languages

Grammar matters

...et al., 1995, p. 7) Now look at the passage for a second time, paying particular attention to the verbs used to represent past events or processes. These have been highlighted using italics. Make a note of whether each verb form is active or passive, who is the agent and who is ‘acted on’ by the action represented by the verb in each case. In the second text box, make...
Level 3: Advanced 8 hrs
Information technology: A new era?
Society, Politics & Law

Information technology: A new era?

...et al., 1998). As you read the list, consider how a new technology such as electricity or information technology fulfils each criterion. It must have a wide scope for improvement and elaboration. This means that the technology does not appear as a complete and final solution, but as a technology that can be improved through the different opportunities for technological...
Level 2: Intermediate 15 hrs
Introduction to making political and social change
Society, Politics & Law

Introduction to making political and social change

...et al, 2018). It can be understood in a minimal sense (activities which relate to ‘personal responsibility’, such as obeying the law and paying taxes), all the way to a maximal sense, focusing on combatting injustice in society, defined by Westheimer and Kahne (2004) as ‘justice orientated’ citizenship. It is clear there are different ‘levels’ of active...
Introducing key global development challenges
Society, Politics & Law

Introducing key global development challenges

...et in different ways. How do we negotiate conflicting interests? How should resources be managed? What can guarantee equality and fairness? What kind of good change do you want? Such challenges ask unsettling questions as well as promote alternative visions of what is meant by development...Global development requires thinking about social, economic, political, cultural...
Exploring cells with digital fluorescence microscopy
Science, Maths & Technology

Exploring cells with digital fluorescence microscopy

...et al. (2018) ‘Observing the cell in its native state: Imaging subcellular dynamics in multicellular organisms’, Science, 360(6386), eaaq1392. Available at: https://www.science.org/doi/10.1126/science.aaq1392 (Accessed: 10 September 2025)...Exploring cells with digital fluorescence microscopy: Acknowledgements - This free course was written by Katja Rietdorf and Ilias...