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Discovering chemistry Badge icon
Science, Maths & Technology

Discovering chemistry

...determined to see what this meant. Having located some nitric acid, I had only to learn what the words act upon meant. In the interests of knowledge, I was even willing to sacrifice one of the few copper cents then in my possession. I put one of them on the table, opened the bottle marked “nitric acid”, poured some of the liquid on the copper, and I prepared to make...
View course Discovering chemistry
Level 1: Introductory 24 hrs
Histology, microscopy, anatomy and disease
Science, Maths & Technology

Histology, microscopy, anatomy and disease

...determining the severity and progress of a condition. Disease processes affect tissues in distinctive ways, which depend on the type of tissue, the disease itself and how it has progressed. Histopathology units are found in most hospitals and there are also independent private laboratories. The services provided by these laboratories can be accessed by healthcare...
View course Histology, microscopy, anatomy and disease
Level 1: Introductory 12 hrs
Basic science: understanding numbers
Science, Maths & Technology

Basic science: understanding numbers

...determine if the narrator in a ‘numbers-free’ bottled water video was talking about enough bottled water to fill a single swimming pool, let alone 62,000 swimming pools? Quantifying things is a way to test your experience against others, and to comprehend the world. You don’t have to be a maths wizard who sees numbers when they close their eyes at night to be a good...
View course Basic science: understanding numbers
Level 1: Introductory 12 hrs
Digital communications
Digital & Computing

Digital communications

...determines the speed of propagation of light in that material such that the speed, v, in the material is related to the speed in free space, c, by The refractive index of air is very close to 1.0 as the speed of light in air is very close to speed of light in a vacuum (free space), and the refractive index of most optical glasses is around 1.5. In optical fibre the...
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Level 3: Advanced 20 hrs
Climate change and renewable energy
Nature & Environment

Climate change and renewable energy

...determined contributions (NDCs), a set of short-term policy promises or pledges on emissions cuts from individual countries, initially only extending to 2025 or 2030, but which can then reviewed and increased over time. In addition, many countries (including the UK) have committed to a longer term target of reaching net zero emissions by 2050. The COP series of meetings...
View course Climate change and renewable energy
Level 1: Introductory 8 hrs
Understanding ADHD
Health, Sports & Psychology

Understanding ADHD

...determines to some extent the amount of data that needs to be collected, the amount of data collected in qualitative methods is based on the principle of reaching a saturation point – the point at which no new information is obtained when further data are collected. The interviews by Mofokeng and van der Wath (2017) centred on one question, ‘What are your experiences...
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Level 2: Intermediate 12 hrs
Innovation, markets and industrial change
Society, Politics & Law

Innovation, markets and industrial change

...determines the absolute level of consumption: people with high incomes tend to purchase more of most goods and services than people with low incomes. But the level of income also influences the kind of things that people buy. If a country's national income goes up, households have more total purchasing power, and more goods and services of most types will be bought. A...
View course Innovation, markets and industrial change
Level 2: Intermediate 15 hrs
Migration
Science, Maths & Technology

Migration

...determined (so that it can be inherited) phenotypic variation produces variation in some component of fitness, such as survival or mating success, and is ultimately expressed as differential reproductive success. There are three kinds of natural selection that will be considered in this course. How the frequencies of phenotypes within a population change in response to...
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Level 2: Intermediate 8 hrs