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Watching the weather
Nature & Environment

Watching the weather

...central and southern Africa.) Figure 11 shows large quantities of water vapour over the regions where cloud cover can also be deduced from the IR image. What is shown in the water vapour image, Figure 11, where the IR image, Figure 9a, shows little or no cloud cover? (Hint: look at the central Indian Ocean.) The water vapour image also detects diffuse regions of moist air...
Level 1: Introductory 10 hrs
Studying mammals: The opportunists
Nature & Environment

Studying mammals: The opportunists

...central, unifying theme of the 'Studying mammals' series of units. So is the notion of specialisation of diet - that mammals display adaptations, i.e. specialised teeth or complex stomachs, that enable them to cope with the demands of particular diets. This course addresses these two related themes of energy and of specialisation. Why might omnivorous mammals have 'broken...
Level 1: Introductory 10 hrs
Studying mammals: Return to the water
Nature & Environment

Studying mammals: Return to the water

...central theme of the 'Studying mammals' series of units, but surely no environment has tested that versatility as much as the rivers and oceans of the world. Mammals are essentially a terrestrial group of animals, but three major groups have independently adopted an aquatic way of life. In moving to the water, aquatic mammals have had to survive, feed and reproduce using...
Organisations and the financial system
Money & Business

Organisations and the financial system

...central bank money. As the name suggests, central bank money is determined by the Bank of England and consists of notes and reserves. And in normal times at least, notes and reserves are determined by the amount of notes that people want to hold or need for their transactions and the amount of notes and reserves that banks want to hold given the level of interest rates in...
Water for life
Nature & Environment

Water for life

...central atomic nucleus, which contains the protons, with electrons moving around it. In this picture (or model) the electrons are arranged in layers, like the layers in an onion. Figure 12 shows a simple representation of this for the element carbon. [Figure 12] Figure 12 Chemists' simple representation of the carbon atom. The smaller dots represent electrons moving in...
Level 1: Introductory 15 hrs
Histology, microscopy, anatomy and disease
Science, Maths & Technology

Histology, microscopy, anatomy and disease

...central England. In the video, Peter Mooney, the Laboratory Manager for the department, takes you through the different steps involved in the production of sections, staining and initial analysis of slides for diagnostic histopathology. These steps will be described in more detail later in the course. Please note that this video is around 17 minutes long, so you may...
An introduction to electronics
Science, Maths & Technology

An introduction to electronics

...central role that electronics plays in society, watch the video below. [MUSIC PLAYING] [BEEPING] [BUZZING] [MUSIC PLAYING] [BEEPING] [BEEPING] [MUSIC PLAYING] [BEEPING] MAN: Oh, hello, [INAUDIBLE]. Was not expecting your phone call. [MUSIC PLAYING] [BEEP] [MUSIC PLAYING] One day in the life of electronics This section of the course will introduce you to the
Level 2: Intermediate 10 hrs
Migration
Science, Maths & Technology

Migration

...Central or South America (Video 4). They are thought to find their way by flying southwards, keeping over land. It may be 18 months before they make the return trip. [MUSIC PLAYING] NARRATOR: Ospreys are not only masters of the air ... but of the sea as well. [MUSIC PLAYING] Every year, they take part in an extraordinary migration of around 6000 miles between the perfect...
Level 2: Intermediate 8 hrs