2,851 search results

Making sense of art history
History & The Arts

Making sense of art history

...centre but then I noticed the shadows on the wall. After looking at these my eye was drawn to the two figures on the right and then down to the flower placed on the table below them. After this, I wasn't tempted to look away from the painting but instead found myself looking again at some of the areas I had already explored, sure that there were probably details that I...
Level 1: Introductory 5 hrs
Exploring ancient Greek religion
History & The Arts

Exploring ancient Greek religion

...centre of ancient Athens, was just one of an enormous number of shrines and temples built by Greek-speaking communities across the ancient Mediterranean. Such buildings formed a focus for religious activities in the ancient world and provided ways for the inhabitants of ancient Greece to connect with their deities, that is to say the gods and heroes that they worshipped....
Level 1: Introductory 6 hrs
Influenza: A case study
Science, Maths & Technology

Influenza: A case study

...centre of the binding site and it is precisely these residues which are most likely to mutate between one viral strain and another. This progressive but limited change in the structure of the haemagglutinin is called genetic drift. Occasionally, perhaps once every 10–20 years, a major new strain of influenza appears which is radically different from those of previous...
Level 3: Advanced 6 hrs
Understanding water quality
Nature & Environment

Understanding water quality

...children, die of diarrhoea infections carried by contaminated water. Box 5 Nitrate in drinking water Intensive farming has caused the nitrate concentration in surface water and groundwater in some areas to increase. In parts of the UK it is now above the EU guide value of 50 mg l-1 (Table 4a). There is concern that human health may be affected if these high-nitrate waters...
Level 2: Intermediate 10 hrs
Alastair Fothergill - Earth in Vision
Nature & Environment

Alastair Fothergill - Earth in Vision

...children very rarely will come to broadcast TV as its transmitted, but actually that’s a very, very good thing for natural history. When I go to the States and talk to people about Planet Earth they’ve all seen it, but almost all of them have seen it on DVD; the original broadcast on the Discovery Channel was almost the advert for the DVD, and one of the wonderful...
Surface water
Nature & Environment

Surface water

...centre of India and flows westwards through three states - Madhya Pradesh, Gujarat and Maharastra — and then into the Arabian Sea. These three states are particularly prone to prolonged drought. [Figure 20] Figure 20 Average monthly precipitation values for New Delhi, India. A project is under way (the Narmada Valley Development Project, NVDP) to build 30 major dams,...
Level 2: Intermediate 8 hrs
Textiles in Ghana
History & The Arts

Textiles in Ghana

...centre for kente weaving, at Ntonso, where adinkra is made, and at Wonoo. The latter three towns are close to Kumasi. The course requires you to watch short segments of video and pause to assess what has been discussed and further consider its significance. The course will guide you in an exploration of the following themes: Theme 1: The status of cloth-making How is the...
Level 1: Introductory 4 hrs
Understanding and managing risk
Money & Business

Understanding and managing risk

...research technique of decision-tree analysis, which can be useful for showing the links between choices and the risk implications of making those choices. Even if you do not go through the whole process of estimation and ‘roll back’, just drawing the tree will often clarify cause and effect. Box 7 The concept of a decision tree The principle in this