834 search results
The First World War: trauma and memory
History & The Arts

The First World War: trauma and memory

...techniques of modern warfare against civilians, including aerial bombardments and naval warfare (which led to the sinking of passenger ships), thus transforming the civilian experience of war once and for all. The war also allowed states to commit atrocities against minorities within their own borders. A tragic example of this is the fate of the Armenians in the Ottoman...
View course The First World War: trauma and memory
Level 1: Introductory 9 hrs
Surfaces
Science, Maths & Technology

Surfaces

...technique to find the Euler characteristic of a 2-fold torus. If we cut the surface into two, as shown in Figure 95, and separate the pieces, we obtain two copies of a 1-fold torus with 1 hole, each with Euler characteristic −1. [Figure 95] Figure 95 Consider any subdivision of the left-hand torus with 1 hole, and give the right-hand torus with 1 hole its mirror image...
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Level 3: Advanced 20 hrs
The Ancient Olympics: bridging past and present
History & The Arts

The Ancient Olympics: bridging past and present

...techniques, no archaeological remains have been uncovered yet, so most of what we know about it is based on interpretations of ancient texts. It is believed that two large pillars stood at either end of the racing track to mark the turns (which were the most dangerous parts of the course). Races started in a dramatic staggered sequence, using a mechanism called the...
View course The Ancient Olympics: bridging past and present
Level 1: Introductory 5 hrs
Organisations and the financial system
Money & Business

Organisations and the financial system

...technique whereby a company buys back its own stock, typically at a substantial premium, from a potential buyer in order to forestall a hostile takeover. Since share repurchases reduce the total number of outstanding shares, this results in an increase in earnings per share, and usually (but not inevitably) an increase in share price. Table 14 shows the change in earnings...
View course Organisations and the financial system
Level 2: Intermediate 8 hrs
Veiling
History & The Arts

Veiling

...techniques of wrapping, twisting and layering and held together with an increasing variety of decorative hijab pins designed for the purpose, the headscarf has in recent years become a new form of Muslim personal art. In many cases, it provides the aesthetic focal point of a young woman’s appearance. Such scarf-led outfits, known by many as hijabi fashions, often lend a...
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Level 2: Intermediate 10 hrs
Business models in strategic management
Money & Business

Business models in strategic management

...techniques may enhance the possibilities of success...Business models in strategic management: 3.3 Content provider - Content providers are distributors of online content, such as news, music, videos, games and artwork, and are important players in the online scene. Digital media (video games, video-on-demand, ePublishing and digital music) is a growing market worth $129...
View course Business models in strategic management
Level 2: Intermediate 10 hrs
Understanding depression and anxiety
Health, Sports & Psychology

Understanding depression and anxiety

...techniques. Amino acids are the building blocks of proteins. Proteins are molecules that contribute to the structure and functioning of all our cells, including our neurons. The findings of a meta-analysis by Ruhé et al. (2007) on the results of studies of monoamine depletion are summarised in Table 1. (A meta-analysis is discussed in the related OpenLearn course...
View course Understanding depression and anxiety
Level 2: Intermediate 8 hrs
The gut microbiome: balancing the body
Science, Maths & Technology

The gut microbiome: balancing the body

...techniques. Genetics, environmental factors, and dysfunction of the individual’s immune system are important in the development of both Crohn’s disease and ulcerative colitis. In addition, recent research has shown that many individuals with IBD have dysbiosis, which may be a key step in the early development of the disease. Dysbiosis in the gut microbiome leads to...
View course The gut microbiome: balancing the body
Level 1: Introductory 12 hrs