2,329 search results

Dreaming of an answer to narcolepsy: Why don't we understand sleep?
Health, Sports & Psychology

Dreaming of an answer to narcolepsy: Why don't we understand sleep?

...family doctors had heard of the disorder, let alone encountered a patient. Some neurologists knew what to look for, but many did not. Not even sleep specialists could explain why this disorder would suddenly strike, with peak onset at around 15 years of age. A lot has changed in 20 years. There is now overwhelming evidence that by far the most common cause of narcolepsy...
Information security
Science, Maths & Technology

Information security

...family members, birthday etc. However, Facebook’s massive market value is the value to advertisers of the information you give up as you use Facebook to log your life. This includes what you’ve liked and disliked, which restaurants you’ve eaten at (so what foods you like), which sports teams you support (so which sports clothing you might like to buy), which videos...
Level 3: Advanced 10 hrs
Language in professional life
Languages

Language in professional life

...families. Even if you can’t define it, most people will have an intuitive understanding of what culture is and, sometimes, strong feelings about what it is not. Activity 1 Defining culture Timing: Allow about 5 minutes Consider your understanding of ‘culture’. What kinds of behaviours, ways of doing things and thinking might be parts of culture? And what do you...
Rent or buy? The challenge of access to housing
Money & Business

Rent or buy? The challenge of access to housing

...Family offset mortgage: As above, but family members – usually parents – provide the savings account that is offset against their son’s or daughter’s mortgage. Shared ownership mortgages: The borrower buys just part of their home, reducing the size of mortgage needed. The rest is typically owned by a social landlord, to whom the householder pays rent. The aim is...
Approaching plays
History & The Arts

Approaching plays

...family men who have arrived in France must be transformed into a collective fighting machine, and he must achieve this end through oratory. In the first scene of the play the Archbishop of Canterbury has extolled the King's rhetorical skill; here we have a chance to witness it for ourselves. Activity 6 Using the annotations in our example to help you, pick out some of the...
Level 2: Intermediate 15 hrs
The economics of flood insurance
Society, Politics & Law

The economics of flood insurance

...history but becoming increasingly important globally because of the impact of climate change. Using economic theory, you will explore why market forces alone typically cannot resolve the problems associated with flooding, creating a rationale for government intervention. You will then see how a key tool of economics, cost-benefit analysis, can be applied to assess and...
Level 2: Intermediate 6 hrs
Introduction to polymers
Science, Maths & Technology

Introduction to polymers

...family of nylons centres around nylon 6,6 and 6, both invented in the 1930s, the former still popular as a fibre, although both forms are used for mouldings. A more spectacular example is aramid fibre, developed in the late 1970s in the USA, for its very high stiffness and resistance to high temperatures. These properties have resulted in aramid fibre being widely used in...
Level 3: Advanced 20 hrs
Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...family Trochilidae) studied to date, torpor, if it occurs, takes place on a daily (or more usually nightly) basis. They are able to re-warm themselves independently of T a and show an increased thermogenesis if T a falls below 18° C during the time when the bird is not searching for food. The tiny rufous hummingbird (Selasphorus rufus; Figure 3), weighing only 3.0–5.5...