3,165 search results

Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...work out why different animals adopt their own strategies. Elephant shrews (Elephantulus myurus), which live in the relatively moderate climate of southern Africa for example, reduce their T b to one of the lowest levels seen in mammals in which frequent torpor bouts are observed. Torpor occurs with complete recovery about five times a day over the winter months, with the...
Introduction to Arabic
Education & Development

Introduction to Arabic

...works that is very different (or also similar!) to languages you already speak, or if you have holidays booked, it is nice to demonstrate an interest in the local culture by speaking in the local language where possible. If you would like to become fluent enough to hold a conversation, it’s important that you manage your expectations. Studying alone can only get you so...
Level 1: Introductory 4 hrs
Golden Globe Ocean Race: Global Biodiversity
Nature & Environment

Golden Globe Ocean Race: Global Biodiversity

...work of Humboldt because they rely on the geographic linkage between biology, in this case species richness, and data on the physical properties of the world. However, the lack of scientific consensus on the exact cause of the LDG is problematic because it means that we do not fully understand the mechanisms responsible for the geographic variation in species richness. It...
Nuclear power: friend or foe?
Society, Politics & Law

Nuclear power: friend or foe?

...work here, and you may want to get into the subject more deeply. At this point you may also wish to pause and use the Comments section below to discuss your ideas with other students. But to do this exercise within the time suggested you will just need to grasp the key points. The important thing is that you think about the questions and about your reaction to...
Level 2: Intermediate 2 hrs
The impact of technology on children's physical activity
Health, Sports & Psychology

The impact of technology on children's physical activity

...working towards changing their daughter’s use of technology. Although this is aimed at parents, it provides a useful insight into how some families use technology and the impact of this on their children’s physical activity levels. Now think back to when you were a child growing up, and answer the following questions: What technology did you have access to? How did...
Geological processes in the British Isles
Science, Maths & Technology

Geological processes in the British Isles

...work is successful, it cannot indicate how wide a past ocean was, even though the suture zone can often be detected marking where its closure is located. To estimate the width of past oceans, additional information such as palaeomagnetic data or fossil evidence needs to be used...Geological processes in the British Isles: 4.3 Continental extension - Understanding how and...
Unsolved problems in cosmology
Science, Maths & Technology

Unsolved problems in cosmology

...work, and why are they difficult to undertake? c.What methods might enable the detection of axions? Discussion a.The two currently favoured dark matter candidates are weakly interacting massive particles (WIMPs) and axions. WIMPs could result from theories of supersymmetry that extend the standard model of particle physics. Axions are a popular candidate because – in...
Level 2: Intermediate 6 hrs
Introduction to finite element analysis
Science, Maths & Technology

Introduction to finite element analysis

...working loads, there are some additional worst cases in the form of practical tests. Such tests are vital in assessing performance and harnessing data on the properties of the material used, one reason being that the material properties are not quite as easy to determine as are the hub’s steel properties. Video 4...Introduction to finite element analysis: Step 1 – The...