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Causal loop diagrams
Science, Maths & Technology

Causal loop diagrams

...change. ‘B’ or ‘R’ denoting balancing or reinforcing feedback loops, respectively. Conventions The words or phrases represent variables. The arrows represent links between the variables, with the assumption that when variable A changes, variable B changes. A relationship where a change in A leads to a change in B in the same direction is denoted by an ‘s’...
Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...changing climate, so that the ground is still covered with snow when the marmots arouse from hibernation (earlier than used to be the case), making food hard to find. Summary of Section 1 Hibernation is a physiological and behavioural adaptation whose function is to maximize energy efficiency in animals remaining in the same area the whole year round. It is an alternative...
The Jewish Ghetto of Renaissance Venice
History & The Arts

The Jewish Ghetto of Renaissance Venice

...providing credit to high risk groups Jews could help boost consumer spending. But did this relative tolerance last? Later in the 16th century life became much more difficult for Venetian Jews. Depending on the economic and cultural climate of the day, the Jewish community was either fostered or hounded. Venice, amongst the cities in Europe, was not unique in this regard....
Sands of time
Science, Maths & Technology

Sands of time

...climate. Other rocks may have much coarser grains that resemble sand or even pebbles. These may have formed along ancient coastlines, on beaches, sand dunes and in rivers, in much the same way as they are today. If they are red in colour, such as along the Devon coastline, they may have been deposited in an ancient desert. The red colour is due to the presence of iron...
Activity 5 mins
The Eagle has landed within the OpenLearn community
Money & Business

The Eagle has landed within the OpenLearn community

...Climate and Nature, AI, FinTech, Games and Digital Security sectors, giving them a facilitated environment to collaborate and innovate. Want to join our vibrant community, or explore what Barclays Eagle Labs have to offer? Connect with us though the Open University dedicated webpage and join our network of UK entrepreneurs. Whether you’re a start-up, scaleup, corporate...
Milton Keynes: energy capital of the UK?
Nature & Environment

Milton Keynes: energy capital of the UK?

...climate. Their energy efficiency measures are now part of everyday life and better known as the Energy Performance Certificate (EPC)...The Open University was founded back in 1969 and set up its Walton Hall campus amongst green fields in the new town (now city) of Milton Keynes, about 50 miles North West of London. This was a golden opportunity to influence the design of...
My OpenLearn account
Get Started

My OpenLearn account

...change my name and email details? 1. Name change in your OpenLearn profile 'My OpenLearn' is your user profile. To amend your profile name, click on 'My OpenLearn', which is displayed near the top of each page, and select ‘Edit my profile and display settings’. You can control what information you share with other people - allowing you to choose if you want to learn...
Does the US have a legal obligation to accept refugees?
Society, Politics & Law

Does the US have a legal obligation to accept refugees?

...change misogynistic laws on abortion. However, a country as powerful as the US can easily set aside international legal obligations to which they had previously adhered. So I would be surprised to see any “punishment” from the international community. If the international community is genuinely outraged by this decision, other countries need to start planning to...