17.042 Citizenship and Pluralism (MIT)
This course will serve as both an introduction to contemporary political philosophy and a way to explore issues of pluralism and multiculturalism. Racial and ethnic groups, national minorities, aboriginals, women, sexual minorities, and other groups have organized to highlight injustice and demand recognition and accommodation on the basis of their differences. In practice, democratic states have granted a variety of group-differentiated rights, such as exemptions from generally applicable laws,
Author(s): Song, Sarah

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"Just In Case"- A Song About Saving
This is a nice song about saving the money you earn.  This song teaches good lessons about being ready for unexpected costs in life and being responsible.  This could also be used to teach about why author's use evidence and reasons to support a point by asking questions about why the song uses so many examples to make its point.  Also, discuss why the writer of the song used the examples he used (e.g. examples appeal to kids).  (03:00)
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Bytesize Science: The Chemistry of Acne
Here is some good news for you: you can blame the sounds and odors that come from your body on bacteria. Yup -- those little critters are the ones responsible for a lot of what goes on inside our bodies. People can be uptight about all these bodily sights and smells, but understanding the science behind what may appear gross may make these things a little less gross. Some key vocabulary words include sebum, bacteria, pore, whitehead, blackhead, benzoyl peroxide, and benzoyl radicals. (03:58
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5.2 Other transmission media

Wires are still used to carry electrical signals over short distances. At the time of writing, for example, most connections between telephones in private houses and the local telephone exchange still use wires. The telephone networks within office buildings are mostly connected with wires, and so are many computer networks (local area networks, LANs) within single buildings. However, all longer-distance communication, between towns, cities or countries, uses either optical fibre or microwave
Author(s): The Open University

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1.10 Changing sea-level

Sedimentary rocks reveal how environmental conditions in Britain's geological past were extremely different from those of the present day (in fact ‘Britain’, like the rest of the Earth's geography is transitory when viewed in terms of the very long span of geological time). As well as evidence from sedimentary rocks, recent landforms also indicate that in the more recent geological past (within the Quaternary Period), sea-level was not the same as it is at present.

Author(s): The Open University

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2.2.1 Surfaces without boundary

Examples of surfaces without boundary are a sphere and a torus. Other examples are the following:

n-fold toruses

Figure 13 depicts a 2-fold torus and a 3-fold torus, with two and three rings respectively. An n-fold torus, for any positive integer n has n rings. (A
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Multiplication Facts for the 8s
Set to music, students will have the eight times table memorized in no time. Equations appear one by one on a slide with a black background. Call and response chants for each equation. Repeats several times. (6:23)
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Prof David Stasavage: Taxing The Rich: A History Of Fiscal Fairness In The US And Europe
In this IPR Public Lecture Professor David Stasavage - Julius Silver Professor and Chair in the Wilf Family Department of Politics at New York University - discusses his latest book: Taxing the Rich: A History of Fiscal Fairness in the United States and Europe. The book, and the lecture, draw on unparalleled evidence from 20 countries over the last two centuries to provide the broadest and most in-depth history of progressive taxation available. Stasavage explores the intellectual and politica
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Learning outcomes

After studying this course, you should be able to:

  • discuss what ethics is and what constitutes an ethical issue

  • identify and discuss ethical issues that arise in the media, in routine conversations and, in particular, in personal everyday professional practice

  • discuss the role of emotions in ethical deliberations

  • discuss how negotiation might resolve apparent ethical differences

  • identify and discuss the ethical issues p
    Author(s): The Open University

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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions). This content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Grateful acknowledgement is made to the following sources for permission to reproduce materia
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4.6 Postscript to Section 4

This section has considered a small number of chemical pollutants of water and has examined what is known about their harmful effects on animals, humans and the environment. You should be aware of a number of important general points that arise from what you have read. First, there is an enormous variety of chemical pollutants; you have read about only a few. Secondly, the evidence that chemical pollutants are potentially harmful is often more convincing from studies of animals than it is fro
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2 Preparing for the course

You are required to engage with some preparatory work before the start of the course. The first activity – ‘Preparation of research summary’ – will allow us to orient the various sessions towards your specific experiences. Please complete this activity now following the instructions provided below.

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21W.747 Rhetoric (MIT)
This course is an examination of the theory, the practice, and the implications of rhetoric & rhetorical criticism. This semester, you will have the opportunity to deepen many of your skills: Analysis, persuasion, oral presentation, and critical thinking. In this course you will act as both a rhetor (a person who uses rhetoric to persuade) and as a rhetorical critic (one who analyzes the rhetoric of others). Both the rhetor and the rhetorical critic write to persuade; both ask and answer imp
Author(s): Strang, Steven

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3: Work done against gravity - gravitational potential energy

So far we have only considered objects falling under gravity. Let's now consider the work done when we lift an object. In order to lift an object that has mass m, we have to apply an upward force mg to overcome the downward force of gravity. If this force raises the object through a height h, then the work done is:

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Edgar Allan Poe Biography, Part 1
Part 1 of the life of the literary great, Edgar Allan Poe.  Who was Poe, the man both blessed and cursed by genius?  Arts and Entertainment television program audio track, without video, played over a still image of Poe.   Well documented, well written historical biography includes some parts of primary documents, e.g. letters, read by professional actors.  Includes portions of interviews with Poe scholars.  (9:19)
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Islam and Evolution: Is there a controversy?
Dr Rana Dajani : Lecture
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1.2.1 Summary

  • The passport example illustrates the tension between how I see myself and how I am seen by others, between the personal and the social.

  • Institutions such as the state play an important role in constructing identities.

  • Difference is very clearly marked in relation to national identity.

  • Such official categories contain omissions and cannot fully accommodate the personal investment we have in our identities, n
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Economic Update: Listen, Prof. Krugman
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3.6.1 Radioactivity and bugs!

Many natural processes involve repeated doublings or halving at regular intervals. You may have come across this already in your work, in the context of bacterial growth or radioactivity. In this section, we are going to look in more detail at bacterial growth and radioactivity and we will be using graphs to examine how the numbers of bacteria or numbers of radioactive atoms change over time.


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Atelier théorie cinétique des gaz
Simulation (sous forme d'un applet Java) qui permet de donner une signification microscopique aux notions de température et de pression.
Author(s): Chantal Duprez

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Droits réservés aux auteurs.