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EN-1. Introduction to agriculture (Vidéo)

Etienne Hainzelin proposes an overview of the main steps of the agriculture evolution since the Neolithic. He shows the current importance of this activity, from a socioeconomic point of view. He also evidences the extreme specialization of the human populations, who get 90% of their calories from only 30 species.

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Yuri’s Night Greeting from Expedition 43 Commander Terry Virts
Expedition 43 commander Terry Virts of NASA took time to send a special message to celebrators around the globe recognizing the anniversary of the first human space flight. On April 12, 1961, Russian cosmonaut Yuri Gagarin became the first human in space, making a 108-minute orbital flight in his Vostok 1 spacecraft. Space cooperation has been a hallmark of U.S.-Russia relations, including during the height of the Cold War, and most notably, in the past 14 consecutive years of continuous human
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4.3.2 Wave power

When winds blow over the world's oceans, they cause waves. The power in such waves, as they gradually build up over very long distances, can be very great – as anyone watching or feeling that power eventually being dissipated on a beach will know.

Various technologies for harnessing the power of waves have been developed over the past few decades, of which the 'oscillating water column' (OWC) is perhaps the most widely used. In an OWC, the rise and fall of the waves inside an enclosed
Author(s): The Open University

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The emerging SSME agenda
Services science has become one of the major areas of research into the nature of innovation within organisations and within national economies. Judge Business School, in conjunction with IBM, a leading organisation at the vanguard of services science research, recently designed an elective on services sciences for its current MBA class. Key speakers Kevin Bishop, Vice President, Marketing and Communications, Northeast Europe, IBM, Michael Lyons, Manager, BT Group Chief Technology Office, and Da
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4.3.5 Domestic campaigns

An important aspect of efforts to reduce nutrient inputs to water bodies is the modification of domestic behaviour. Public campaigns in Australia have encouraged people to:

  • wash vehicles on porous surfaces away from drains or gutters

  • reduce use of fertilizers on lawns and gardens

  • compost garden and food waste

  • use zero- or low-phosphorus detergents

  • wash only full loads in washing machines


    Author(s): The Open University

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Water in the UK
Water is arguably the most important physical resource as it is the one that is essential to human survival. Understanding the global water cycle and how we use water is essential to planning a sustainable source of water for the future. Globally, there are many areas that do not have enough water to support the current population adequately. Decisions will have to be made on the best way to use water in a world where there is climate change. This free course looks at Water in the UK where water
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Sea Ice Growth: Mushy layers, Convection and Brinicles
Joe Hitchen, Oxford University Physics Department, describe the different stages of sea ice growth and the formation of hollow tubes of ice in the ocean known as brinicles. Every year, millions of square kilometres of the Arctic ocean freeze over as sea ice forms but this growth is controlled by processes on the scale of millimetres and centimetres. At this scale, sea ice is not a pure solid but a mixture of ice crystals and concentrated brine known as a "mushy layer". I will describe the differ
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2.3 Movie 6 - Jupiter Hot Spot

Jupiter Hot Spot

View document157.6KB video/quicktime

In this movie c
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1.4 Rights

Rights is a word that is used in different ways. Lawyers use it to indicate that a person is entitled to something, for example not to be dismissed unfairly from their job or to sue for damages if they have been sold faulty goods. Others sometimes talk of rights when they are making a moral claim, for example that they ought to be allowed to demonstrate or that a particular law is unjust or unfair. In this course we use rights primarily in the first sense, i.e. when we are talking about the a
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2.4.1 Electromagnetism and fields

When Newton wrote about 'The System of the World' in Part 3 of Principia, the only forces he could discuss in any detail were the contact forces that arose when one object touched another, and gravity, which acted at a distance. Even so, Newton thought that there were other forces at work in the world, and hoped they might eventually be brought within his overall scheme just as gravity had been. In fact, Newton wrote:


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4.2.1 Figure 9a: A selection of 35 mm SLR film cameras

Figure 9a
Copyright © IPC Media Ltd ©
Copyright © IPC Media Ltd
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7.8 Summary of Section 7

This section has sought to illustrate the formation of connections between neurons and their targets by exploring a few examples. The picture that emerges is one of cells at different stages of development subjected to a vast array of signals. These signals are the medium through which environmental factors exert their effects. To some of these signals, some cells respond; to other signals, other cells respond. What a cell, a neuroblast, a growth cone actually does is dependent on the combina
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Artificial Intelligence: from chess playing computers to artificial consciousness?
Prof. Lionel Tarassenko : Course
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5.2 Blair's babe

The ESRC report demonstrated the high awareness amongst the public of the Leo Blair issue, in spite of it not being the most prominent aspect of the media coverage. In December 2001, during Prime Minister's Questions in the House of Commons, Tony Blair was asked whether his infant son had been immunised with MMR. Mr Blair declined to answer on the basis that it was a private family matter. The perception in the media was that if Leo had been immunised, Mr Blair would have been happy to say so
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3.063 Polymer Physics (MIT)
This course presents the mechanical, optical, and transport properties of polymers with respect to the underlying physics and physical chemistry of polymers in melt, solution, and solid state. Topics include conformation and molecular dimensions of polymer chains in solutions, melts, blends, and block copolymers; an examination of the structure of glassy, crystalline, and rubbery elastic states of polymers; thermodynamics of polymer solutions, blends, crystallization; liquid crystallinity, micro
Author(s): Thomas, Edwin (Ned)

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18.417 Introduction to Computational Molecular Biology (MIT)
This course introduces the basic computational methods used to understand the cell on a molecular level. It covers subjects such as the sequence alignment algorithms: dynamic programming, hashing, suffix trees, and Gibbs sampling. Furthermore, it focuses on computational approaches to: genetic and physical mapping; genome sequencing, assembly, and annotation; RNA expression and secondary structure; protein structure and folding; and molecular interactions and dynamics.
Author(s): Lippert, Ross

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3.5 The story so far

I have been discussing ethics as related to labelling things as ‘good’ and ‘bad’ or using more parochial words as substitutes. Different kinds of things could be said to be ‘good’ or ‘bad’, including means, ends, relationships, feelings, appearances, radiation levels and so on. The big ethical problem is how to combine this variety of things to reach a judgement, especially when combining them, it is possible that we end up with ambiguity or contradictions. I have explored the
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20.440 Analysis of Biological Networks (BE.440) (MIT)
This class analyzes complex biological processes from the molecular, cellular, extracellular, and organ levels of hierarchy. Emphasis is placed on the basic biochemical and biophysical principles that govern these processes. Examples of processes to be studied include chemotaxis, the fixation of nitrogen into organic biological molecules, growth factor and hormone mediated signaling cascades, and signaling cascades leading to cell death in response to DNA damage. In each case, the availability o
Author(s): Essigmann, John,Sasisekharan, Ram

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Money talks: One Belt One Road

What now for Fiat Chrysler after Sergio Marchionne’s departure? How America and Europe are tightening rules on foreign direct investments. And China’s Belt and Road Initiative - a benevolent gift to connect the world or a highway to world dominance?  Helen Joyce hosts



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BeenBoo-ed

BeenBoo-ed
A mathematical challenge for middle school students Questions: Following the rules of the game, how many houses will be BOO-ed in
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