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Ocean acidification
Around half of the carbon dioxide we've pumped into the atmosphere so far has been absorbed by the oceans. While at first this might sound like good news, one side effect is that sea water is becoming acidic, which is bad news if you live in it.
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Soils that hate water
At school we're taught that soils absorb water. But what we're not told is that some behave unexpectedly and repel water. This seemingly minor detail can cause major problems, as science writer and broadcaster Richard Hollingham finds out.
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Forecasting future famines
Today at the Sustainable Development UK 09 conference in London, the UK government's chief scientific advisor, Professor John Beddington, predicts a "perfect storm" of food, energy and water shortages by 2030.
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効率化されたワークフロー
Premiere Pro CS5の新しいワークフロー機能をご紹介します。HDVのシーン検出機能、トリミング機能や、Media Encoderでのインタレース設定などについて学びます。
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Life in the ice
The 20 million square kilometres of sea ice that surrounds Antarctica every winter is made of more than just water. It contains million of microscopic creatures.
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Climate change special
As the world talks global warming, we go to one of the chilliest places in Europe - the British Antarctic Survey's (BAS) ice core store - to find out what evidence there is for manmade climate change.
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Geoengineering, wind and sea squirts
This week we talk to two researchers about the technological solutions some scientists say we might have to use to tackle climate change.
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Horrific Hurricanes
Despite gobs of data, it is still difficult to accurately predict the path and intensity of a hurricane. How are these predictions made? Are they getting more reliable? Will hurricanes be affected by global warming? And, while we're at it, what gets a hurricane turning in the first place?
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Grammar Lesson 20: This Just Isn't Spanish, Adapting to Handicapped

  • asset title: Grammar Lesson 20: This Just Isn't Spanish, Adapting to Handicapped
  • filename: tafalado_gra_20.mp3
  • track number: 46/46
  • time: 11:03
  • size: 7.77 MB
  • bitrate: 96 kbps
Oh man, where did this word come from? After a whole series of lessons in pronunciation and grammar ... and now we learn a whole bunch of word
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Chem 131B: Molecular Structure and Elementary Statistical Mechanics

Principles of quantum mechanics with application to the elements of atomic structure and energy levels, diatomic molecular spectroscopy and structure determination, and chemical bonding in simple molecules.
Author(s): (Rachel Martin)

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1 Springs
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. In the UK there area areas where water supplies are limited, shown by recent droughts. Globally, there are many areas that do not have enought water to support the currently population adequately. Decisions will have to be made on the best way to use water in a
Author(s): The Open University

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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

comp1204_05: Grep and RegExp
comp1204_05: Grep and RegExp - UNSPECIFIED Keywords:UNSPECIFIED
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Physics 21: Science from Superheroes to Global Warming
Have you ever wondered if Superman could really fly? What was Spiderman's spidey sense? How did Wonder Woman's invisible jet work? What does it really mean for something to be a scientific "fact"? Explore how science works and what constitutes "good" science through case studies drawn from a wide spectrum of people's experience, for example superheros, movies, and real world issues such as global warming. The case studies will provide the chance to act as science critics as the students develop
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Introduction to the Global Catastrophes Risk Conference 2008
Nick Bostrom provides an introduction to the Global Catastrophic Risks Conference and briefly addressing some of the key themes running through it.
Author(s): Nick Bostrom

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A Laboratory Teaching Model Which Trains Students to Exercise Discretion: Evaluating Water Quality
Rather than give students specific prescriptive laboratory procedures, this method provides the student with a task, two or three procedural steps, and a list of resources available to accomplish the task. The method is illustrated in this chapter by an activity in which the student evaluates the quality of water from several unknown sources using abundance if indicator organisms and diversity as criteria.
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Aquatic Food Web Interactions: Microcosms as Lake Models
A laboratory exercise for increasing knowledge of trophic cascades in aquatic ecosystems has led to a better understanding of several basic ecological tenets, including competition, predation, and a variety of other community-level food web interactions using microcosms from whole water plankton collections.
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Washington Rules: America's Path to Permanent War
Washington stubbornly sticks to national security policies that don’t work, are devoid of moral considerations, sap the Treasury and rob future generations, says Andrew J. Bacevich. In a brief talk that leads to a candid and sometimes impassioned give and take with his audience, Bacevich describes a national security consensus
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8 Summary
Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterise those two sources. Each alternative source supplies energy continually, whether or not we use it. This unit considers one of these alternative sources, geothermal energy derived from the interior heat of the Earth, and the potential for this alternative to supplant fossil and nuclear fuel use to power social needs fast enough to avoid t
Author(s): The Open University

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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

7 The pros and cons, and future of geothermal energy
Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterise those two sources. Each alternative source supplies energy continually, whether or not we use it. This unit considers one of these alternative sources, geothermal energy derived from the interior heat of the Earth, and the potential for this alternative to supplant fossil and nuclear fuel use to power social needs fast enough to avoid t
Author(s): The Open University

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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

4 Locating high-enthalpy geothermal fields
Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterise those two sources. Each alternative source supplies energy continually, whether or not we use it. This unit considers one of these alternative sources, geothermal energy derived from the interior heat of the Earth, and the potential for this alternative to supplant fossil and nuclear fuel use to power social needs fast enough to avoid t
Author(s): The Open University

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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

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