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Science Bulletins: Seeking Spiders—Biodiversity on a Different Scale
Recognizing the tiny species of any ecosystem is hugely important for defining its overall diversity. But miniscule forms of life are often invisible to conservation efforts because they have yet to be described in detail. Dr. Norman Platnick of the American Museum of Natural History is leading an important initiative to discover biodiversity on a smaller scale. Having devoted decades to the study of spiders, Dr. Platnick now leads a team of 45 investigators from 10 countries in the largest-ever
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Java OOP: Runtime Polymorphism through Inheritance
Richard Baldwin
With runtime polymorphism, the selection of a method for execution is based on the actual type of object whose reference is stored in a reference variable, and not on the type of the reference […]

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Profile: Norman Platnick
Dr. Norman Platnick, Curator Emeritus in the Division of Invertebrate Zoology, oversaw the new Museum exhibition, Spiders Alive! Dr. Platnick's current research focuses on the spider family Oonopidae (the goblin spiders). He heads a National Science Foundation-funded Planetary Biodiversity Inventory project involving more than 45 arachnologists in 12 countries. Although only about 500 species of these small spiders have been described, Dr. Platnick and his colleagues estimate that there are abo
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Cardinal Directions
Moving north, south, east and west, find your way out of a maze. The second activity involves following a series of directions to identify some magic numbers.
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Mineralogy Visualization Materials
This collection features examples of using visualization in teaching and includes concept maps, microscope videos, and animations of crystal structures. The concept maps are used to show how information can be linked. The scope videos are used to show how optical properties change as a function of orientation. These videos show minerals in plane polarized light, cross polarized light, and conoscopic illumination. The structure animations are used to give students a 3D view of mineral structures.
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Introduction

The scientific theory of plate tectonics suggests that at least some of these Arctic lands were once tropical. Since then the continents have moved and ice has changed the landscape. This unit will concentrate on evidence from the last 800,000 years using information collected from ice cores from Greenland and Antarctica, and will use this evidence to discuss current and possible future climate. The cores show that there have been nine periods in the recent past when large areas of the Earth
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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

1 Modelling with Fourier series
This unit shows how partial differential equations can be used to model phenomena such as waves and heat transfer. The prerequisite requirements to gain full advantage from this unit are an understanding of ordinary differential equations and basic familiarity with partial differential equations.
Author(s): The Open University

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Introduction

This key skill focuses on developing your skills in Working with others and applying these skills in your studies, work or other activities over a period of time. To tackle all of this key skill you will need to plan your work over at least 3–4 months to give yourself enough time to practise and improve your skills, to seek feedback from others, and to monitor and evaluate your performance.

A main purpose of this key skill is to guide you through the management of a group activity cul
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4.3 Market segmentation and targeting
Never before have social issues been more at the centre of public and private debate. From concerns about sustainability and the future of the planet to the introduction of smoking bans, there is a growing recognition that social marketing has a role to play in achieving a wide range of social goals.
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1 Unit overview
Never before have social issues been more at the centre of public and private debate. From concerns about sustainability and the future of the planet to the introduction of smoking bans, there is a growing recognition that social marketing has a role to play in achieving a wide range of social goals.
Author(s): The Open University

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Compressive processing of manifold-modeled data
Marco Duarte
This module outlines the connection between compressive sensing and random projections of manifolds.
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How old is the universe? (part 6)
Watch video of Vanderbilt Professor David A. Weintraub speaking April 27 on “How Old is the Universe?” as part of the Osher Lifelong Learning Institute. David A. Weintraub is professor of astronomy, director of the Communication of Science & Technology program, and director of Undergraduate Studies for Department of Physics & Astronomy at Vanderbilt University.keep reading »
Author(s): Norma Clippard

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Rights not set

Mandy Carter: “Justice or Just Us?”
Watch video of a Feb. 8 talk by Mandy Carter, one of the leading African American lesbian activists in the country. In “Justice or Just Us?” she discusses the LGBTQI movement’s difficulty in acknowledging paths blazed by the women’s movement and the Black Civil Rights movement, challenging everyone to build a movement truly representative ofkeep reading »
Author(s): Vanderbilt News Service

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Rights not set

7 Renewable and non-renewable energy supplies
Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are many different sources of energy, some well-known such as coal or petroleum, others less so, such as tides or the heat inside the Earth. Is nuclear power a salvation or a nightmare? This unit provides background information to each resource, so that you can assess them for yourself.
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4.1 Natural stores of carbon
Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are many different sources of energy, some well-known such as coal or petroleum, others less so, such as tides or the heat inside the Earth. Is nuclear power a salvation or a nightmare? This unit provides background information to each resource, so that you can assess them for yourself.
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References

Amnesty International (1999) Child Soldiers: one of the worst abuses of child labour, London, Amnesty International (AI Index IOR 42/01/99).
Bandura, A. (1977) Social Learning Theory, Englewood Cliffs, NJ, Prentice-Hall.
BBC Online (2001) Paramilitary-style attacks double, http://www.news.bbc.co.uk/hi/english/uk/northern_ireland/newsid_1 503000/1503496.h
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5.3 Groups and conformity
The most ‘important and greatest puzzle’ we face as humans is ourselves (Boring, 1950, p. 56). Humans are a puzzle – one that is complex, subtle and multi-layered, and it gets even more complicated as we evolve over time and change in different contexts. When answering the question ‘What makes us who we are?’, psychologists put forward a range of explanations about why people feel, think and behave the way they do. Just when psychologists seem to understand one bit of ‘who we are’
Author(s): The Open University

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Unforseen problems
Je beleefd verontschuldigen in een informatieve brief.
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Fire dogs
Op het einde van deze les kun je inhoudsvragen beantwoorden over een interview over honden die door de brandweer worden ingezet.
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Working in PDF Portfolios
This video explains how to work in a PDF Portfolio in Acrobat X Pro.
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