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En esta asignatura se introducen los conceptos básicos de la organización de datos en soporte secundario. Se estudiarán las organizaciones base y auxiliares más extendidas, haciendo hincapié en la importancia de su elección para el buen rendimiento de los Sistemas de Información. El aprendizaje de asociaciones de archivos se apoyará en el modelo jerárquico. El conocimiento que se pretende alcanzar es fundamental para la administración de Bases de Datos en su esquema interno.
Author(s): Francisco Javier Calle,Dolores Cuadra

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Copyright 2009, by the Contributing Authors

IPL Andrew Mercer - Viruses and us - is it all bad news
"Viruses and us - is it all bad news?" Professor Andrew Mercer's Inaugural Professorial Lecture. Professor Mercer: Robert and Marjorie Webster Chair in Viral Pathogenesis, Department of Microbiology and Immunology.
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Video Culture Class: Spanish Holidays #13 - Mother’s Day
Learn more about Spanish culture with SpanishPod101.com! Ever wondered what the most important Spanish holidays are, and how they are celebrated? Then this 25-lesson video series is for you! With this series, you’ll learn the what, why, when and how of 25 well-known holidays in Spain. In this video, you’ll learn all [...]
Author(s): SpanishPod101.com

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2.8 Surface run-off

In some inland drainage areas, all water is removed by evaporation and infiltration. However, precipitation not penetrating the land surface usually runs off the surface along defined channels which have been produced by geological processes, previous storms, or possibly by people. This accelerates the process. Its eventual destination is the ocean, except, of course, where it runs to inland seas such as the Dead Sea. It is in the runoff phase of the cycle that physical intervention by humans
Author(s): The Open University

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Copyright © 2016 The Open University

Mark Twain Biography - 1835-1910 Part 3 of 5
Biography of Mark Twain in short video clips. Describes his time in the Civil War.  Includes reenactment of his experience in the taking of a life. Part 3 of 5  (1:38)
Author(s): No creator set

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2.12.1 Fluid loss

During an average day, a person in a temperate climate such as the UK, loses about 2.5 litres of water.

Activity 35

How is water lost from the body?

Author(s): The Open University

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Copyright © 2016 The Open University

5.2 Ways of organising yourself

How do you organise yourself?

Activity 12

Make a note of how you organise your:

  • emails

  • internet bookmarks or favorites

  • computer files


    Author(s): The Open University

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    Copyright © 2016 The Open University

1 Teaching and learning relationships in early childhood

In this unit we will look at how children's early experiences with their caregivers and peers contribute to the learning of new skills and problem-solving strategies. We will pay special attention to the way talk is used in teaching and learning exchanges as this is the principal means by which older, more experienced members of a society communicate social and cultural practices, knowledge and collective wisdom to younger apprentice learners.

Author(s): The Open University

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Except for third party materials and/or otherwise stated (see terms and conditions) the content in OpenLearn is released for use under the terms of the Creative Commons Attribution-NonCommercial-Share

Narwhals (Part 2)
 Unicorns of the Arctic - Narwhals  (Part 2) (podcast) by Anna Shi (15:00)

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Art Forum: Marc Leuthold
The ANU School of Art and the ACT government present the 2012 public Art Forum series. Marc Leuthold creates objects and mixed media installations. His artwork creates a dialogue between cultures, history, and the senses. Leuthold has work in major museum collections including the Metropolitan Museum of Art in New York City, the Smithsonian Museum of American Art in Washington, DC, and the Museum of Fine Arts in Boston and Houston. He has taught at Princeton University, Parsons School of Design
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Creating a Learning Society [Audio]
Speaker(s): Professor Joseph E Stiglitz, Professor Amartya Sen | Joseph E Stiglitz was chief economist at the World Bank until January 2000. He is currently University Professor at Columbia University and won the Nobel Prize for Economics in 2001. Amartya Sen teaches economics and philosophy at Harvard University, and was Master of Trinity College, Cambridge, until 2004. He won the Nobel Prize for Economics in 1998. Professor Sen is an honorary fellow of LSE. This event is supported by LSE's Dep
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Astronaut Jack Fischer Interview
Astronaut Jack Fischer talks about his training and the Fly NASA astronaut recruitment program.
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Bonheur, Sheep in the Highlands, 1857 -Smart History at Khan Academy
Rosa Bonheur, Sheep in the Highlands, 1857, oil on canvas, 46 x 65 cm (Wallace Collection, London) Speakers: Dr. Beth Harris, Dr. Steven Zucker. The Wallace Collection suggests that this painting is likely the result of a trip that the artist made to Scotland the previous year. (02:25)
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Learn the Alphabet Letters and Sounds
This cute video introduces each letter and sound of the alphabet using animals. Young learners will enjoy the cute animal pictures. Each uppercase and lowercase letter are shown on the screen as it is said aloud. The name of the animal is also displayed on screen. This is a great resource to introduce and/or to re-teach this important skill in the early childhood classroom. (1:35)
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Onomatopoeia
Onomatopoeia are words that describe a sounds.  This very short clip shows words that are onomatopoeia along with a song.  (00:30)

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Rainforest Animals of the Amazon Jungle
An otter family is saved in the Amazon jungle. The sun in shining and the Amazon Abyss spotters find a family of South American otters. (02:41)
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CVs and Letters to Employers
CV’s and Letters to Employers is one of several Futures workbooks which help students choose and prepare for their careers. Like the other workbooks in the series you can dip in and out doing the exercises which are most relevant to you. You might want to include the exercises or the output in your personal development plan or e-portfolio.
Author(s): Leeds Metropolitan University

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http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

How to Draw Simple Leaves and Vines
How to draw simple leaves and vines. In this video I will show you how to draw or doodle many different kinds of leaves and vines that you can use in your art. You can use any drawing tool such as markers, gel pens, pencils, or paint. (04:38)

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Targeting 14th Amendment
This video is about the 14th amendment and how the Republican Party would like to change the amendments requirement for citizenship. Gives statistics and would be a great start for a debate.
02:18 run time

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Teaching secondary science
This free course, Teaching secondary science, will identify and explore some of the key issues around science pedagogy in secondary schools. Through coming to understand these issues and debates, you will reflect on your practice as a science teacher and develop a greater awareness of the wider context of science education and how this affects science in the secondary school curriculumAuthor(s): Creator not set

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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

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