Tikal: The Lost Mayan Civilization
This 2:50 long video shows highlights of this area and some facts are presented. It is meant as a travel video, but it does give students a look at what this area looks like.
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ISS Update - May 29, 2012
The International Space Station video update for May 29, 2012.
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Visual Studio Toolbox: Visual Studio 2012 Release Candidate | Visual Studio Toolbox

In this episode, Jason Zander joins us to celebrate the availability of Visual Studio 2012 Release Candidate. Jason shows off a number of features that have been added to Visual Studio since Beta, including

Composers For Kids - Beethoven Sonata
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организация и проведение собеседований с управленчес

организация и проведение собеседований с управленческими командами образовательных

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3 Where do earthquakes occur?

How deep in the Earth do earthquakes occur? Most earthquake foci are within a few tens of kilometres of the surface. Earthquakes less than 70 km deep are classified as shallow-focus. Earthquakes with foci 70-300 km deep are classified as intermediate-focus and those below 300 km are deep-focus (Figure 7). Shallow-focus ea
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Copyright © 2016 The Open University

Quasars - Khan Academy
Quasars (09:15)
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Giotto, The Ognissanti Madonna, 1306-10
Giotto, The Ognissanti Madonna, 1306-10, tempera on panel, 128 x 80 1/4" (325 x 204 cm). Painted for the Church of Ognissanti, Florence (4:05)
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Science Bulletins:Mississippi Floods Leave Historic Wake
Once a meandering river, the Mississippi is now constrained by development and levees lining its banks, leaving communities vulnerable during extreme high-water periods. The floods in May and June 2011 were the worst since 1927.
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National Geographic Kids - Rana Guarda Agua (en español)
¡Imagínese! Una rana que puede sobrevivir sin agua o comida durante dos años. Esta pequeña rana australiana hara lo que sea por sobrevivir en tiempos difíciles. Utiliza su cuerpo como una cantimplora, sus ancas como palas y su piel como un capullo. (2:06)
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Digestion Simulation
To reinforce students' understanding of the human digestion process, the functions of several stomach and small intestine fluids are analyzed, and the concept of simulation is introduced through a short, introductory demonstration of how these fluids work. Students learn what simulation means and how it relates to the engineering process, particularly in biomedical engineering. The teacher demo requires vinegar, baking soda, water and aspirin.
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Strong as the Weakest Link
To introduce the two types of stress that materials undergo compression and tension students examine compressive and tensile forces and learn about bridges and skyscrapers. They construct their own building structure using marshmallows and spaghetti to see which structure can hold the most weight. In an associated literacy activity, students explore the psychological concepts of stress and stress management, and complete a writing activity.
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Elizabeth Tanner (Stanford)
Suppressing antiviral resistance via dominant drug targets
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Origen del teatro y tragedia griega - en español - parte 3 de 3
Este video da una breve introducción al teatro y a la tragedia griega. Hecho para niños jovenes de 7 años en adelante. (2:02)
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Mark Russinovich: On Windows Azure IaaS, Sysinternals, Trojan Horse, Cybersecurity

Microsoft Technical Fellow Mark Russinovich joins us for an impromptu conversation about what he's been up to lately. Topics include the newly added Windows Azure Infrastructure as a Service (IaaS) support (as part of the Windows Azure June 2012 Release), virtual machines, software
Author(s): Charles

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Keynote - Satya Nadella | TechEd North America 2012
Microsoft's senior leaders share their vision for the future of IT and demonstrate Microsoft's strategy for executing this vision through current and soon-to-release solutions.
Author(s): Satya Nadella, Jason Zander

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1.3.2 Systems diagrams and diagrams helpful for systems work

Diagrams are used extensively in systems thinking and practice. All of those types included in the animated tutorial, as well as other types not covered there, can or have been used in systems studies. As mentioned at the beginning of the unit the use of diagrams is very personal. For instance I find it helpful to group diagrams into three sorts depending on when they are to be used:

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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

1.2.1 Influences on how we perceive diagrams

A few people find diagrams unhelpful; but many people who regularly use words find the discipline of conveying ideas in diagrammatic form both sharpens their understanding of the ideas and opens their eyes to alternative views. Diagrams are, like words, intensely personal ways of sharing information and seeing someone else's ideas in diagrammatic form can give a new view of what they are trying to communicate. Diagrams can also suggest new and unexpected relationships between ideas about a si
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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

Dollar Diversification Helps Euro
June 30 - The diversity of euro zone economies means investors can chose which risk they take on and this should help maintain the single currency's strength despite the Greek debt crisis, two top analysts say.
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4.6 Polymer grades

Polymers synthesised by a variety of routes are available in many grades from the large polymer manufacturing companies. Naturally enough, the grades of bulk tonnage polymers, such as LDPE, PVC, HDPE and PP, run into the hundreds simply because of the multiplicity of different process routes and end functions. So what are the basic differences between grades of just one polymeric material? The most important distinguishing characteristics are structure and molecular mass.

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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