Vectors
Definitions and worked examples on the topic of vectors. Excellent revision aid.
Author(s): Damian Cooke

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Average September Ozone Levels over Antarctica for 1979 to 1999
Average October ozone levels over Antarctica for these years can be found in animation 1395.
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MRI Atlas: Brain (Axial) - Image Map (Lateral Surface View/3D)
Eight scans of the anatomical structures of the brain are mapped in this image from the UCLA Interactive Neurosciences MRI Atlas.
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The History of The United Nations
This three minute video is a review of the history of the United Nations using original footage. A good overview.
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Land! Water! Sky! Oh My!
This lesson focuses on the importance of airplanes in today's society. Airplanes of all shapes and sizes are used for hundreds of different reasons, including recreation, commercial business, public transportation, and delivery of goods, among many others. From transporting people to crop-dusting, our society and our economy have come to depend on airplanes. Students will discuss their own experiences with airplanes and learn more about the role of airplanes in our world.
Author(s): Alex Conner,Geoffrey Hill,Janet Yowell,Malinda Sch

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This Landfill Is a Gas!
In this activity, students work as engineers to build and observe a model landfill. They will understand the process and pitfalls of the use of landfills as a method for the waste disposal.
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Different kinds of teeth according to organism's diet
Animals can be classified by what they eat into three categories-carnivores, herbivores, and omnivores.
Author(s): Olivia Worland

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1 53 Birds Eye Sodaburst Instant Ic
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1 301 Texaco Dealers, 1950s dmbb324
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The Herding Dogs of the United Kingdom
The border collies of the Lake District are featured in this video segment from Nature.
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Using Soccer to Help Underprivileged Kids
Brad Namdar, a journalism major at SMU, founded "Dream Big" to teach soccer to low-income children. SMU helped Brad by awarding him a grant under its Big iDeas program and he was featured on a May 27, 2011, segment of "Texans with Character" by CBS 11 News in Dallas. Read more about "Dream Big" at http://dreambigsoccer.net/. Read more about SMU Big iDeas at http://smu.edu/bigideas/ See more "Texans with Character" at http://dfw.cbslocal.com/category/watch-listen/texans-with-character/
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SP.268 The Mathematics in Toys and Games (MIT)
We will explore the mathematical strategies behind popular games, toys, and puzzles. Topics covered will combine basic fundamentals of game theory, probability, group theory, and elementary programming concepts. Each week will consist of a lecture and discussion followed by game play to implement the concepts learned in class.

2.10.1 Mean and standard deviation for repeated measurements
Observation, measurement and the recording of data are central activities in science. Speculation and the development of new theories are crucial as well, but ultimately the predictions resulting from those theories have to be tested against what actually happens and this can only be done by making further measurements. Whether measurements are made using simple instruments such as rulers and thermometers, or involve sophisticated devices such as electron microscopes or lasers, there are decisio
Author(s): The Open University

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1.1.1 Chromosomes and the life cycle
This Unit looks at how units if inheritance are transmitted from one generation to the next. First you will look at what happens to the chromosones of animals and plants during the process of sexual reproduciton. Then you will examine how genes are transmitted in particular patterns from generation to generation. These two approaches combine to illustrate how the patterns of inheritance can be explained by the behaviour of chromosomes during sexual reproduction.
Author(s): The Open University

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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

Jon Huntsman to run for president
Former Utah Governor Jon Huntsman will announce his bid for the Republican presidential nomination on June 21, formally kicking off his campaign for the White House, he said at a Thomson Reuters event.
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1 Developing modelling skills
This unit is the third in the MSXR209 series of five units on mathematical modellng. It provides an overview of the processes involved in developing models, starting by explaining how to specify the purpose of the model. It then moves on to look at aspects involved in creating models, such as simplifying problems, choosing variables and parameters, formulating relationships and finding solutions. You will also look at interpreting results and evaluating models. This unit assumes that you have pr
Author(s): The Open University

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Edgar Allan Poe
This three-minute, student-created biography highlights the more important parts of Poe's life and is a good overview. It uses a narrator and paintings and other images to convey the story.
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Class of 2011 Graduation highlights
Ten months of readings, papers, exercises and complex seminar discussions paid off for the Army War College Class of 2011 as they graduated in front of friends, family, colleagues and international partners on the historic parade grounds of Carlisle Barracks. The resident class, made up of senior U.S. and international military officers and senior federal civilians, applied past experiences into today's complex security environment with new studies to develop themselves for strategic responsibil
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Velocity Distribution of Particles in Quasi-2D silo
Velocity distribution of polydisperse particles of 2 and 4mm particles poured down to a quasi-2D container.
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