Rescuing Hubble
Super slick NASA preview of the long-delayed mission to salvage the
Hubble Space Telescope, now scheduled for the first half of 2009.

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Hubble Space Telescope and Exoplanets
Three astronomers in NASA Goddard's Exoplanets and Stellar Astrophysics Laboratory discuss how Hubble's coronagraph and resulting images have helped scientists find planets orbiting distant stars. Talking heads, but some good visuals.
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Chromosomes and Cell Reproduction
Teacher-produced slide show with detailed notes on chromosomes and the cell cycle. Discusses key chromosomes and specific abnormalities that may occur. No sound. Too much text on slides, but the pictures that are included are very good and illustrate the points made. Grades 9-12. Run time 04:05.
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Mitosis
For an organism to grow, rebuild tissues, and reproduce, cells must divide. Every division requires replicating and then evenly dividing the cell's massive jumble of DNA. This video segment, adapted from the Interactive Secret of Life videodisc, follows the stages of mitosis, the systematic process that ensures that daughter cells formed when plant and animal cells divide get equal shares of DNA. Closed captioning included. (01:34)
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Cell Division: Mitosis
This video gives a detailed and visual description of mitosis within the cell. It explains the role of the  nucleus, cell membrane, chromosomes, chromatids and other components involved in mitosis. It uses appropriate terminology and can help students relate vocabulary words with the actual process. (01:29)
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Tour of the Cell
This tour of the Cell  and the organelles withing the cell includes narration of each organelle as well as its job decription. Run time 03:09.
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The Basics of Biology: Cell Structure Overview
This is a brief, professionally-produced clip from the program Cells: The Structure of Life. This segment, using simple computer animation with 'live' microscopic images, explores the structure of the cell.
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Multiply Negative Integers
The instructor explains in clear terms how to multiply negative numbers. Stationary camera in front of a white board. Good sound quality.
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Multiplying Integers
This video is from The Math Party National Standards Program and features a catchy tune to help students remember the rules of multiplying positive and negative numbers.
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Multiplying Negative numbers
This video offers an explanation of multiplying with negative numbers. This video is suitable for viewing on mobile devices and can be followed with or without audio accompaniment.
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Good Presentations: Uninitiated Presenters
The instructor starts immediately with a 'poor performance.' Good Presentations: Uninitiated Presenters. Part of the series: Physical Delivery for Good Presentations. For presentations, uninitiated presenters are not aware of the impact of their physical delivery. Discover how the uninitiated do presentations from a teacher, presenter and facilitator. (02:01)
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Tonga 1 Presentation - Polynesian Cultural Center - Hawaii
Tonga presentation at the Polynesian Cultural Center in Hawaii. It is a video of many Tongan traditional dances. (Semi-professional video about Tongan culture)

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Tonga 2 Presentation - Polynesian Cultural Center - Hawaii
Tonga Presentation at the Polynesian Cultural center in Hawaii
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Oceania - Cook Islands - Traditions - Part 1
Professional video that shows some of the traditions of Oceania. Music and film but no narration.

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Oceania - Cook Islands - Traditions - Part 2
Originally coined by the French explorer Dumont d'Urville in 1831, Oceania has been traditionally divided into Micronesia, Melanesia and Polynesia. Traditional dance, song, and the modern people of the area are featured. (Professional video but no narration)

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Egypt - and the Surrounding Region
This is a short (two minutes) information-filled video concerning Egypt and the regions around it.
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Grapher- A Virtual Manipulative
Grapher is a tool for graphing and exploring functions. There are instructions to the right of the manipulative.  This virtual manipulative allows the learner to explore and interact with functions.
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Five Basic German Greetings
5 Basic German Greetings: Hello, Thank you, Goodbye, How are you?, and Please. The host says each German phrase twice. (47 seconds)
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De brandblusser en zijn gebruik: "L'extincteur à votre service"
Op het einde van deze les kun je uitleggen hoe je op een correcte manier een brandblusser moet gebruiken. Bovendien komen brandpreventie thuis en in een hotel ter sprake in deze les.
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