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Trading at Noon: Groupon Googled? Icahn eyes HP-reports
Dec 10 - Groupon shares slump 5 pct today after surging on reports of a possible bid by Google, and HP moves up on rumors of interest from Carl Icahn.
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INFO2009 2012-13 Resource Group 22 E-commerce
INFO2009 2012-13 Resource Group 22 E-commerce - UNSPECIFIED Keywords:E-commence
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Extraterrestrial, Elucidated

A film featuring Professor Dave Pritchard.

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Quote from Alien Discussions: Proceedings of the Abduction Study Conference Held at M.I.T., Cambridge, MA

Conference image courtesy Open Minds: UFO News and Investigations.

Novel images courtesy Yahoo Images.

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Music credits as follows:

Scaramouche 2, Modere; Claude De
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ISS Update - Dec. 11, 2012
The International Space Station video update for Dec. 11, 2012.
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Trading at Noon: Morgan Stanley eyes share buyback
Dec 11 - Morgan Stanley mulls seeking approval from regulators for share repurchases; Facebook bounces on recommendation
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September 16


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Science experiment: How to get an Egg inside a Bottle

This video shows you how to get a hardboiled egg in a bottle even though it does not fit through the opening. It is possible to do this without breaking the egg.

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Author(s): harvey

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$1 Image Stabilizer For Any Camera - Lose The Tripod

This instructional video shows you how to build a small, light weight video or photo camera stabilizer for less than $1.

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Author(s): EduTube

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Cinemagraphs: The new animated GIF?

I thought this might be a fun and creative task to try with your kids.

Animated GIFs, that are a sequence of images on top of each other, as a miniature movie are always fun to watch. Be it a small portion of a movie, a cartoon or… err, anything, they’ve always been heavily popular.

But Jamie Beck, a fashion photographer has introduced a new form: Cinemagraph.

Author(s): Kevin Cummins

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Carl Sagan - Pale Blue Dot

The Pale Blue Dot is a photograph of planet Earth made by Voyager 1 from a record distance, showing it against the vastness of space.

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Touchable Holography

It does not get much more futuristic than this: a demo of holograms one can actually touch. The holographic tactile display uses ultrasound to exert a pressure field - for example, it will exert pressure on the surface of your palm when virtual raindrops fall on it. 

Author(s): EduTube

Autonomous Quadrotor Helicopter - Aggressive Maneuvers

A very impressive demonstration of a small autonomous helicopter performing precise aggressive maneuvers - flips, flight through windows, and quadrotor perching.

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Carolling at Memorial Church
Each year in December, Harvard's Memorial Church presents members of the University community and beyond with the gift of song. For more than a century, the church's Harvard University Choir has performed two Christmas carol services that include readings by the clergy, and a mix of traditional and contemporary carols and hymns sung by both the choir and congregation. Read more in the Harvard Gazette: http://news.harvard.edu/gazette/story/2012/12/a-musical-gift/
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King Collection - Atlanta Student Movement
An Appeal For Human Rights
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Alfred University Holiday Greeting 2012
All of us at Alfred University wish you Happy Holidays, and invite you to view our 2012 video card. It is titled "If Winter Comes," with original 1930s cinematography by W. Varick Nevins III, class of 1932, for whom Alfred University's Nevins theater is named. Step back in time to get a brief but special glimpse into a bygone era when things were simpler, life moved at a slower pace, and maybe, just maybe, the snow was a little deeper. "If Winter Comes" is our holiday greeting to you, and
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Sing, Sing, Sing
Performed by the University of Richmond Jazz Ensemble at the 2012 Cuban Spectacular. Featuring dancers Myra Daleng and Michael Whitten, Emma Phillips, '13, on drums, and Nick Yeutter, '15 on clarinet. Directed by Dr. Mike Davison.
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Erwin Center Press Conference
Clemson University President James F. Barker announced a $1.05 million gift from Joe and Gretchen Erwin, co-founders of leading advertising and marketing firm Erwin Penland, to establish the Erwin Center for the Study of Advertising and Communication at the school. The gift creates a unique relationship between the Erwin family, Clemson University and Erwin Penland.
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How Do We Smell
Take a deep breath. What do you smell? At that moment, millions of
molecules are rushing into your nose and caressing the nerve endings of your brain’s olfactory bulb. But how does your brain know what smell to assign each molecule? How many smells can the brain handle? Smell researcher and neuroscientist Leslie Vosshall explains how molecules drifting through the air become the aromatic world around us. Okay, now exhale.  (02:28)

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3.2 Anthropogenic sources of nutrients

In addition to the natural sources of nutrients referred to above, nitrogen and phosphorus enter the environment from a number of anthropogenic sources. These are considered below.


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

2.1 Effects on primary producers in freshwater ecosystems

Plant species differ in their ability to compete as nutrient availability increases. Some floating and submerged macrophyte species are restricted to nutrient-poor waters, while others are typical of nutrient-rich sites (see Table 2.2). Figure 2.2 shows turbid water in a polluted drainage ditch associated with localized growth of algae. There are no aquatic plants present.

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

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