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Basic economic concepts: Scarcity
Scarcity is a function of time, geography
and production. Scarcity and the fear of scarcity have led to war and
slavery. This is a professionally-produced video of good quality.

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Stage Lighting & Managing : How Do Stage Lights Work?
 Stage lights are controlled by an operator who presets the various lighting options for the show, and each light can be made brighter, softer or colored. Understand the function of stage lights with tips from an experienced stage manager in this free video on theater lighting.


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Directing Actors with Judith Weston Emotional Event
International author, directing coach and workshop leader Judith Weston gives directors advice on how to strengthen the conflict in a scene and increase the intensity of the performances.
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Elementary Education : How to Identify Learning Disabilities in Children
In order to identify a learning disability in a child, it's important to examine a child's organizational skills and propensity to get confused about time and words. Find out how to take symptoms of a learning disability to get professional help with help from a state-certified teacher in this video on identifying learning disabilities in children. (01:24)

Expert: Ileana Padilla-Boyd
Bio: Ileana Padilla-Boyd is the director of Bright Starts, an education service in south Flori

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History of Hanukah
Hanukah video

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How To Learn 10 Mac Shortcuts

Go to the Spotlight function by pressing the Command key while you tap the Space bar. Click on Keyboard and Mouse in the drop-down list – the dialog box that pops up lists shortcuts.

Hit the Command and the comma keys to open the Finder preferences.

Take and save a picture of your screen.

Press the F9 key to tile open windows on the desktop, and again to return them to their original positions.


Zoom in by pressing Command, Optio

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Structural Models
Presents quantitative approaches to theory construction in the context of multiple response variables, with models for both continuous and categorical data. Topics include the statistical basis for causal inference; principles of path analysis; linear structural equation analysis incorporating measurement models; latent class regression; and analysis of panel data with observed and latent variable models. Draws examples from the social sciences, including the status attainment approach to interg
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Statistics for Laboratory Scientists I
This course introduces the basic concepts and methods of statistics with applications in the experimental biological sciences. Demonstrates methods of exploring, organizing, and presenting data, and introduces the fundamentals of probability. Presents the foundations of statistical inference, including the concepts of parameters and estimates and the use of the likelihood function, confidence intervals, and hypothesis tests. Topics include experimental design, linear regression, the analysis of
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Obama could help US economy recover by mid-2009
The victory of Barack Obama, the first African-American to become president of the United States, could help the troubled US economy recover by the middle of next year, says Ilian Mihov, professor of economics at INSEAD.

“Obama’s platform when he was campaigning was to increase government spending and cut taxes. If the change is aggressive and very determined, I think the US economy can start recovering by the middle of next year,” Mihov says.

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SAT Math Functions
This video offers a brief glimpse of understanding function questions on the SAT Math exam. (01:26)
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Essential Science for Teachers: Life Science: Session 2. Classifying Living Things
How can we make sense of the living world? During this session, a systematic approach to biological classification is introduced as a starting point for understanding the nature of the remarkable diversity of life on Earth.,Conversations from 7 year olds take place about how to characterize an animal.
Author(s): Harvard-Smithsonian Center for Astrophysics

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Corporation for Public Broadcasting "All Rights Reserved"

Backdoor broadcasting company
Backdoor Broadcasting Company is an online broadcast provider to the internet worldwide and locally to its homebase of Oxford, United Kingdom. Upon invitation to an event, the Company records the proceedings and makes them available. It offers two services: the Academic Service, which broadcasts academic conferences, symposia, public lectures and workshops in order to provide widespread access to academic research. The Sound Experiment records novel experimental music, sound art and sonic even
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011 Americans in Paris, 1860–1900
The actor Charles Turner reads amusing descriptions of Parisian daily life by Henry Ossawa Tanner (1859–1937), the first African American artist to achieve international acclaim.
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Radioactive Decay Events Model
The EJS Radioactive Decay Events Model simulates the decay of a radioactive sample using discrete random events. It displays the number of events (radioactive decays) as a function of time in a given time interval. You can change the initial number of nuclei, the decay constant and the time interval for the event distribution.
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Meadows Prize recipient eighth blackbird begins Dallas residency
Last fall, SMU's Meadows School of the Arts announced the first two recipients of the inaugural 2009-2010 Meadows Prize, a new international arts residency: the Grammy-winning new music ensemble eighth blackbird and the New York-based public arts organization Creative Time. The prize includes housing for a one-to-three-month residency in Dallas, transportation expenses, studio/office space and project costs, in addition to a $25,000 stipend. In return, recipients are expected to interact in a s
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International Politics
International Politics podcast from Johns Hopkins University

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International Politics
International Politics podcast from Johns Hopkins University

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International Politics
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International Politics
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International Politics
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