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Zoellick: Citizen Involvement is Critical to Modernization
Apr. 6 - World Bank President Robert Zoellick says countries that begin a modernization process, especially in the Middle East and Africa, are vulnerable if they don't draw power from the general population.
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Is creative culture linked to play?
Babis Mainemelis, Assistant Professor of Organisational Behaviour discusses the link between creative culture and play.

3.2 Congruence
Number systems and the rules for combining numbers can be daunting. This unit will help you to understand the detail of rational and real numbers, complex numbers and integers. You will also be introduced to modular arithmetic and the concept of a relation between elements of a set.
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

Exercice 14 (Logique, ensembles, raisonnements) [00151] (video)

Exo7. Exercices de mathématiques pour les étudiants.
Retrouvez la correction écrite sur http://exo7.emath.fr

Absurde, contraposée, infinité de nombres premiers.
Bonus (à 4'20'') : nombres premiers jumeaux.


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Henry David Thoreau
<img src="http://mises.org/Controls/Media/DocumentImage.ashx?Id=6387" vspace="4" hspace="4" style="margin: 10px;" /><br />

Capitalism at the Farm Stand

[An MP3 audio file of this article, narrated by Brad O'Connell, is available for download.]

I laugh to myself every time I pull up to the little farm stand to pick up my weekly share from the Community Supported Agriculture prog
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3.1 Division
Number systems and the rules for combining numbers can be daunting. This unit will help you to understand the detail of rational and real numbers, complex numbers and integers. You will also be introduced to modular arithmetic and the concept of a relation between elements of a set.
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

4.6 Global climate change continued
Global warming: are we responsible? Is our environmental impact damaging the planet? This unit examines the use of ozone depleting technology, the impact of fossil fuel use and explores how the development of technology can influence the direction of a society. From the Industrial Revolution to the present day find out how we have changed the planet.
Author(s): The Open University

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The Colony of Jamestown
Learn who came over to Jamestown and why they came in the first place!
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Catfish
One reason why catfish are considered to be a fish is because they are cold-blooded animals. Cold-blooded animals rely on the sun and the temperature of their environments to stay warm.
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Caterpillar head
The larval stage is the second step in a caterpillar becoming a butterfly. This caterpillar's head has eyes so it can see, jaws so it can eat, and a spinneret that the caterpillar uses to make silk.
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Cat skeleton
Sharp teeth function to tear and shred prey. The large eye sockets support large eyes, indicating the cat has effective eyesight for hunting. The cat's limbs are very flexible to allow for optimal agility. The cat's hind claws are very sharp to give the animal good traction. The ribcage provides protection for the cat's organs.
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Plant Cycles: Photosynthesis & Transpiration
What do plants need? Students examine the effects of light and air on green plants, learning the processes of photosynthesis and transpiration. Student teams plant seeds, placing some in sunlight and others in darkness. They make predictions about the outcomes and record ongoing observations of the condition of the stems, leaves and roots. Then, several healthy plants are placed in glass jars with lids overnight. Condensation forms, illustrating the process of transpiration, or the release of mo
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Material Testing - Crossword
A crossword dealing with the various terms commonly used with material testing techniques.
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Earth Rotation from Galileo Imagery: 3600 x Real-Time
This animation is one in a series created to show an accurate representation of the Earths rotation at different temporal resolutions. The animation is created from images taken by the Galileo spacecraft during a close pass of the Earth on December 11-12, 1990. The animations range from real-time, in which no rotation can be perceived, to 3600 times real-time, in which both the Earths rotation and cloud motion can bee seen. The series also includes an animation in which the Earths rotation has b
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Behavioral Genetics (Mendelian): Sanitary Bees - Animal Behavior
This course covers the principles of biology as they relate to animal behavior, with broad coverage of animal groups. Special attention will be paid to the emerging discipline of behavioral ecology.
Author(s): Roy Caldwell

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Animal camouflage
Some animals are capable of concealing themselves against their surroundings. The patterns, colors, or behaviors they show that help them accomplish this are called camouflage.
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An apple
Objects appear to be certain colors because of reflection and absorbance. Light is made up of different wavelengths that our eyes detect and convert into colors. The apple looks green because it reflects the wavelengths that correspond to the color we see as green. The apple absorbs all other wavelengths of light.
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STS-134 Daily Mission Recap - Flight Day 9
A video recap of flight day 9 of the STS-134 mission of space shuttle Endeavour to the International Space Station.
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信号処理特論
Realization of FIR and IIR systems and parasitic effects, robust digital filters, multirate signal processing(sampling rate alteration), filter banks, wavelets, adaptive filters, digital signal processors, etc.
Author(s): TOKYO TECH OCW

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