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Do heavy objects fall faster than light objects ? Aristotle vs Galileo
This humorous video shows examples to help explain the differences between the theories of gravity provided by Aristotle and Galileo. After the first experiment have the students reach a conclusion about which scientist was right. Let the video play to the end and see which students were correct. A good lesson.

(5:53)

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Science Bulletins: The Moon's Fragile Oasis
A NASA lunar probe reveals that the Moon stores more ice at its poles than previously thought.
Author(s): AMNHorg

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Science Bulletins: Planck and Herschel: The Sky at Two Scales
Planck and Herschel, a pair of satellites launched in 2009, are examining the sky in tandem to solve some of our biggest cosmological mysteries. Using detectors that read far-infrared light, both satellites are now scanning dust in the Milky Way Galaxy. The do so at different scales. Planck captures large swathes of the sky, while Herschel narrows in on smaller regions at slightly different wavelengths. The new images will give researchers a better understanding of galactic dust and its role in
Author(s): AMNHorg

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Science Bulletins: Hubble's Deepest Look at Space
The new camera that Atlantis astronauts installed on the Hubble Space Telescope last summer has spotted the most distant galaxies ever seen in space. Because these galaxies are so far away, their light has taken billions of years to reach Hubble. That means the telescope sees them as they were billions of years ago.
Author(s): AMNHorg

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Science Bulletins: Australia's Coral Growth Slows
Corals, like clams, lobster, and sea urchins, are marine calcifiers—they incorporate dissolved minerals from seawater to grow their hard parts. Calcifiers are considered at risk from our increased introduction of carbon dioxide into the atmosphere from the burning of fossil fuels. Carbon dioxide in the air increases the temperature of the ocean by ramping up the greenhouse effect, and the absorption of carbon dioxide into the ocean changes its chemistry so that minerals are less available for
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15.840 Special Seminar in Marketing: Marketing Management (MIT)
The purpose of 15.840 is to: Introduce key marketing ideas and phenomena. Develop students' skills in marketing analysis and planning. Provide a forum (both written and oral) for presenting and defending recommendations and critically examining and discussing those of others. An emphasis is placed on theory and practice that draws on market research, competitive analysis, and marketing science.
Author(s): Ariely, Dan,Norton, Michael

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Easter on Recently Captured Iwo Jima
In this audio clip, a chaplain's service for U.S. troops on Iwo Jima is broadcasted live. On March 26, 1945, after 36 days of bloody battle, the United States took control of the strategically important Japanese island. (3:21)
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Indian Dance - About Garba-Raas
Gabra-Raas is a classical Indian style of dance that originated in the Indian state of Gujarat and incorporates colorful costumes and energetic movements, Garba-Raas has traveled across the world.  This video is from an audition at Boston University.  Interviews with the dancers go over the differences between the dances and a little about the culture and how these dances are used. Length 1:41
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Sustainable Tourism Certification
A lecture on sustainable tourism
Author(s): Xavier Font,Leeds Metropolitan University

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http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Forests and Chases of England and Wales c. 1000 to c. 1850
The website "Forests and Chases of England and Wales, c. 1000 to c. 1850" is a project pursued by dr. John Langton and dr. Graham Jones from the University of Oxford, a multidisciplinary survey into mapping medieval forests and their survival into the modern era. The groundbreaking research reveals the landscape history of Britain and Wales throughout the centuries but also social, economic and cultural aspects of human relationship with the forests and the environment. Detailed information abou
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XSL Formatting Objects
Hannes Hirzel
XSL Formatting Objects is an XML language designed to be used to markup text which then later will be converted to PDF.
Some Ri

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Charles Willson Peale, Staircase Group) - 1795 - Smart History at Khan Academy
Charles Willson Peale, Staircase Group (Portrait of Raphaelle Peale and Titian Ramsay Peale), 1795, oil on canvas, 89-1/2 x 39-3/8 inches / 227.3 x 100 cm (04:26). The experts are Dr. Harris and Dr. Zucker.
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Obama Addresses 2004 Democratic Convention
On July 27, 2004, Barack Obama, then a little-known Democratic nominee for the U.S. Senate from Illinois, delivers the keynote address at the Democratic National Convention. His speech, in which he describes his personal story of the American Dream, catapults him into the national spotlight. (2:51)
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Calculus: Evaluating Limits
In this lesson you will learn about evaluating limits by substituting
values into the expression as well as what notation denotes a limit (and how to read and interpret the notation). Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive course, Calculus.

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Free, Online Nonprofit Organization and Management Development Program
A free, self-paced program for nonprofit entrepreneurs, leaders and managers, consultants and volunteers to increase their understanding of nonprofit organizations and activities. Each of the following modules suggests specific materials for review, topics for discussion and reflection, and activities to develop basic systems and practices. Various modules also include assessments and guidelines to record and monitor action items from current and previous learning modules.Module 1: Program Orien
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Finding the causes of leukemia
Speaker: Martyn T. Smith, Professor of Toxicology and Director of the Superfund Research Program http://superfund.berkeley.edu/ at the University of California Berkeley http://berkeley.edu/. Research support by the Superfund Research Program of NIEHS. Professor Smith explains that leukemia occurs when white blood cells do not develop properly. Acute myeloid leukemia (AML) is the most common form in adults. Causes include radiation, chemotherapy, benzene, formaldehyde, and tobacco smoke. Lo
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George Washington's Precedents
This video provides insights into the many precedents that Washington set as the first president. It would be a good overview, but does not provide any insights into why he took and said some of these actions in enough detail to stand by itself.(3:05)
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Global Cohort: Amparo Quisbert
Entrepreneur Amparo Quisbert of Bolivia talks about her company, Fama, and her participation in the 2012 U.S. State Department and Goldman Sachs 10,000 Women Entrepreneurship Partnership Global Cohort at Thunderbird School of Global Management. http://www.thunderbird.edu
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Crisis at Fort Sumter
"Crisis at Fort Sumter" is an interactive historical simulation and decision making program. Using text, images, and sound, it reconstructs the dilemmas of policy formation and decision making in the period between Abraham Lincoln's election in November 1860 and the battle of Fort Sumter in April 1861. The program primarily focuses on Lincoln, both as President-elect and as President. Viewers place themselves in Lincoln's position, consider the events that transpire, and choose a course of actio
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Food Chains and Webs
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