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Colon Cancer (Spanish)
This patient education program explains what colon cancer is, the symptoms, diagnosis, and available treatment options. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
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Hormone Concentrations During Puberty
Guide questions - Do the reproductive systems of males and females function during childhood as they do in adults? Is the hypothalamic-pituitary unit sensitive to gonadal steroids during childhood? How do gonadotropin and reproductive steroid hormone levels fluctuate during fetal life, infancy, childhood, puberty and adulthood? When do males and females undergo puberty? What is the first observed hormonal change for males and females at puberty? University of Cincinnati College of Medicine Repro
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Spell-a-thon List 01 - Quiz
This quiz tests your ability to spell words from the CARI Spellathon 2005 list 1.
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The Zimmerman Telegram: Bringing America Closer to War
At the end of January 1917, the German government--desperate to break the stalemated trench warfare--announced that it would resume unrestricted submarine attacks. The United States broke diplomatic relations with Germany and further events pushed the nation even closer to war. On March 1, newspapers published a telegram from German foreign minister Arthur Zimmermann to the Mexican government, proposing a German-Mexican alliance against the United States. (For attacking the United States, the Me
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"Such Cases of Outrageous Unspeakable Abuse...": A Puerto Rican Migrant Protests Labor Conditions Du
In 1917 the United States declared the inhabitants of Puerto Rico, a U.S. possession since 1898, to be citizens of the United States--a "gift" that many Puerto Ricans resented. Seeing an untapped source of inexpensive labor, the U.S. Labor Department worked with industry to facilitate the migration of Puerto Rican workers to America. During the First World War the War Department agreed to transport Puerto Rican workers to labor camps in the United States where they would be housed and fed while
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South Boston High School, tape 1
African American students board buses at South Boston High School. Boston Police officers are stationed near the school. Police cruisers escort buses to and from the school. Jerome Wynegar (Headmaster, South Boston High School) stands in the schoolyard. White students exit the school after the buses depart. A passerby tells the camera crew that their presence causes a disturbance.
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Fundamentals of Physics, II
This is a continuation of Fundamentals of Physics, I (PHYS 200), the introductory course on the principles and methods of physics for students who have good preparation in physics and mathematics. This course covers electricity, magnetism, optics and quantum mechanics.
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Moral Foundations of Politics
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Money and Banking v1.1
Version 1.1 includes comprehensive figure updates to reflect most current dates and data, and some significant updates to chapter information like: regulatory reform update (Dodd-Frank Wall Street Reform and Protection Act), and newly added suggested readings (based on current research by authors). The financial crisis of 2007-8 has already revolutionized institutions, markets, and regulation. Wright and Quadrini's Money and Banking V1.1 captures those revolutionary changes and packages them in
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The Basics of General, Organic, and Biological Chemistry
The Basics of General, Organic, and Biological Chemistry by David W. Ball, John W. Hill, and Rhonda J. Scott is a new textbook offering for the one-semester GOB Chemistry course. The authors designed this book from the ground up to meet the needs of a one-semester course. It is 20 chapters in length and approximately 350-400 pages; just the right breadth and depth for instructors to teach and students to grasp. In addition, The Basics of General, Organic, and Biological Chemistry is written no
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Presidents & American Foreign Policy
Are trends in global politics simply the result of large impersonal structural forces, or does human agency matter? For example, would America have become the dominant country in the 20th century regardless of who was president? To what extent did leaders matter, and if so, what kind of leader? Leadership theorists focus their attention on what they call transformational leaders, but were "transformational" leaders like Woodrow Wilson and Ronald Reagan really more important than "transactional"
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4.1 A brief digression about digestion
From the mouse-deer to the elephant, plant eaters come in all shapes and sizes. But how do they manage to flourish on a salad diet? In this unit we will examine the special features that allow them to extract their nutrients from leaves, and see how some plants protect themselves from these predators. This is the fourth unit in the ‘Studying mammals’ series.
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Next steps
Water is a natural resource that is vital for human survival and health, although only a tiny fraction of the Earth's supply is available to humans and terrestrial animals. In this unit we look at threats, such as pollution, to water's capacity to support life around the world.
Author(s): The Open University

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1.4.3: A price index for the shopping basket
This unit looks at a wide variety of ways of comparing prices and the construction of a price index. You will also look at the Retail Price Index (RPI) and the Consumer Price Index (CPI), indices used by the UK Government to calculate the percentage by which prices in general have risen over any given period. You wil also look at the important statistical and mathematical ideas that contribute to the construction of a price index.
Author(s): The Open University

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1.3.6: Weighted mean
This unit looks at a wide variety of ways of comparing prices and the construction of a price index. You will also look at the Retail Price Index (RPI) and the Consumer Price Index (CPI), indices used by the UK Government to calculate the percentage by which prices in general have risen over any given period. You wil also look at the important statistical and mathematical ideas that contribute to the construction of a price index.
Author(s): The Open University

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1.3.5: Generalising the formula for the mean household size
This unit looks at a wide variety of ways of comparing prices and the construction of a price index. You will also look at the Retail Price Index (RPI) and the Consumer Price Index (CPI), indices used by the UK Government to calculate the percentage by which prices in general have risen over any given period. You wil also look at the important statistical and mathematical ideas that contribute to the construction of a price index.
Author(s): The Open University

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1.3.4: Calculating means using frequencies and calculating weighted means
This unit looks at a wide variety of ways of comparing prices and the construction of a price index. You will also look at the Retail Price Index (RPI) and the Consumer Price Index (CPI), indices used by the UK Government to calculate the percentage by which prices in general have risen over any given period. You wil also look at the important statistical and mathematical ideas that contribute to the construction of a price index.
Author(s): The Open University

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1.3.3: The median
This unit looks at a wide variety of ways of comparing prices and the construction of a price index. You will also look at the Retail Price Index (RPI) and the Consumer Price Index (CPI), indices used by the UK Government to calculate the percentage by which prices in general have risen over any given period. You wil also look at the important statistical and mathematical ideas that contribute to the construction of a price index.
Author(s): The Open University

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Next steps
Surfaces are a special class of topological spaces that crop up in many places in the world of mathematics. In this unit, you will learn to classify surfaces and will be introduced to such concepts as homeomorphism, orientability, the Euler characteristic and the Classification Theorum.
Author(s): The Open University

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5.3.3 Torus with 1 hole
Surfaces are a special class of topological spaces that crop up in many places in the world of mathematics. In this unit, you will learn to classify surfaces and will be introduced to such concepts as homeomorphism, orientability, the Euler characteristic and the Classification Theorum.
Author(s): The Open University

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