Understanding Asthma
More than 20 million Americans have some form of the disease known as asthma. In this video, a doctor gives the basics on this common condition, including causes, symptoms, and treatments.Â  3:11 min.
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Understanding Chronic Obstructive Pulmonary Disease
This disease is the 4th largest killer in the US each year. Professional video shows a doctor explaining what chronic obstructive pulmonary disease is and the causes of this disease. Symptoms and progression of the disease are discussed, as well as diagnostic tests. (3:14)
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Understanding Chronic Obstructive Disease (COPD)
Chronic obstructive pulmonary disease affects 12 million Americansâ€”most of them smokers. In this video, a doctor covers the basics on Americaâ€™s fourth leading cause of death. Discusses some of the major causes of this group of respiratory diseases. 3:13 min.
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Basic Math: Lesson 6 - Video Clip #1 - Understanding Fractions
Concepts covered: Denominator, Numerator, Common Fraction, and Unit Fraction. I also teach you how to draw typical fractions on a circle.
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Understanding What Algebraic Variables Look Like and What They Mean
In algebra, variables are placeholder letters (capitalized and
lowercase) that represent the unknown, or what you're solving for. This video shows you what variables can look like and what they mean. Understanding variables help make algebra easier.

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Understanding Place Value
Students are shown how place value is assigned in whole numbers.Â  This is a great explanation for students who are just beginning or reviewing the concept.
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Understanding Electrons
This is an excellent presentationÂ in which theÂ lecturer discussesÂ
theÂ electronsÂ (08:26) in easy-to-understand terms.Â This is a clip from a larger segment and is done in a lecture-style format. There are times when the instructor is in a small window in the corner while he points out specifics.

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Global Warming 101
This video looks at scientific research which predicts that this Greenhouse Effect may result in extreme conditions - altering conditions on earth. Run time 03:04.
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A Basic Explanation of Global Warming
How does global warming work? Here is a quick explanation with graphics - presented by former American Vice President, Al Gore. Run time 01:05.
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Using Cloud-Seeding (Geo-Engineering) to Solve Global Warming
This clip from the "Five Ways to Save the World" details a cheap, simple, and low-risk way to compensate for global warming.

If the reflectivity of clouds could be increased slightly, sufficient sunlight would be reflected to compensate for any future release of CO2 into the atmosphere. (09:37)

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Global Warming and Polar Bears
Learn about global warming and its affects on the endangered polar bear in the Arctic. Run time 03:12.
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Documentary on Arctic Sea Ice Shrinking â€“ Global Warming
During the summers of 2007 and 2008, year-round Arctic sea ice shrank to its lowest level since satellite records began 30 years ago. Some scientists now predict an ice-free Arctic summer by 2012. As snow and ice levels decline, sea-levels and weather patterns are affected which in turn impact plant, animal, and human life.
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Farewell Vanishing Glaciers -Global Warming - Anchorage Alaska
The glaciers tell the story. See Alaska's beautiful but dwindling glaciers in this video. The rapid retreat of glaciers throughout the world undeniable and human activities may be the major reason for this disturbing fact. (No narration - music included). Run time 03:02.
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Understanding Weather: Storms
Storms â€” their origins, paths and destructiveness â€” are the subject at hand for Wesley, an engaging animated character who is determined to become a member of the Weather Bureau of Investigation (WBI). By witnessing a hurricane, thunderstorm and tornado in person and on his Weather Watch, Wesley understands that similar forces cause all three, but with varying intensity and scope, depending on whether they form over land or sea. With the help of the WBI, Wesley and young viewers get cl
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Understanding Shakespeare's Sonnets
In the year of the 400th anniversary of Shakespeare's sonnets (1609)Professors Stanley Wells, CBE, and Jonathan Bate, CBE, talk to Paul Edmondson about the content of these love sonnets.Â  (37:58)
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Global Population Growth
The world's population will grow to 9 billion over the next 50 years -- and only by raising the living standards of the poorest can we check population growth. This is the paradoxical answer that Hans Rosling unveils at TED@Cannes using colorful new data display technology (you'll see). As a doctor and researcher, Hans Rosling identified a new paralytic disease induced by hunger in rural Africa. Now he looks at the bigger picture of social and economic development.Â  Run time 10:04.Â
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Understanding the Declaration of Independence - 9 Key Concepts
Understand 9 Key Concepts to Understanding the Declaration. How the Declaration of Independence and Constitution are designed to work together. The narrator breaks down the Declaration into parts and interprets each part.

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Understanding the Roman Catholic Church
The purpose of this video is to help Protestant Christians and others develop a better understanding of the Roman Catholic Church, its history and basic beli...
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Understanding Basal Cell Carcinoma
Video has a doctor explaining what basal cell carcinoma is and who is at risk. Basal cell carcinoma is the most common form of all cancer. Images show what to look for in identifying this cancer. 3:11 min.
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Understanding Leukemia In Children
In this video, Dr. Guarini from Columbia University is interviewed and explains what leukemia is and who is most likely to have the disease.Â Leukemia ia a cancer of the white blood cells.Â  There are two types of leukemia. Â 4:07 min.
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