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Effects of smoking on humans
Tobacco contains nicotine, an addictive substance. Tobacco is the main substance in cigarettes. There are thousands of harmful chemicals in cigarettes. Second-hand smoke, where smoke from a burning cigarette is inhaled by someone who is not smoking, is just as bad as smoking a cigarette. Tobacco use of any kind can cause cancer and adversely affect the human body.
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Duckweed
Goldfish love to eat small aquatic plants. Some common plants that they eat are called duckweed and elodea. People that own goldfish can feed them processed fish flakes instead.
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Dolphin Skeleton - Backbone
The dolphin is built to be sleek. Its body is made of almost entirely backbone (a gliding joint) which makes it very flexible under water. The ribs protect the inner organs of the dolphin and the tail beats from side to side, thrusting the animal forward.
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Different Kinds of Exercise: Yoga
Yoga is a multi-purpose type of exercise. It can help relieve mental and physical stresses, increase flexibility, increase muscle tone, and burn calories. As you can see, yoga is a cardio workout, but it can provide various other benefits.
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Progression of Hurricane Charley, 2004 (WMS)
Hurricane Charley was the first of four hurricanes to hit the United States in 2004.
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El Nino Sea Surface Temperature, Height, and Wind Anomaly Onionskin: January 1997 through December 1
El Nino sea surface temperature, height, and wind anomalies in the Pacific for January 1997 through December 1997. The data sets are added one layer at a time, followed by a zoom into the eastern Pacific. (Wind anomalies stop at October 1997)
Author(s): Antonio Busalacchi,Greg Shirah

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HoloGlobe: Outgoing Longwave Radiation for 1988 on a Flat Earth
This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. This particular animation was not used in the final video.
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Episode 137: Smart water: Irrigation systems in an age of high tech

Systems engineer Professor Iven Mareels explains how applying contemporary control-systems approaches to irrigation is reinvigorating this ancient water-transport method, bringing huge savings in the agricultural use of H2O. With science host Dr Shane Huntington.

Author(s): up-close@unimelb.edu.au (University of Melbourne)

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Histopathological techniques - 2 Staining tissue sections
This video demonstrates the technique of how to stain a progressive H and E
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What the Ancients Knew: City in the Hillside
This 1:25 video tells of how the ancient cultures built a city in the hillside using geometry to lay out the grid so that it could be easier to live in during the seasons. This same system is used in many cities today. The video could be used to show the use of geometry in daily life.
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Song Actions
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Digital Library Object - China's resource quest: securing access to natural resources at home and ab
Link To Full Record
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Preventing School Teenage Violence
This 3:46 long video is a preview of a longer video. It is of value as it shows the problems with bullying, sexual harassment, and credible death threats on the rise, school is becoming less about learning and more about fear. This program examines violence among children and teens of both sexes. Innovative preventive measures yielding impressive results at Bartle Elementary in New Jersey and Lebanon Junior High in New Hampshire are featured. In addition, psychologist Daniel Goleman, author of E
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Landsat 7 Zoom Down to Washington DC
Zooming down to Washington DC using a Landsat 7 image acquired on May 11, 1999
Author(s): Darrel Williams,Tom Biddlecome

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Leaves with eat marks
Many insects have special biting and chewing mouthparts to eat plants and leave holes in the leaves. Not all predators eat animals. In fact, any plant or animal that preys on another is a predator.
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Guppy couple
Guppies have fins, a head end, a tail end, scales, and gills. They live in water and breathe in water using their gills. They use their tail and fins to swim. Their scales are used for protection. The male and female guppies are easy to tell apart because the male is more colorful and has more patterning on his body.
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Do you take your work on holiday with you?
You interpret data from statistics indicating how many people are busy with their work when they go on holiday. In the first exercise you learn to replace percentages by corresponding descriptions, so that you can incorporate the data into a text that is easy to read. At the end of the assignment you incorporate all the data into an article for the staff newsletter.
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Reading, speaking: Moving abroad
You practice reading comprehension by means of texts about moving abroad. You will be able to provide a reasoned (oral) argument of the advantages and disadvantages of emigration.
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Training session canceled
After this chapter you can write a letter about the postponement of a meeting. Whilst carrying out this task you demonstrate the links between events and you also provide sufficient background information. You make a proposal, using the appropriate structures. You apologise for the inconvenience caused.
Author(s): Vlaams Ministerie Van Onderwijs En Vorming

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Collisions and Momentum: Bouncing Balls
As a continuation of the theme of potential and kinetic energy, this lesson introduces the concepts of momentum, elastic and inelastic collisions. Many sports and games, such as baseball and ping-pong, illustrate the ideas of momentum and collisions. Students explore these concepts by bouncing assorted balls on different surfaces and calculating the momentum for each ball.
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