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Global Darkness Catastrophe - What Really Killed Dinosaurs? - BBC Science
The disappearance of the plants for a long period of time provides scientists with a clue as to why the dinosaurs were forced into extinction. (02:02) This is a clip from a larger segment.
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Neitzsche value 3 of 6

Giants of Philosophy video. Video continues with Neitzsche’s discussion of human life and its separation of nature.  He says they are grown together, and man is holy nature.  Neitzsche reinterprets our human nature in entirely naturalistic terms.  He wants to dispel the idea that we were created by God in his image and to draw attention instead to the conditions in life in which human life was really developed.   He does not th
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What's a Nano?
Ebony and her cousin Jasmine take you on a trip to the museum to discover what a nano is. Ebony knows that nanotechnology is helping make electronics, like her cell phone, smaller and smaller. But that's about all they knew about nanotechnology until they caught the Amazing Nano Brothers Juggling Show at the Museum of Science in Boston. The jugglers introduce the girls to the nanoworld. They learned from the Nano Brothers that a nanometer is one billionth of a meter. The girls then go o
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Magic School Bus Goes to Seed
Join Ms. Frizzle and the class as they get a bugs-eye view of the school garden and how seeds are created.  This Magic School Bus video will cover the following concepts: (1) Seeds are the way that most plants make new plants. The seed is created inside the flower of the plant.  and (2) A seed can travel long distances and wait for the conditions to be right before sprouting.  Run time 22 minutes.
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Life in Tropical Forests
Describes animals and plants found in tropical forests. Shows video of the specific animals. Also identifies the climate and locations. Mentions the effects of the destruction of the forests on the animals. Run time 1:56.
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Conserving the Canopy
Called "the queen of canopy research," Nalini Nadkarni explores the rich, vital world found in the tops of trees. A unique ecosystem of plants, birds and monkeys thrives in the treetops of the rainforest. Nalini Nadkarni explores these canopy worlds -- and shares her findings with the world below, through dance, art and bold partnerships. Run time 16:27.
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Amazon Rainforest
The tropical rainforests of the world are home to thousands of species of plants and animals -- including many that remain undiscovered by scientists. This video segment from the Race to Save the Planet teaching module "Saving the Diversity of Life" explores both the ecological importance and fragility of the rainforest biome and its organisms. Run time 01:45.
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Desert Biome
The desert biome is characterized by low precipitation, a high rate of evaporation (seven to fifty times as much as precipitation), and a wide daily range in temperature. The dramatic temperature fluctuations are the result of low humidity, which allows up to 90 percent of solar radiation to penetrate the atmosphere and heat the ground during the day, then for this accumulated heat to be released back into the atmosphere at night. Precipitation in deserts, unlike other biomes, is highly irregula
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Life in Temperate Forests
The video quicly described what a temperate forest is and where most are located.  It also describes animals and plants found temperate forests. Shows video of the specific animals. Animals include the chipmunk, mice, bears, deer, slugs, snails, beavers, frogs, salamanders, and birds.  Briefly addresses how humans have harmed the animals ecosystem and threatened their survival. Run time 1:29.
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Industrial Revolution in pictures
This video contains a slide show style presentation about the Industrial Revolution. Amateur video with rock music, no narration. It shows child labor in textile plants.

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How Changes in Earth's Magnetic Field and Ionosphere Affect Us - Part 4
Part 4 in a discussion on How do changes in Earth's magnetic field and ionosphere affect us? Anya Strømme – EISCAT/SRI International. She’s working with very high power radar to study the aurora borealis which are better observed at higher latitudes. She’s studying particles coming into the atmosphere, heating it, generating currents—this is where our satellites fly…this impacts tv reception, GPS, cell phones in a much more dramatic way than we can imagine. Run time 03:16.
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The Power House of the Cell
Mitochondria play host to one of the most important processes in your
body: cellular respiration. Taking in glucose and oxygen, mitochondria
produce energy, which they capture and package as energy-rich molecules of ATP. This video describes the structure and functions that give mitochondria their nickname: the powerhouses of the cell. Closed captioning included.  Run time 05:47.




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HIV Spreading
How does HIV spread from an infected cell to a healthy one? A team from the University of California, Davis, and Mount Sinai School of Medicine in New York captured the process on video for the first time. By dying viral particles with a fluorescent green dye, they were able to see the infection in action.
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Animal Adaptations
This is a video clip from "Adaptations", a 14-minute award-winning elementary life science video produced by the Visual Learning Company.  This brief clip gives an overall view of what animal adaptations are, and how they are different for different species of animals. Examples include herbivores with flat teeth, carnivores with sharp teeth and claws, and plants with broad leaves to capture sunlight. Run time 01:43.
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Exchanges in the New World
Columbus’s famed voyage in 1492 joined two very different worlds. For thousands of years, Europeans and Native Americans lived completely separate lives, unaware of the others’ existence. When Columbus stepped onto the rocky soil of San Salvador, he started a historic chain of events that affected the lives of millions of people on both sides of the Atlantic.
Columbus and later explorers discovered a land unlike anything they had experienced. They encountered neatly patterned park-like

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Garden safety for children
It can be fun to let young children play in a garden but experts warn of some of the dangers to look out for. Tools, chemicals and water are the biggest hazards; and certain plants and flowers also must be avoided.  This video shares this important information.
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Magic School Bus "Gets Eaten"
Join Ms. Frizzle and the class as they search for a connection between pond scum and tuna fish.  Scum is a kind of algae and algae and tuna are part of the same food chain!  This Magic School Bus episode will cover the following two concepts: (1) Living things are linked by what they eat and what eats them. and (2) Almost all food chains begin with plants.  Run time 22 minutes.
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Learn Why Animals Eat Other Animals
Crazy Chris shows you a real life food chain you can do right at home with your exotic pet. Chris uses lettuce, a cricket, and a tarantula to demonstrate a food chain. He then explains why some animals eat plants (herbivores) while others eat meat (carnivores.) Run time 03:00.
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A Bamboo Garden
Almost 30 years ago, Jerry Burton got rid of some mute swans from his pond and in return received a few bamboo plants. It was the start of a lifelong love of bamboo, which is now a full-time business. Run time 05:16. 
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Roosevelt Election
Hoover found himself pitted against Democratic nominee Franklin Delano Roosevelt (FDR), governor of New York State. Besides being a Democrat, which in this election was a benefit, Roosevelt was blessed with charm, wit, intelligence, and self-assurance. He was also a mesmerizing speaker, which in this era of the radio was crucially important. Roosevelt had a resonant voice and a gift for employing phrases that struck a strong chord with his listeners. In a campaign speech, he used the term "forgo
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