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Wildlife: State of the Earth
Vibrant wildlife keeps key Earth systems healthy. But, poachers, deforestation, and overfishing is devastating animals on the land and in the sea. This movie discusses the problems and how some nations are striking back. Run time 09:02.
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Cloudless Sulphur Butterfly Pupates-Emerges
This short movie shows parts of the Cloudless Sulphur (Phoebis sennae) butterfly's life cycle in time lapse. Scenes include larvae moving around on the host plant, larva shedding its final skin to pupate (part of the metamorphosis process), and finally emerging as an adult butterfly. Run time 02:40

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Biography: John Wilkes Booth: Assassin in the Spotlight
John Wilkes Booth was the epitome of success--a famous stage actor, wildly popular, and wealthy. Yet, in April 1865, when the Confederate South surrendered to the Union North, he felt he was 'a man without a country.'
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Gravel Springs Mississippi Fife and Drum Music Traditions
A compelling and award-winning portrait of Othar Turner, his music and their role in the Gravel Springs community. The film not only demonstrates how to make a cane fife, but also gets to the heart of both Turner and his fife and drum music as he's shown performing at an annual Fourth of July picnic. Quick cuts between dancing band members and the rhythmic movements of Turner's family going about their daily chores capture the mounting excit
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How a Hurricane is Born - The Science Of Superstorms
A fascinating look at how a little girl walking in the sand of the African desert could cause a hurricane 4000 miles away in the USA. Some scenes may be too unsettling for very young children. Suitable for older elementary, middle school, and high school students.
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Le Voyage Dans la Lune
The first science fiction movie, based on a story by Jules Verne. Called "Voyage to the Moon" in English, it was created by George Melies in 1902. The film is from France and is about a small group of scientists that travel to space on a rocket to get to the moon. Originally, this was a silent film, but this film has a narration which explains what is happening to modern viewers. (11:48)
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Profile of Geneticist Pardis Sabeti
This video profile adapted from NOVA scienceNOW profiles the life and work of Harvard geneticist and biological anthropologist Pardis Sabeti. Although Sabeti spends many of her evenings on stage, fronting her band Thousand Days, her true passion is unraveling scientific puzzles. In 2006, Sabeti developed a method for analyzing the human genome in search of genes that may have arisen through natural selection. Her method is now widely used among geneticists and evolutionary biologists in an effor
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John Basilone sells War Bonds
This historical footage, from the National Archives, depicts Sgt. John Basilone with New York City Mayor Fiorello La Guardia.  In the days before television, people saw newsreels (and war updates) at movie theaters.  In this clip, Basilone and La Guardia are creating such a piece.
 
Always hesitant to talk about himself, Basilone shares the credit of his heroic deeds at Guadalcanal (which won him a Medal of Honor) with other Marines.  Move the video forward, to 0:44, 2:11 and 2:

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Magic School Bus Gets Ants in Its Pants
What project can Ms. Frizzle's class do for the Science Fair? How about a movie about an ant colony? Keesha is the director in search of a star for the show. When the class shrinks and travels through an anthill, she finds ants doing different tasks. But no one ant seems right for the starring role. By the end of the field trip, the kids discover that ants communicate and work together to help one another live. All the ants are stars! Students will learn the following information in this episode
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096 - BELLUM HELVETICUM - LOWE BUTLER WALKER
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Lifestyle of the Loggerhead Turtle
Watch the fascinating life of the loggerhead turtle. This movie starts as the baby turtles scramble down the beach to their ocean home and you watch as they stay away from predators, eat.  This video would be a great introduction to a lesson about animal instinct. Run time 02:49.
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Learn About Memorial Day
This is a very brief look at the history and meaning behind the U.S. federal holiday. It was formerly known as Decoration Day. This holiday commemorates U.S. men and women who have died in military service to their country. At the time of its posting to WatchKnow, this was a Featured Video on YouTube. (00:42)
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World War II: In Photos
As with all YouTube videos block out the comments are review carefully. Basically, this video is photos with music. The only use for this is to show the impact of war or how music can set a tone for a presentation.
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Counting Three Objects
Snippet begins with a short ad. Children count to 10 and then back from 10.  The live action movie then focuses on counting things in groups of three. (1:23)
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Nocturne In E Flat Major, Op.9 No.2 by Chopin
This is a slideshow with beautiful scenes from nature while Chopin's music is heard in the background. The pictures are in color and the sound quality is good. (4:09)
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Fantasie-Impromptu Op. 66 by Chopin
This is a recording of Vladimir Horowitz performing Chopin's Fantasie-Impromptu Op. 66. There is only a still photo of Horowitz to watch while music plays in the background. The sound quality is excellent.(4:32)
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Mazurka by Chopin performed by Horowitz
This is a live stage performance of Vladimir Horowitz playing Chopin's Mazurka in b minor Opus. 33 No. 4 in Vienna (1987). The picture quality is decent even though it's a little dark, but the sound quality is good.(4:40)
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Chopin Polonaise in A-flat major, Op. 53 performed by Vladimir Horowitz
This is a live stage performance of Vladimir Horowitz performing in Musikverein, Vienna, Austria on May 31, 1987. The picture is decent quality, but the sound quality is excellent. (7:25)
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Chopin's Nocturne in C Minor
This is Valentina Igoshina playing Chopin's "Nocturne in C Minor," Op. 48, No. 1. This is actually a clip from a movie The Mystery of Chopin (which is why Ms. Igoshina is in a period costume). (6:09)
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For unto us a child is born from the Messiah by Handel
This video is a live performance on stage in a concert hall of Sir Colin Davis conducting the London Symphony Orchestra and the Tenebrae choir. Soloists are Susan Gritton, Sara Mingardo, Mark Padmore, and Alastair Miles. It was recorded in December 2006. Picture and sound quality are excellent. (4:13)
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