Cave Swallows
From DragonflyTV. Isabel and Emily are spelunkers! That meansÂ they like exploring caves.Â In this video, the girls head to Carlsbad Caverns in New Mexico to help with an ongoing cave swallow study. Carlsbad Caverns is made up of over 100 caves, including the largest cave chamber in the United States.
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Why Study the Polar Regions? - Continued
Why study the polar regions? Vladimir Papitashvili â€“ University of Michigan. Platform to study upper atmospheric phenomena. Run time 02:29.
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Skull Bones
A review of the cranial and facial bones of the skull, using a rotating human skull with each bone highlighted as it is discussed. It is good study video for human anatomy students. Computer animation with narration.Â  Run time 02:51.
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How to Convert a Recurring Decimal Into a Fraction
In order to convert a recurring decimal into a fraction, understand that 1/3 is equal to .333 repeating. Find out how to use a bar to denote a recurring decimal with help from a tutor in this free video on math lessons and study tips.
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SAT Prep: Test 1, Section 9, Part 1
Students, improve your math SAT score! This video starts off with a black screen because the narrator uses it as a chalkboard. This is video is appropriate high school students. Uses a textbook (the official SAT study guide) commonly found in bookstores, but it is not absolutely necessary as the narrator does all work on the screen.
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SAT Prep: Test 1, Section 9, Part 3
Students, improve your math SAT score! Â The instructor uses an electronic chalkboard to model problems.Â Â This is video is appropriate high school students. Uses a textbook (the official SAT study guide) commonly found in bookstores, but it is not absolutely necessary as the narrator does all work on the screen.
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SAT Prep: Test 1, Section 9, Part 4
Students, improve your math SAT score!Â The instructor uses an electronic chalkboard to model problems.Â This is video is appropriate high school students. Uses a textbook (the official SAT study guide) commonly found in bookstores, but it is not absolutely necessary as the narrator does all work on the screen.
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Tropical Rainforest .
In this video scientists study the evolution and rapid destruction of the ecosystem.
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Chao Phraya Catfish
In this video you learn about a choa phraya catfish, also known as the dog-eating catfish. These fish can grow up to 9 feet long. This species is now extremely rare in the wild and in urgent need of study to asses its conservation status. Run time 01:49.
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Electron in Motion
Â An electron rides on a light wave after just having been pulled away from an atom. Credit: Lund University
Scientists have filmed an electron in motion for the first time, using a new technique that will allow researchers to study the tiny particle's movements directly.

Previously it was impossible to photograph electrons because of their extreme speediness, so scientists had to rely on more indirect methods. These methods could only measure the effect of an electron's movem

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Weather on Jupiter, 3 of 7
In an effort to understand Jupiter's turbulent weather, scientists study Earth's atmosphere in this video which is for elementary school children and older.
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Tom Burns "Essential Study Skills"
See the obstacles that keep us from learning, and how to overcome them. Use strategies to develop good study habits - including developing confidence. Run time 04:06.
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Salinity Density Demonstration
Salinity affects the density of water. In this video, 9th grade teacher Rod Benson performs a demonstration on the study of ocean currents for his students using golf balls.Â The step by step narrative demonstration uses golf balls with fresh water and salty water.Explanations are included. This would also be a great demonstration while teaching density.
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Oceans: Galapagos
The Galapagos were Darwin's laboratory for the study of the origins of life. See the amazing creatures he studied in 1835 - giant tortoises, sea turtles, flightless cormorants, iguanas, and penguins. Produced by National Geographic. Run time 04:47.
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Advanced English - Vocabulary - Olympic Games
This is a lesson for the ADVANCED English language learner. The theme is the 2008 Olympic Games, and there are 3 main parts. This is PART ONE (the second half) and we study vocabulary
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"The Raven" (read by James Earl Jones)
ThisÂ favorite classicÂ poem by Edgar Allan Poe, is read by actor James Earl Jones in his deep, richly elegant, throaty voice.Â  Poe's darkly beguiling words are perfectly articulated.Â  Jones' voice builds Poe'sÂ mysterious lament to a crescendo; unfortunately the last word of this recording is clipped off a moment too soon.Â  The screen shows a single, still graphic, a black raven composed of the letters in the word, NEVERMORE, shaped in the form of the bird.Â  A vocabulary study of the words
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"Witch-Wife" Poem by Edna St. Vincent Millay (1892-1950)
Edna St. Vincent Millay's love ballad is here portrayed through a fascinating collection of still visual art images, with the words of the poem in text on the screen, without narration.Â  Some of the beguiling, sensual images in this video make it suitable for a mature young adult audience.Â Â MedievalÂ instrumentation is charmingly suited to this pieces, which runs twice the length of the poem due to the amount of artwork.Â Â Useful in visual art study as well as poetry study.Â  (3:41)
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Our World: Snowflakes
Snowflakes are actually a history of what was happening in the atmosphere as the snowflake formed and fell to the ground. Find out how you can help NASA scientists study different types of snowflakes to learn about the atmosphere and changes in climate. (04:15)
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Are the magentic poles reversing?
Study of the question Are the magnetic poles reversing?" Ian McCrea, Rutherford Appleton Laboratory. Using magnetic models, scientist study the million plus year cycle of the pole reversal. RUn time 03:31.
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Why study the magnetosphere at the poles?
David Murr of Dartmouth College explains why study the magnetosphere at the Poles: the closer to the pole, the closer you are to the outer boundaries of the Earth. In doing this, he also sees the connection between the people and the land. Run time 02:47.
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