How the Body Works : The Filtering Mechanism
The filtering mechanism occurs at the Bowman's capsule of each nephron. As blood flows through the glomerular tuft, small molecules are forced through pores in the capillary walls into the nephron. Red blood cells and large protein molecules remain. The filtrate flows down the tubule and is joined by organic wastes and excess salts secreted from surrounding kidney tissues. Most of the glucose, amino acids, vitamins and essential salts are reabsorbed into the blood, leaving a concentrated solutio
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Learn About People in the Government
This short video uses simple animation and a talking elephant to introduce young learners to the concept of government. Words that are highlighted are: governor, president, prime minister, chief minister, and the mayor. (The origin of this video is India and in that country, the president's term is five years according to the video's narrator.)
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Origin of Life - Primordial Soup
3-D Animation of the first life forms on Earth. Explains how amino acids combined in the primordial soup to create the macromolecules of life. (04:49)
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Life's Evolution From 'Star Stuff'
Carl Sagan's description of how we evolved from "Star Stuff" and are on our journey to go back to our origin - in the Stars. This video segment is from "Cosmos: A Personal Voyage".
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Open Episcopal Church History Part 2 - Its Roots and Apostolic Succession
Video details the historical background of the apostolic succession and roots from the old Catholic Church through the liberal Catholic Church.
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Sartre 2 of 7

Video starts when Sartre is a school teacher, in his spare time he developed a strong interest in phenomenology, a new branch of philosophy that offered a radical account of the workings of human conscience.  In 1933 he went Berlin to study with a leader in that field.  When he came back to Paris, the big idea he came back with was to relate to an item in the world rather than a representation of it in your he
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Amazing Hummingbirds of Canada
Wonderful color footage in this video, which is suitable for older elementary, middle school, and high school students. There is music, but no narration. 6:30
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Hummingbirds of the Americas
A short documentary of the hummingbird which is suitable for older elementary, middle school, and high school students. Stunning photography. Run time 04:21.
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NATURE | Behind the Scenes of "Hummingbirds" | PBS
This video shows the wonderful marriage between technology, cinematography, and the study of animals.  Ann Prum, producer and cinematographer, explained how she and her team were able to catch the unbelievable grace and agility of hummingbirds in the wild using an HD camera called the Phantom High-speed Camera.  The video will help students to identify special characteristics like how hummingbirds eat from flowers, catch bugs, flap their wings in a figure eight, fight with one another, etc.
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Slow Motion Hummingbirds
A montage of HD and high speed footage showing these fascinating little birds from 1/4 to 1/40 actual (realtime) speed.  Cameras placed in a number of different angles give some new perspectives, and a top-down angle shows the bird lapping-up the nectar with what appears to be a forked tongue! All scenes are set to music. Run time 03:02.

Some great chases and flying scenes round out this video.


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Thirteen Days of Looking at a Hummingbird
Shot over thirteen days, these vignettes show the activity around a hummingbird nest in an urban setting. The video was inspired by the poem "Thirteen Ways of Looking at a Blackbird."  No narration.  Just music and sounds from the setting.  Run time 07:18.

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A Variety of Hummingbirds
The featherweights of the bird world, hummingbirds are native to South America, where flowers are abundant and in bloom year round. There are over 300 species of hummingbirds with varying tails, beaks, head plumes, and colorations. This video segment from Nature introduces viewers to several species of hummingbirds. Run time 02:45.
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National Geographic-Hummingbirds
In this video students will learn many facts about hummingbirds. A hummingbird's heart beat 1260 times a minute. Their wings beat 55-75 times in that same minute. They weigh one tenth of an ounce. They can fly backwards, forwards, up, down, upside down, and can hover in mid-air. They feed on nectar from a variety of flowers and may visit 1000 flowers a day. They prefer 25% sugar. They feed in small doses. This is a great teaching resource for elementary/middle school students. This video would w
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Preschool Kids Songs-Alphabet
Preschool songs & kids songs for circle time to help learn the alphabet.http://www.preschoollearningonline.com/preschoolkidsongs.htmlhttp://www.activityschoolbus.com
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Genesis Chapter 41 - New International Version
This video contains a high quality narration of The Book of Genesis, Chapter 41, from the New International Version of the Bible.  Scriptures read by professional voice actors, along with good music and sound effects.  No moving images.
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Amusing introduction to helium
This introduction to the element helium covers its main uses and properties such as being used to fill up small helium balloons and huge helium blimps like the Goodyear blimp, that it cannot be synthesized but can be found naturally, that it is inert and not flammable, etc.  Combines amusing demonstrations with talking to the camera by a wild-haired chemistry professor.  Part of a series called Periodic Table of Videos.
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Why Does Helium Change Your Voice?
Why does sucking on helium make your voice sound funny? See if this question can stump Dr. Charlotte Grayson. Helium is a colorless and odorless gas, and lighter than air.  It changes your voice by altering the environment where sounds are formed. Run time 01:27.
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Helium Is Lighter than Air Using Bubbles Demonstration
Demonstrating that helium is lighter than air with bubbles that rise. Watch David Richardson from the Institute of Physics demonstrate these fascinating, yet simple physics experiments that you can replicate in class. (1:30)
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Helium
A four minute lecture that explains what helium is and how it reacts. Many great points are made and this is a very good overview for the study of this element.
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Lithium battery rotating
This is simply a soundless QuickTime video of a lithium battery rotating.  Might be useful if you simply want to show what a lithium battery looks like.  To move the battery yourself, choose "QuickTimeVR Rotation" and hold down the control key while you click and drag over the picture. May take a little while to load.
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