Methylphenidate Decreased the Amount of Glucose Needed by the Brain to Perform a Cognitive Task
The use of stimulants (methylphenidate and amphetamine) as cognitive enhancers by the general public is increasing and is controversial. It is still unclear how they work or why they improve performance in some individuals but impair it in others. To test the hypothesis that stimulants enhance signal to noise ratio of neuronal activity and thereby reduce cerebral activity by increasing efficiency, we measured the effects of methylphenidate on brain glucose utilization in healthy adults. We measu
Why do we leave fingerprints?
Learn about the pores in our fingers, why we have ridges on our fingers and more!
Pill bug curled up on back
Many pill bugs curl up in a ball to protect themselves. Pill bugs use their antennae to feel around their environment. They use their eyes to see where they are going. They use their legs to walk or crawl around.
United States Enters World War One
Using primary film clips, this video stresses the people and events that resulted in the United States entry into World War One. A quick summary of the war is also delivered. A word wall, map, and biographies of important people would help this video make more sense. It also shows how the treaty the Germans signed helps create a situation of unhappiness that results in the end of the Kaiser's reign.
Mercury is the innermost and smallest planet in the Solar System, orbiting the Sun once every 87.969 days. The orbit of Mercury has the highest eccentricity of all the Solar System planets, and it has the smallest axial tilt.
One of Morocco's most beautiful and historic cities is being restored to its ancient splendor. See what the government is doing to the historical city and how the citizens are trying to help fund the restoration of the city.
Learn How a Nuclear Reactor Works
Learn how a nuclear reactor works. Simple animation. (00:50)
Teaching Library Skills
Teaching Library Skills. Part of the series: Writing and Education. To teach library skills to children, consult with a librarian or resource teacher, print out state standards for library skills, and explain how the library is organized.
After Hours in the Equipment Room
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KAWS: Graffiti Artist
This segment profiles the artist known as KAWS, former Graffiti (tag) artist turned painter and designer of limited edition toys and clothing. This segment also features some cool clips of KAWS' art, displayed in Pharrell Williams' Miami Home and Kanye West's latest album cover and billboard. (6:34)
How to Draw a Cartoon Penguin
How to Draw a Cartoon Penguin: Mik Brown is on VideoJug to teach you how to draw a cartoon penguin. With a very simple series of steps that an artist of any level can follow, you too can draw your very own cartoon penguin. This is a good teaching resource for an individual or for an art classroom. (3:01)
FDR and Packing the Supreme Court (3)
Roosevelt faces the fact that his New Deal programs may be destroyed by the courts. He looked for new ways to get his ideas OK'd by the courts.
Scooby-Doo Explains Participles and Participial Phrases
This is a video created for the classroom to introduce participles and participial phrases. Scooby-Doo clips are shown to introduce participles and participial phrases. Past participles endings and present participle endings are discussed.
Sidney Poitier speaks about Civil Rights
TV interview: The Civil Rights Roundtable, a clip from the National Archives,presented specially for The Documentary Channel.
Intro to Judaism #10 Terms Pesah/Shavuot
Video discusses the terms used for Passover and Shavuot the two spring festivals.
How to Write a Persuasive Essay
Writing a persuasive essay involves systematically proving one side of an argument against another side and developing the best arguments into a standard format essay. There are some terms used here that may need explaining. No examples are given so the teacher might want to show some.
The Korean War 1950 - 1953 Map
The Korean War 1950 - 1953 Map. A short history of the Korean conflict with maps, narration, and close captioning.
The Korean War
Learn how the tiny Asian country of Korea was divided in the aftermath of World War II and how the cold war politics between the United States and the Soviet Union led to a brutal conflict.
This National Geographic maps allows students to explore the relative location of places in Mississippi and Mississippi's relative location to other states.