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!
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.
Anacondas are some of the 30% of snakes that give birth to live young. Watch an anaconda give birth, and learn about the survival techniques needed for her and her offspring to survive.
Congressman John Lewis Gives Law Commencement Address
Video by Mary Stanton Knight
Virtual Maths - Numbers, Find the angle quiz
Interactive simulation quiz, 8 questions, Find the Angle using the simulation and enter the answers
Using the Organizer interface
With some images imported into the Organizer, you're ready to manage, optimize, and share your images. Learn about the Organizer interface so you can find your way around easily.
Summer Institute Workshop 7/23/10
Virtual Maths - Shapes, Space and Measure, Theodolite Survey simulation
Simulation of using a thodolite to calculate the height of a building.
Engage Super League: A Skills for Life Learning Resource.
An interactive learning resource booklet on the subject of Rugby League, designed to offer the family fun educational activities to improve basic maths and English.
Global Reaction to US Credit Downgrade
Krannert School of Management Assoc. Prof. Xiaoyan Zhang discusses the global reaction to the U. S. credit downgrade.
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)
18.904 Seminar in Topology (MIT)
In this course, students present and discuss the subject matter with faculty guidance. Topics presented by the students include the fundamental group and covering spaces. Instruction and practice in written and oral communication are provided to the students.
2014 URI Commencement
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Cijferend optellen tot duizend Met deze bundel oefenen leerlingen het cijferend optellen tot duizend. De oefeningen worden telkens een beetje moeilijker: oefeningen zonder onthouden, oefeningen met één keer onthouden, oefeningen met twee keer onthouden.
Met deze bundel oefenen leerlingen het cijferend optellen tot duizend. De oefeningen worden telkens een beetje moeilijker: oefeningen zonder onthouden, oefeningen met één keer onthouden, oefeningen met twee keer onthouden.
This case study describes the use of pod casts to support and enhance student decision making in the development and running of a new simulated company using business simulation software
Sunday Service - 6/29/14 - Luke Powery
A service of worship in Duke University Chapel. Preacher: The Rev. Dr. Luke Powery Sermon: "Mount Moriah Road" Bulletin: http://chapel.duke.edu/sites/default/files/06-29-14.pdf
Sidney Poitier speaks about Civil Rights
TV interview: The Civil Rights Roundtable, a clip from the National Archives,presented specially for The Documentary Channel.