Everyday Engineering: What makes a squirt gun squirt?
You may not think of engineering and squirt guns in the same sentence. However, like many examples of engineering design, the squirt gun pump mechanism is uncomplicated, yet elegant, and very inexpensive to manufacture. The design is widely used because of its simplicity and low cost. With only a few moving parts, it is able to deliver a stream of water, a spray of cleanser, or a squirt of liquid soap. In this article, the authors will examine how these simple, everyday pumps operate. In additio
Geologic Time: Eons, Eras, and Epochs
This resource guide from the Middle School Portal 2 project, written specifically for teachers, provides links to exemplary resources including background information, lessons, career information, and related national science education standards. This publication contains resources designed to do three things. The first is to complement teacher content knowledge and its relationship to the nature of geologic science. Geology is not a laboratory based science lending itself to traditional notions
Mayfly Madness
This video gives a quick glimpse of life and times of the mayfly on the Mississippi. It's life span is only 24 hours long. This video could also be used with a lesson about life cycles. Time 2:29
Welcome & Plenary I: Population, Consumption and Human Wellbeing
Welcome remarks were made by Haile Debas, Steve Shortell and John Stobo. Plenary I was chaired by Malcolm Potts, with a keynote speech by Sir John E. Sulston and comments by panelists Ndola Prata and Jaime Sepulveda.
Intro to Chemistry: 10.1 Introduction to Acids and Bases (1/2)
Join award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry: 10.1 Introduction to Acids and Bases. Common acids and bases are identified. The properties of acids and bases are also identified. ( 8:01)
PowerPoint Games: Teaching with Games. Excuse Me.... Teach with games?
This 2:38 video provides some startling statistics that should be viewed by all teachers. It also has good hints on how to make PowerPoint Games.
Professor Sir Leszek Borysiewicz: Challenges of global health
Professor Sir Leszek Borysiewicz, Vice-Chancellor of the University of Cambridge, delivers a public lecture at Madingley Hall on 24 November 2011.
The lecture is chaired by Dr Ron Zimmern, Chairman of the Foundation for Genomics and Population Health, and introduced by Dr Rebecca Lingwood, Director of Continuing Education at the University of Cambridge.
Please note that the lecture proper begins at the 4:05 minute point in the video.
Episode 69 - SQL Azure Federations with George Huey Join Wade and Steve each week as they cover the Windows Azure platform. You can follow and interact with the show at @CloudCoverShow. In this episode, Wade is joined by George Huey—Principal Architect Evangelist for Microsoft—to discuss how to scale-out with SQL Azure Federations. George is the author and creator of the Author(s):
Lactobacillus rhamnosus GG and Bifidobacterium animalis MB5 Induce Intestinal but Not Systemic Antig
By: mengheri
Intro to Chemistry: 10.5 Titrations in Chemistry (2/3)
Join award winning teachers Jonathan Bergmann and Aaron Sams as they interactively teach Chemistry: 10.5 Titrations in Chemistry.
( 10:52)
Past tense grammar presentation
Past tense grammar presentation.
Mali Empire
Mali empire was the second great empire in African history. Coming after
the Ghana empire, they too became rich by taxing Muslims who travel
their land to sell gold and salt. This 1:12 video provides a good overview.
Le rôle historique des institutions dans le progrès des sciences / Jacques Blamont
Le rôle historique des institutions dans le progrès des sciences / Jacques Émile Blamont. Conférence donnée dans le cadre de L'Institut des Études Doctorales (IED) et présentée par Michel Eliard, directeur de l'URF de Sociologie de l'université du Mirail. Université Toulouse II-Le Mirail, 3 mai 1999.
"Missing Link" Dinosaur: Feather Color Determined
Scientists have determined the color of a fossilized feather ofArchaeopteryx, a birdlike dinosaur that represents an evolutionary transition between dinosaurs and today's birds.In research partially funded by the National Geographic Society and headed by Ryan Carney of Brown University, investigators used a specialized type of electron microscope to determine the pigmentation of the feather, which they say was black. (2:11)
Evaluating Polynomials Using Synthetic Division - Problem 1 of 2
This video is a continuation and presents an example that demonstrates how to use synthetic division to evaluate a polynomial function. (4:30)
Why Study Biblical Warfare with Carly Crouch
Anyone reading the historical books of the Hebrew Bible / Old Testament can be shocked that warfare figures so prominently in the writings held by many as sacred. Dr Carly Crouch examines how warfare was understood within the religious worldview of ancient Israel.
Sarah, Plain and Tall
This video version of Sarah, Plain and Tall by Patricia MacLachlan includes text, narration, and pictures. It is listed on the CoreStandards.org website as part of the suggested reading materials for grades 2-3. (04:00)
Catherine the Great
This 45 minute biography of this famous Russian female leader. It uses actors, interviews and original art to help explain to students her traits and accomplishments. There are a few brief images of the female body that make previewing this video a requirement to make sure it is within the bounds of district policy.
Science Bulletins: Tapping In—The Promise of Brain-Computer Interface
For decades, neuroscientists have sought to use electronics to communicate with the brain. Computing and surgical technique have now become sophisticated enough to implant devices directly into neural tissue. In this feature, researchers at Albany Medical Center and the Wadsworth Center at the New York State Department of Health reveal a world where mind and machine merge. Their cutting-edge devices translate brain signals into action, helping people with ALS and other disabilities regain the ab
Le printemps des bonzaïs (version française)
L'économie libérale est un modèle en crise.
Aujourd'hui, il existe une alternative : l'économie sociale et solidaire, un modèle qui réhumanise l'économie et crée un monde plus juste, en faisant de chacun d’entre nous un acteur responsable.
Les entrepreneurs sociaux sont les précurseurs de ce nouveau modèle.
Le Printemps des Bonzaïs dresse le portrait de trois d’entre eux. Marie-Noëlle Besançon dans le domaine de la santé, Jérôme Schatzman dan
