Crocodile Skeleton - Hind Limb (Ball and Socket Join)
The crocodile's hind limbs are strong and sturdy and are used to pull itself across the ground when its out of the water. The ball and socket joint allows the limb to move in different directions.
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Rube Goldberg and the Meaning of Machines
Simple and compound machines are designed to make work easier. When we encounter a machine that does not fit this understanding, the so-called machine seems absurd. In this lesson, the cartoons of Rube Goldberg are introduced and engage the students in critical thinking about the way his inventions make a simple task even harder to complete. As the final lesson in the simple machines unit, the study of Rube Goldberg machines can help students evaluate the importance and usefulness of the many ma
Author(s): Janet Yowell,Malinda Schaefer Zarske,Michael Bende

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Vaccinologie 2011 - Grippe nosocomiale

Thème : Vaccination antigrippale et immunodépression
Titre : Vaccinologie 2011 - Grippe nosocomiale
Auteur : Elisabeth BOUVET (Maladies infectieuses, Hôpital Bichat)
Résumé : modes de transmission de la grippe dans un établissement public tel que l’hôpital. Efficacité des mesures de prévention.
L’auteur n’a pas transmis de conflit d’intérêt concernant les données diffusées dans cette vidéo ou publiées dans la référence citée.
Conféren
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John A. Russell Interview
John A. Russell, professor emeritus of astronomy, reflects on his 44 years as a member of the USC Trojan Family. Russell, whose association with USC dated back to 1946, was a renowned astronomer, professor and pioneering meteor expert who was instrumental in founding the USC astronomy department. Russell was interviewed by H. Dale Hilton in 1986, as part of the USC Emeriti Center's H. Dale Hilton Living History Project. Learn more about USC: http://www.usc.edu Learn more about the H. Dale
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Write Now! Career Writing Prompts: Production Manager
This Career Clip features Tonya Dean, Production Manager at the Lehigh Valley Syrup Plant for Coca-Cola. She is responsible for ensuring that the operations run smoothly and that all customers orders get completed. Her best advice was to take care of the people and the work will take care of itself. Making sure that they are taken care of and that they have the knowledge and materials to complete tasks, the work will get done.
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How Do Things Fall? Lesson
Students learn more about forces by examining the force of gravitational attraction. They observe how objects fall and measure the force of gravitational attraction upon objects.
Author(s): Ben Heavner,Denise Carlson,Malinda Schaefer Zarske

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Mt. Etna Erupts and Terra-MODIS Captures It
MODIS captures Mt. Etna's Plume and Smoke Trail
Author(s): Chris Justice,Stuart Snodgrass

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The Murder of the Jews of Odessa on October 23, 1941
Dora Karant who was born in 1930 in Odessa, testifies about the murder of the Jews of Odessa on October 23, 1941.
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NeuroLogic Exam: Introduction: "x" Values
So far we have a handle on the vertical localization within the neuroaxis but we have a very flat, one-dimensional structure. We need to have a way to come up with "x" values. Let's rotate the neuroaxis by 90 degrees so we can see it in the coronal plane. Now we can appreciate that most structures in the neuroaxis have a right, left or midline orientation on our "x" axis. The first principle of neurologic diagnosis is regional or anatomical localization. In order to become skillful the student m
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NASA's Discovery Launch Dress Rehearsal
The Discovery astronauts train at Kennedy for the upcoming STS-124 mission. For more information see: http://www.nasa.gov
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Modern proteomes contain putative imprints of ancient shifts in trace metal geochemistry
Because of the rise in atmospheric oxygen 2.3 billion years ago (Gya) and the subsequent changes in oceanic redox state over the last 2.3–1 Gya, trace metal bioavailability in marine environments has changed dramatically. Although theorized to have influenced the biological usage of metals leaving discernable genomic signals, a thorough and quantitative test of this hypothesis has been lacking. Using structural bioinformatics and whole-genome sequences, the Fe-, Zn-, Mn-, and Co-binding metall
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L’invention d'une chimie pour la beauté - Philippe Walter
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Going to Gabon: Why Do Fish Matter?
This BioBulletin Web site reports on an international scientific expedition in Gabon to study freshwater biodiversity. The site includes text, videos, photographs, and interviews with key scientists. The Introduction presents the idea that freshwater ecosystems hold great diversity and are at great risk. About the Expedition explains why Gabon's rain forests and freshwater ecosystems were selected for studyBiologists in Action is an annotated photo album of the expedition. Why Gabon? takes an in
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Construct And Test Roofs for Different Climates
We design and create objects to make our lives easier and more comfortable. The houses in which we live are an excellent example of this. Depending on your local climate, the features of your house will be different to satisfy your particular needs; protection from hot, cold, windy, and/or rainy weather. Students should be aware of the different types of roofs found on various houses in different environments throughout the world. This can be done with books and photos. Models of the houses will
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Anthrax (Spanish)
This patient education program explains the causes and types of anthrax. It also reviews the symptoms, diagnosis, treatment, and prevention of anthrax through vaccination and awareness of bioterrorism. This resource is a MEDLINEplus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
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Verlof op een niet-officiële feestdag
At the end of this unit you can give advise about work-related issues in an e-mail message to a colleague.
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Diabetes Symptoms
This three minute video notes that one-third of diabetics don’t know that they have the condition and what are the symptoms. Important considerations are family history of this disease, being overweight, extra thirst, weight loss quickly, blurry vision, and others that need to be discussed with all students. There are some sexual related problems related in this video so a review of the content is recommended.
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You Again? Reintroducing and Introducing Species
This BioBulletin Web site takes an in-depth look at the work involved in reintroducing and introducing species. The site includes text, videos, photographs, and interviews with key scientists. What Is Being Moved and Why? outlines the three motives for relocating members of a species for release into the wild.
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Energy Conservation
Students are introduced to the idea that energy use impacts the environment and our wallets. They discuss different types of renewable and nonrenewable energy sources, as well as the impacts of energy consumption. Through a series of activities, students understand how they use energy and how it is transformed from one type to another. They learn innovative ways engineers conserve energy and how energy can be conserved in their homes.
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