Using Insects in the Classroom
Insects are an excellent resource for science education. Many insects are easily maintained in the classroom and can happily thrive despite being handled and kept in captivity. The remarkable diversity in form and function of commonly found insects promotes interest and enthusiasm in observing the natural world. Insects can also be used to model a variety of scientific principles. The objectives of this page are to give educators basic information about insects and ideas on how to use insect
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Lorenz Attractor Periodic Orbits
The butterfly-like Lorenz attractor is a simplified model of two-dimensional convective fluid flow and is one of the best known images of chaos. Embedded in this attractor are unstable periodic orbits described by Viswanath and this model computes a number of these orbits. Each periodic orbit is classified by the number of times the trajectory orbits the A and B fixed points before it repeats. Note that because the attractor is chaotic and because of numerical errors and the finite precision of
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Health Care Workforce and Other Initiatives to Assist Medically Underserved Communities and Populati
Section 32.1-122.22 of the Code of Virginia requires that the State Health Commissioner submit an annual report to the Governor and to the General Assembly regarding the activities of the Virginia Department of Health (VDH) in recruiting and retaining health care providers for underserved populations and areas throughout the Commonwealth. The annual report is required to include information on: (i) the activities and accomplishments during the reporting period; (ii) planned activities for the co
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Discrimination, Distrust, and Racial/Ethnic Disparities in Antiretroviral Therapy Adherence Among a
Objective: Although discriminatory health care experiences and health care provider distrust have been shown to be associated with health care disparities, little is known about their contribution to racial/ethnic disparities in antiretroviral therapy adherence. We therefore sought to assess the extent to which discriminatory health care experiences and health care provider distrust influence treatmentrelated attitudes, beliefs, and self-reported adherence in a national sample of HIV-infected pa
Author(s): Thrasher, Angela D.,Earp, Jo Anne L.,Golin, Carol

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Self-Care Among Chronically Ill African Americans: Culture, Health Disparities, and Health Insurance
Little is known about the self-care practices of chronically ill African Americans or how lack of access to health care affects self-care. Results from a qualitative interview study of 167 African Americans who had one or more chronic illnesses found that self-care practices were culturally based, and the insured reported more extensive programs of self-care. Those who had some form of health insurance much more frequently reported the influence of physicians and health education programs in sel
Author(s): Becker, Gay,Gates, Rahima Jan,Newsom, Edwina

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Embedding the concept of competency maps
This presentation outlines the background, context and transferability of a competency mapping tool originally developed in health but suitable for enterprise
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American Policy Toward Israel: the power and limits of beliefs
Most scholars explain America's nearly unconditional support of Israel either as a result of inordinate influence by a small pro-Israel lobby or as the product of strategic choices by presidents. Studies of the Reagan and first Bush administrations demonstrate a more useful way to understand American policy and to predict when it might change. That method involves analysing how policy advocates redefine, institutionally embed, and enforce versions of long-standing American beliefs favourable to
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Visite de l'institut de l'Institut de Physique du Globe de Paris

UTLS au Lycée en partenariat avec La tête au carré

Visite de l'institut de l'Institut de Physique du Globe de Paris


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The Credit Crunch and the U.S. Economy
Beginning with the subprime meltdown last summer, U.S. markets and the economy have been thrown into turmoil. Liquidity and default fears have created the worst conditions in financial markets in many years. These adverse developments have spilled over in the "real" economy, raised the specter of recession and worse. Steven Rattner is Managing Principal of Quadrangle Group LLC, a private investment firm with more than $6 billion of assets under management. Quadrangle invests in media and communi
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6.079 Introduction to Convex Optimization (MIT)
This course aims to give students the tools and training to recognize convex optimization problems that arise in scientific and engineering applications, presenting the basic theory, and concentrating on modeling aspects and results that are useful in applications. Topics include convex sets, convex functions, optimization problems, least-squares, linear and quadratic programs, semidefinite programming, optimality conditions, and duality theory. Applications to signal processing, control, machin
Author(s): Boyd, Stephen,Parrilo, Pablo

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

7.3 Regulation of secretion
This unit explains the function of the cytoskeleton and its role in controlling transport of vesicles between different subcellular compartments.
Author(s): The Open University

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5.3.1 Allosteric regulation
In this unit we explore how proteins are the 'doers' of the cell. They are huge in number and variety and diverse in structure and function, serving both the structural building blocks and the functional machinery of the cell. Just about every process in every cell requires specific proteins. The basic principles of protein structure and function which are reviewed in this unit are crucial to understanding how proteins perform their various roles.
Author(s): The Open University

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5.2 All proteins bind other molecules
In this unit we explore how proteins are the 'doers' of the cell. They are huge in number and variety and diverse in structure and function, serving both the structural building blocks and the functional machinery of the cell. Just about every process in every cell requires specific proteins. The basic principles of protein structure and function which are reviewed in this unit are crucial to understanding how proteins perform their various roles.
Author(s): The Open University

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Moving Ahead: Engineering Challenges of Deep Water Drilling and Future Oil Resource Recovery
To keep up with demand, the oil industry ventures increasingly farther and deeper offshore, extracting resources as fast as possible in often hazardous conditions with newly minted technology. So to these panelists, the BP Deepwater Horizon accident did not come as a complete surprise. However, they view the disaster from distinctly di
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Understanding cardiovascular diseases
Your heart beats around 100,000 times every day and, in that time, pumps about 23,000 litres of blood around your body. But what happens when it doesn’t work as well as it should? This unit explains what happens in cardiovascular disease, when the heart’s performance is affected, how the normal function of blood vessels is impaired, and what treatments are available. Whether you are a patient, relative, friend or healthcare professional, you will find the unit interesting.
Author(s): The Open University

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Proteins
In this unit we explore how proteins are the 'doers' of the cell. They are huge in number and variety and diverse in structure and function, serving both the structural building blocks and the functional machinery of the cell. Just about every process in every cell requires specific proteins. The basic principles of protein structure and function which are reviewed in this unit are crucial to understanding how proteins perform their various roles.
Author(s): The Open University

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Bioengineering at MIT: Building Bridges Between the Sciences, Engineering and Health Care (Part Two
Glycomics, the study of sugars’ role in living systems, is a relative newcomer to the revolution in molecular biology. In fact, Ram Sasisekharan remembers how colleagues told him “not to work on carbohydrates -- that it was useless.” But his research has shown that glycans, observed as long chains or intricat
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Nanotechnology and the Study of Human Diseases
Subra Suresh fleshes out the promise of nanotechnology, at least in regard to our understanding of disease. His talk, which focuses on malaria and its impact on red blood cells, demonstrates how the fields of engineering, biology and medicine are converging.

To function properly, he explains, a red blood cel

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Dendrite Morphogenesis and Channel Regulation: Implications for Mental Health and Neurological Disor
Lily and Yuh-Nung Jan have been pioneers in the field of molecular neurobiology for more than 30 years, and their genetic studies of fruit flies and mice have provided major insights into many different aspects of brain function and development. In this joint lecture, they summarize their recent work on the genetic control of
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End of of unit questions
This unit helps you understand the properties of nucleotides and how they contribute to secondary and tertiary structures of nucleic acids at the molecular level. You will learn about the different composition and roles of nucleic acids in the cell, their interactions with each other and the use of ribozymes, aptamers, antisense and hybridization as tools in molecular research. The unit covers the function of DNA packaging within the cell, the interactions between the DNA double helix and the nu
Author(s): The Open University

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2