Social Work Social Media App for Android
'This app offers you an amazing way to explore and learn about some of the ethical issues of using social media in social work. In the app you will meet a Team Manager called Adrian, he will present some ethical dilemmas around social media use. Can you help Adrian make the right decisions to ensure his team’s practices are consistent with social work ethics and values?Based on the issues raised, you are encouraged to reflect on your decisions and consider the potential impact these may have o
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Hynix Semiconductor sale relaunched
June 21 - Top shareholders of South Korea's Hynix Semiconductor making 3rd attempt in as many years to find a new owner for the memory chipmaker. Arnold Gay reports.
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Shoulder Arthroscopy
This patient education program reviews the anatomy of the shoulder, symptoms, causes of damage, diagnosis, and treatment options, including the benefits and risks of shoulder arthroscopy. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
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20.320 Biomolecular Kinetics and Cell Dynamics (MIT)
This class covers analysis of kinetics and dynamics of molecular and cellular processes across a hierarchy of scales, including intracellular, extracellular, and cell population levels; a spectrum of biotechnology applications are also taken into consideration. Topics include gene regulation networks; nucleic acid hybridization; signal transduction pathways; and cell populations in tissues and bioreactors. Emphasis is placed on experimental methods, quantitative analysis, and computational model
Author(s): Lauffenburger, Douglas,White, Forest

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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

ABC RAP Learning Video
This video is really fun for children to learn their ABC's.

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Tangent Ratios
This video explains how tangent ratios, along with cosine and sine ratios, are ratios of two different sides of a right triangle. Tangent ratios are the ratio of the side opposite to the side adjacent the angle they represent. In order to find the measure of the angle itself, one must understand inverse trigonometric functions. (2:01)
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Lugosi teaches math - convergence of series
Béla Lugosi teaches advanced mathematical concepts in this video. This is part of the last lecture of his series. He begins this lecture by talking about the Weierstrauss M-Test and talking about how a series or sequence of sums converges.  In his lecture he provides the steps for this test, and proofs as well.  A great video for advanced math learners. (Calculus and Calculus II students).
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Alphabets A to Z for Kids
Practice the letters of the alphabet with pictures for each letter.  Animated clip art pictures follow a slide of the upper case letter and the model word. (2:33) 

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The Organ of Corti
Situated in the spiral-shaped cochlea of the inner ear is the organ of Corti. Only one inch long if uncoiled, it bears about twenty-five thousand sound receptor cells with hairlike projections arranged in rows on the basilar membrane. Diagrams show detailed structure of the organ of Corti. Grades 5-12. 1 min.
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Johannes Gutenberg
Historical tale of the inventor of the printing press, Johannes Gutenberg See how in 1439 - the invention of the printing press - forever changed the world. (Amateur video)

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Introduction to Molecular Virology

Authors: 
Ed Rybicki