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Workplace Injury Control
This film examines methods for controlling injury hazards on the job. Topics include ANSI Z10, elimination, substitution, engineering controls, warnings, administrative controls, and personal protective equipment. Copyright 2012, Mitch Ricketts. For an illustrated transcript, copy and paste the following URL into your browser: http://www.ksre.ksu.edu/agsafe/p.aspx?tabid=58
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2 Summary of Section 4

  1. Gametes are special cells because they contain only one set of chromosomes instead of the more usual two sets.

  2. The chromosome number is halved by meiosis.

  3. The crossing over and random assortment of chromosomes in meiosis produces a unique set of genes in every gamete, and thus in every individual (except for identical twins, who are derived from the same conceptus).

  4. Sperm production involves many rounds of
    Author(s): The Open University

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    Copyright © 2013 The Open University

Thursday 12th December [1861]
Marie says she spent much of the day knitting mittens with one finger for the soldiers. Mrs. Fitch came over to visit. Her 11 year old son left home to join Dunhams Regiment at Camp Bedford. The Fitches are going to try and get him back.,Thursday 12th Dec [1861]
Weather clear and seasonable
heavy white frost this morning. I knit
most of the day on a mit for the soldiers
we knit them with one finger. Mrs.
Fitch was here this afternoon one
of her sons about 11 years left here

Author(s): Brandt, Marie Ester, 1823-1915

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Digital image © 2005 Indiana Historical Society. All Rights Reserved.

Group Reflection in Action
A group of students talking to each other about their experience of reflecting on their own learning.
Author(s): Griffiths, Dave,Pokorny, Helen

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Attribution-Share Alike 2.0 UK: England & Wales,http://creativecommons.org/licenses/by-sa/2.0/uk/

Basic Liquid Chromatography
A complete textbook of liquid chromatography by Yuri Kazakevich and Harold McNair on the Web. Extraordinarily comprehensive in its coverage of fundamental chromatographic theory and instrumentation for a website.
Author(s): Kazakevich,Yuri

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Copyright 2003 Seton Hall University

Environmental Geochemistry
This site contains detailed course materials for an environmental geochemistry class. The site includes lecture notes and on-line quizzes as pdf files. This site provides detailed information about important concepts dealing with the general interface of analytical and environmental geochemistry including sections on chemical equilibria, heavy metals, organic pollutants, and mineral solubility. This material will be especially useful for students and faculty interested in practical application
Author(s): Sherman, David M.

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Copyright 2003 University of Bristol

Back to School Organizing Tips: Binder & School Notebook Organization
This eleven-minute video clip offers information how to organize a school binder. 
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Biodiversity Counts
This extensive collection of activities from the American Museum of Natural History offers middle school students an exciting and creative context for involving students in the scientific process while introducing them to the rich diversity and beauty of their local ecosystem. Lesson plans, Web-based interactive activities, useful Web links, profiles of AMNH scientists and staff, and other features help students inventory and analyze the plants and arthropods found in their own neighborhoods. Al
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Middle School Portal: Math and Science Pathways (MSP2)
New from The Biology Project of the University of Arizona, this online tutorial introduces the dynamic complexes of proteins, carbohydrates, and lipids that comprise cell membranes, and relates how membranes are important for regulating ion and molecular traffic flow between cells. Each section of this Web site takes the form of a multiple choice question. Answer the question correctly, and a brief explanation of each answer choice will be displayed. Answer the question incorrectly, and a short
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Wind energy : energy from moving air
This resource focuses on the renewable resource of wind energy. This brief overview of wind energy explores how moving air is managed when it is formed. This resource will address such topics as (1) What is Wind?, (2) The History of Wind, (3) Windmill Mechanics, (4) Wind Machines Today, (5) Types of Windmills, (6) Wind Power Plants, (7) Wind Resources, (8) Wind Production, (9) Wind Energy Economics, (10) Wind and the Environment, and (11) the Future of Wind. Copyright 2005 International Technolo
Author(s): US Department of Energy (DOE). Energy Information

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Growing Power Farm: Aquaponics
Aquaculture is the symbiotic cultivation of plants and aquatic animals in a re-circulating system. Growing Power uses Tilapia and Yellow Perch to fertilize a variety of crops and herbs using aquaponics. Currently, we have three Tilapia systems and six Yellow Perch aquaponics systems in our greenhouses at our urban farm in Milwaukee.
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Social Media Collaboratory: Introduction to Social Media
Understand the benefits and challenges of effectively engaging with social media. Learn how participate and organize online discussions in forums, mailing-lists, blogs and video discussion sites. Understand how a blog can give you a voice and learn the basics of publishing a blog. Understand how social bookmarking can be a very effective way to gather and share information about online resources. Learn how to use wikis and understand their use as a collaborative writing (collabowriting) tool
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Foundry Lane junction with Harehills Lane
26th September 1935 Number 371 Leslie Thompson, baker. Number 373 Harry Smith, grocer. Number 369 British and Argentine Meat Co. Ltd, butcher. Number 3 Thrift Stores Ltd. grocers. Goods visible in the shop windows.
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Social Disparities in Housing and Related Pediatric Injury: A Multilevel Study
Objectives. We conducted an ecologic analysis to determine whether housing characteristics mediate the associations between concentration of poverty and pediatric injury and between concentration of racial minorities and pediatric injury and whether the association between housing conditions and pediatric injury is independent of other risks. Methods. We created a hierarchical data set by linking individual-level data for pediatric injury with census data. Effect sizes were estimated with a Poi
Author(s): Shenassa, Edmond D.,Stubbendick, Amy,Brown, Mary J

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Racial/Ethnic Disparities in Preschool Immunizations: United States, 1996–2001
Objectives. We examined current racial/ethnic differences in immunization coverage rates among US preschool children. Methods. Using National Immunization Survey data from 1996 through 2001, we compared vaccination coverage rates between non-Hispanic White, non-Hispanic Black, Hispanic, and Asian preschool children. Results. During the 6-year study period, the immunization coverage gap between White and Black children widened by an average of 1.1% each year, and the gap between White and Hispa
Author(s): Chu, Susan Y.,Barker, Lawrence E.

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Kids in the Hall of Planet Earth: Rocks in Your Cabinet
This Web site, part of Kids in the Hall of Planet Earth, provides an interactive way to learn about the rocks and minerals found in everyday objects. Here, kids start with a clickable kitchen scene. There are more than 20 items to examine – everything from cereal and salt to porcelain plates and copper pots. For each item, students are taken to an information screen that explains the rock or mineral and how it has been used in the item.
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Stage at Diagnosis and Survival in a Multiethnic Cohort of Prostate Cancer Patients
Objectives. We evaluated the effects of socioeconomic status and comorbidity on stage of disease and survival among 1,509 population-based prostate cancer patients. Methods. We applied logistic regression and Cox proportional hazards regression to data from Whites, African Americans, and Asian Americans who were diagnosed from 1987 to 1991. Results. Patients with existing comorbid conditions were less likely than those without these conditions to be diagnosed with advanced cancer. Compared wit
Author(s): Oakley-Girvan, Ingrid,Kolonel, Laurence N.,Gallagh

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How to Calculate a Biodiversity Index
This brief online article show students how to use a formula called the biodiversity index to describe the amount of species diversity in a given area. The article starts with an explanation of why an environment with a single species of adapted plants is more at risk. Two sample calculations are given along with the formula, illustrating how the formula can be applied to a carrot patch or a forest area.
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Drawing Dinos
This OLogy activity shows kids how paleo-artists are able to transform dinosaur bones into dynamic drawings. After walking them through the five-step process outlined below, the activity challenges kids to create their own drawings from dinosaur skeletons|Step 1: Start with the bones. Step 2: Give those bones a body. Step 3: Shadow time!Step 4: Scaly skin and maybe feathers. Step 5: There's no place like home.
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Cicero, Pro Caelio § 76 (Natural)
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