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Learn more about the National Academies' resources and activities on strengthening disaster resilience. A new video from the National Research Council explains the conditions that have triggered some small earthquakes during various energy production activities. Kids and adults alike are invited to enjoy hands-on science activities every Saturday and Sunday from noon-4 p.m. at the Koshland Science Museum. Check out the latest issue of The National Academies In Focus. Explore relationships among the arts and sciences, engineering, and medicine through the Cultural Programs of the National Academy of Sciences. Learn about our various international efforts to help address global challenges.

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AGENCY FOR TOXIC SUBSTANCES & DISEASE REGISTRY - SEPT 2008 - ToxFAQs™ for Perchlorates ToxFAQsTM for Perchlorates (Percloratos) September 2008 PDF Version, 38 KB This fact sheet answers the most frequently asked health questions (FAQs) about perchlorates. Our Projects – some up already, some in the works, all in development… OpenCongress OpenCongress was conceived by the Participatory Politics Foundation in 2004. OpenCongress was initially built and launched publicly in 2007 with the Sunlight Foundation as founding and primary supporter. PPF grew the site into the most-visited not-for-profit site for tracking the U.S. Congress, operating it into 2013.

Using Technology to Differentiate Instruction - TheApple.com Resources >> Browse Articles >> Utilizing Technology Featured Author: Mrs. Federal Facilities Restoration and Reuse Office (FFRRO) Federal Facility Contaminants of Concern Technical Fact Sheets The US Environmental Protection Agency (EPA) Federal Facilities Restoration and Reuse Office (FFRRO) published the following technical fact sheets, which provide brief summaries of contaminants of concern that present unique issues and challenges to the environmental community in general and to FFRRO in particular. Each fact sheet provides a brief summary of the contaminant, including physical and chemical properties, environmental and health impacts, existing federal and state guidelines, and detection and treatment methods. Sources of additional information about each contaminant are also included in the fact sheets.

Finding Canadian statistics Finding Canadian Statistics Introduction Facts or figures are often used in studies or reports to make a point. These values, which are often referred to as statistics, tend to be aggregate counts, totals, sums, or averages. Pew Releases Teens and Technology (2013) The Pew Research Center, part of the Berkman Center for Internet and Society at Harvard University has released its 2013 Teens and Technology Report. In this report, the researchers survey and report on how teens (12-18) access technology and what devices they do so with. Highlights of this year’s findings include:

EPA 24/06/02 REPORT ON THE PEER REVIEW OF THE U.S. ENVIRONMENTAL PROTECTION AGENCY'S DRAFT EXTERNAL REVIEW DOCUMENT "PERCHLORATE Archive disclaimerArchived files are provided for reference purposes only. The file was current when produced, but is no longer maintained and may now be outdated. Persons with disabilities having difficulty accessing archived files may contact the NCEA Webmaster for assistance. Please visit to access current information. Report Information This report summarizes the comments made at a two-day independent scientific peer review meeting on the Agency's draft assessment of health and ecotoxicological effects of perchlorate, entitled Perchlorate Environmental Contamination: Toxicological Review and Risk Characterization.

Our Government "Governments are instituted among Men, deriving their just Powers from the Consent of the Governed." — Thomas Jefferson, the Declaration of Independence Since the Second Continental Congress declared America's independence from Great Britain on July 4, 1776, the United States government has sought to realize the fundamental principle on which our nation was founded: that all people have the right to life, liberty, and the pursuit of happiness. This principle was formalized in 1788 with the ratification of the Constitution. That document — still the supreme law of the United States — became the foundation of a federal government that allowed the several states to act together as one, while protecting the sovereignty of each individual state. To ensure that no person or group would amass too much power, the founders established a government in which the powers to create, implement, and adjudicate laws were separated.

Technology Integration: Essential Questions (Page 1 of 2) Technology Integration is a four part series on essential questions, technology integration resources, web page design, and multimedia in projects. Sections contain relevant opening essays and resources. Part 1: Essential Questions Essential Questions (Page 1): Essential Questions (Page 2): How should technology be used? What are courseware and digital content types for mathematics? What principles should guide your approach for integrating technology into instruction?

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