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The Colorado State Demography Office (SDO) applies a basic Components of Change Method to create annual (July 1) State and County Population Estimates. The method varies slightly for our July 1st 2010 estimates in that it starts with the April 2010 Census counts and then applies components of change (births, deaths, net migration) from April 1st through June 30th 2010. The rest of the decade the estimates will be based July 1st to July 1st.
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Make science simple! This book features easy and fun Science Experiments with Food using household items. Young readers can assemble experiments at home from a Lemon-Powered Lightbulb to Disco Dancing Spaghetti. No laboratory needed! Each activity includes easy instructions with how-to photos, and short science explanations. Use fun to introduce math and science to kids. Super simple says it all. Aligned to Common Core Standards and correlated to...
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Despite its potential, research is often critiqued for being not as usable for decision making in practice. This guide provides tangible, tested ways for making science more usable based on our experience in the Western Water Assessment as well as other input. It also highlights examples of researchers at CU Boulder who have produced usable research to serve practical needs.
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"Today we think statistics are the enemy, numbers used to mislead and confuse us. That's a mistake, Tim Harford says in The Data Detective. We shouldn't be suspicious of statistics-we need to understand what they mean and how they can improve our lives: they are, at heart, human behavior seen through the prism of numbers and are often "the only way of grasping much of what is going on around us." If we can toss aside our fears and learn to approach...
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"What if there had been no World War I or no Russian Revolution? What if Napoleon had won at Waterloo in 1815, or if Martin Luther had not nailed his complaints to the church door at Wittenberg in 1517, or if the South had won the American Civil War? The questioning of apparent certainties or 'known knowns' can be fascinating and, indeed, 'What if?' books are very popular. However, this speculative approach, known as counterfactualism, has had limited...
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"Where does great physics come from? As a young graduate student, cosmologist Stephon Alexander had a life-changing lesson in the subject. When asked by the legendary theoretical physicist Christopher Isham why he had attended graduate school, Alexander answered: "To become a better physicist." He could hardly have anticipated Isham's response: "Then stop reading those physics books." Instead, Isham said, Alexander should start listening to his dreams....