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A Lil' Bert Can't Hurt: Words and Wisdom for Daily Life

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Bert McCoy

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“Population momentum is a consequence of the demographic transition. Population momentum explains why a population will continue to grow even if the fertility rate declines. Population momentum occurs because it is not only the number of children per woman that determine population growth, but also the number of women in reproductive age. Eventually, when the fertility rate reaches the replacement rate and the population size of women in the reproductive age bracket stabilizes, the population achieves equilibrium and population momentum comes to an end. Population momentum has implications for population policy for a number of reasons. 1. With respect to high-fertility countries (for example in the developing world), a positive population momentum, meaning that the population is increasing, states that these countries will continue to grow despite large and rapid declines in fertility. 2. With respect to lowest-low fertility countries (for example in Europe), a negative population momentum implies that these countries may experience population decline even if they try to increase their rate of fertility to the replacement rate of 2.1. For example, some Eastern European countries show a population shrinkage even if their birth rates recovered to replacement level. Population momentum can become negative if the fertility rate is under replacement level for a long period of time.”

OverpopulationDemographic WinterSub Replacement Fertility
Author:Wikipedia: Population Momentum
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“I don't think science is hard to teach because humans aren't ready for it, or because it arose only through a fluke, or because, by and large, we don't have the brainpower to grapple with it. Instead, the enormous zest for science that I see in first-graders and the lesson from the remnant hunter-gatherers both speak eloquently: a proclivity for science is embedded deeply within us, in all times, places and cultures. It has been the means for our survival. It is our birthright.”

Science
Book:The Demon-Haunted World: Science as a Candle in the Dark
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“In three years of backbreaking studies that, according to Madison, "exacted perhaps the most severe of Jefferson's public labors," Jefferson had almost single-handedly provided "a mine of legislative wealth" that provided Virginians with a modern republic built on the foundations of Greece and Rome. It became a model for other states and the pattern after which the federal republic of the United States was modeled. Jefferson, in short, in his legal laboratory atop Monticello, invented the United States of America.”

LegislationVirginiaUnited States GovernmentThomas Jefferson
Book:Thomas Jefferson: A Life
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