population policy
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July 24, 2008 presentation by Stephen Schneider for the Stanford University Office of Science Outreach's Summer Science Lecture Series. Professor Schneider discusses the local, regional, and international actions that are already beginning to address global warming and describe other actions that could be taken, if there were political will to substantially reduce the magnitude of the risks.
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Google tries to keep an entertaining and enriching corporate culture by taking company trips and implementing a dog-friendly policy.At the same time, the company tries to maintain an entrepreneurial culture by forming small teams that act like individual startups. The founders have discovered that the groups tend to become more traditional as they grow larger.
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Google has been caught in the middle of free speech vs. censorship issues. The Digital Millennium Copyright Act states that if a company removes information from the internet when requested, they cannot be held liable. If the company is then counter-notified, they can put the information back up and remain legally neutral. Google has followed this policy, says co-founder Larry Page, but it has nevertheless sparked controversy.
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Government and Entrepreneurship: The Evolution of Entrepreneurship in China
Stanford / Entrepreneurship
Tarun Khanna, Professor at Harvard Business School, argues that the old equation that government = inefficient does not hold unilaterally but depends on the context. To illustrate, Khanna describes the evolution of the Communist Party of China and its efforts to co-opt entrepreneurs so that now the government and entrepreneurship is very closely integrated. In contrast, Khanna suggests that in India entrepreneurs keep their distance from t...more
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Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.
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In this lecture, Professor Freeman discusses Benedict Arnold as a case study of the ways in which ideas about regionalism, social rank, and gender--and the realities of the Continental Congress and the Continental Army--played out in this period. Like many Americans during this period, Benedict Arnold thought that he could improve his social rank and reputation in the military, but he was unable to advance due to the Continental Congress's...more
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Genetics controls evolution. There are four major genetic systems, which are combinations of sexual/asexual and haploid/diploid. In all genetic systems, adaptive genetic change tends to start out slow, accelerate in the middle, and occur slowly at the end. Asexual haploids can change the fastest, while sexual diploids usually change the slowest. Gene frequencies in large populations only change if the population undergoes selection.
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Until recently, the world population has been growing faster than exponentially. Although the growth rate has slowed somewhat, there are about 80 million more people each year and about 3 billion more will be added by 2050 (a 50% increase). Population will probably increase more beyond that. Such growth is unprecedented and we cannot predict its long-term effects. The environmental impact of this population increase is bound to be astronom...more
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Hypothesis Test Comparing Population Proportions.
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Introduction to Evolution, Variation in a Population and Natural Selection
Khan Academy / Philosophy
Introduction to evolution, variation in a population and natural selection.
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Alan Garber, MD, PhD, professor of medicine and the director of the Center for Health Policy and of the Center for Primary Care and Outcomes Research at Stanford University, discusses the importance of distinguishing between a treatment's effectiveness and its value, and in turn what role evidence-based medicine should play in today's coverage decisions.
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Geography is very important in ecology. Two major systems have been designed to model this, island biogeography and metapopulations. The idea of metapopulations is more recent, and has emerged as the dominant theory. Metapopulations are populations in multiple neighboring areas. The population of a species in any individual area may go extinct, but the metapopulation still survives. The theory of metapopulations has gained momentum in rece...more
