منابع مشابه
The population bomb
The biologist Paul Ehrlich came to public attention in 1968 with the publication of his book, The Population Bomb. Worries about the potential problems of a soaring global population had boiled and cooled over previous decades. And the issue had become so enmeshed with political decisions that many just wished to ignore it. The warnings of Thomas Malthus, the eighteenth century writer who had h...
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The relationship between population structure and violent conflict is complex and heavily dependent on the behavior of other variables like governance, economic prospects, and urbanization. While addressing rapid population growth might be a necessary condition for peace, it is by no means sufficient. Concomitant steps must also be taken to foster inclusivity, guarantee broader rights for all, ...
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The question of what effects nuclear weapons have on an actor’s success in coercive diplomacy is in part a function of how nuclear weapons change the perceived costs of conflict. We argue that states will be able to prevail in improving their allotment of a good or in convincing an opponent to back down, and have shorter crises, if their opponents have greater expected costs of crisis. Noting, ...
متن کاملHow the World Survived the Population Bomb: Lessons From 50 Years of Extraordinary Demographic History
The world population will reach 7 billion in late 2011, a demographic milestone that is causing renewed attention to the challenges caused by population growth. This article looks at the last 50 years of demographic change, one of the most extraordinary periods in demographic history. During this period, world population grew at rates that have never been seen before and will almost surely neve...
متن کاملThe New Smri Nutsch Bomb
The SMRI has developed a new nutsch bomb which has several advantages over existing models. It is lighter, easier to load/clean and separates molasses at a faster rate. Puri-ties of molasses from the SMRI bomb were the same as those from conventional nutsch separators. Introduction The conventional nutsch bomb using a horizontal screen arrangement had proved to be very slow in extracting
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ژورنال
عنوان ژورنال: Current Biology
سال: 2008
ISSN: 0960-9822
DOI: 10.1016/j.cub.2008.06.036