Download Ultrasociety: How 10,000 Years of War Made Humans the by Peter Turchin PDF

By Peter Turchin

Persist with Peter Turchin on an epic trip via time. From stone-age assassins to the orbiting cathedrals of the gap age, from bloodthirsty god-kings to India’s first vegetarian emperor, realize the key background of our species—and the evolutionary good judgment that ruled all of it.

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Extra info for Ultrasociety: How 10,000 Years of War Made Humans the Greatest Cooperators on Earth

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He supported the idea of the plurality of worlds since an infinite number of atoms (likely to collide with each other) could have led to an infinite number of worlds. In his Letter to Herodote, he clearly proposed arguments in favor of the existence of other worlds inhabited by living beings (Raulin et al, 1997). Atomism was also adopted by Lucretius (99-55 BC): other worlds must exist “ since there is unlimited space in every direction, and since seeds innumerable in number and unfathomable in sum are flying about in many ways driven in everlasting movement ” (Lucretius, quoted in Dick, 1996).

In this way, Kepler provided revolutionary arguments to prove that laws of physics were appropriate on the Earth as well as on other celestial bodies of the solar system (such as the Moon) (Lear, 1965). In fact, if The Dream looked like fiction in the narrative part of the book, numerous and rich footnotes (longer than the main text) provided a lot of accurate information on astronomy and on data related to pluralism. For instance, these footnotes furnished pertinent remarks on the possibility of inhabiting the Moon and on the question of the origin of life (Kepler, in Lear, 1965).

The first application of this strategy was carried out by the astronomer Franck Drake in 1960 and a few years later (in 1965), the committee CETI (Communication with Extra Terrestrial Intelligence) was established. The term CETI changed to SETI (Search for Extra Terrestrial Intelligence) in 1986 in order to express its growing interest in every possible kind of search for extraterrestrial civilizations (Almar, 1988). 10. Conclusion By changing from an every-day process of spontaneous generation to a single process of chemical evolution having occurred once in the past, the problem of the origin of life switched from the status of an observational science to the one of a historical reconstruction.

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