Evolution: A Scientific American ReaderScientific American University of Chicago Press, 2008 M09 15 - 312 páginas From the Scopes “Monkey Trial” of 1925 to the court ruling against the Dover Area School Board’s proposed intelligent design curriculum in 2005, few scientific topics have engendered as much controversy—or grabbed as many headlines—as evolution. And since the debate shows no signs of abating, there is perhaps no better time to step back and ask: What is evolution? Defined as the gradual process by which something changes into a different and usually more complex and efficient form, evolution explains the formation of the universe, the nature of viruses, and the emergence of humans. A first-rate summary of the actual science of evolution, this Scientific American reader is a timely collection that gives readers an opportunity to consider evolution’s impact in various settings. |
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... Big Bang CHARLES H. LINEWEAVER AND TAMARA M. DAVIS 72 The Evolution of the Earth CLAUDE J. ALLÈGRE AND STEPHEN H. SCHNEIDER CELLULAR EVOLUTION 87 99 Uprooting the Tree of Life W. FORD DOOLITTLE The Birth of Complex Cells CHRISTIAN DE ...
... big bang cosmology . The major claim of the theory is that in the large - scale average the universe is expanding in a nearly homogeneous way from a dense early state . At pres- ent , there are no fundamental challenges to the big bang ...
... big bang. Hoyle intended to disparage the theory, but the name was so catchy it gained popularity. It is somewhat misleading, however, to describe the expansion as some type of explosion of matter away from some particular point in ...
... big bang is a func- tion of the present value of Hubble's constant and its rate of change. As- tronomers have determined the approximate rate of the expansion, but no one has yet been able to measure the second value precisely. Still ...
... big bang model of the universe. If the theory is correct, everything in the visible universe should be younger than the expansion time com- puted from Hubble's law. These two timescales do appear to be in at least rough concordance. For ...
Contenido
Cellular Evolution | 85 |
Dinosaurs and Other Monsters | 169 |
Human Evolution | 249 |
Contents | 362 |
Illustration Credits | 364 |
The Evolution of the Universe | 1 |
Cellular Evolution | 85 |
Dinosaurs and Other Monsters | 169 |
Human Evolution | 249 |