Download e-book for iPad: Arrival of the Fittest: Solving Evolution's Greatest Puzzle by Andreas Wagner

By Andreas Wagner

ISBN-10: 1101628162

ISBN-13: 9781101628164

“Natural choice can protect concepts, however it can't create them. Nature’s many innovations—some uncannily perfect—call for traditional ideas that speed up life’s skill to innovate.”

Darwin’s concept of usual choice explains how important variations are preserved through the years. however the largest secret approximately evolution eluded him. As genetics pioneer Hugo de Vries placed it, “natural choice may perhaps clarify the survival of the fittest, however it can't clarify the coming of the fittest.”

Can random mutations over a trifling 3.8 billion years quite be chargeable for wings, eyeballs, knees, camouflage, lactose digestion, photosynthesis, and the remainder of nature’s artistic marvels? And if the answer's no, what's the mechanism that explains evolution’s pace and efficiency?

In Arrival of the Fittest, well known evolutionary biologist Andreas Wagner attracts on over fifteen years of study to provide the lacking piece in Darwin's idea. utilizing experimental and computational applied sciences that have been heretofore unimagined, he has chanced on that diversifications aren't simply pushed by accident, yet through a collection of legislation that let nature to find new molecules and mechanisms in a fragment of the time that random version could take.

Consider the Arctic cod, a fish that lives and flourishes inside of six levels of the North Pole, in waters that frequently fall less than zero levels. At that temperature, the inner fluids of so much organisms become ice crystals. And but, the arctic cod survives through generating proteins that reduce the freezing temperature of its physique fluids, very similar to antifreeze does for a car’s engine coolant. the discovery of these proteins is an archetypal instance of nature’s huge, immense powers of creativity.

Meticulously researched, conscientiously argued, evocatively written, and whole of interesting examples from the animal country, Arrival of the Fittest deals up the ultimate puzzle piece within the secret of life’s wealthy diversity.

Publication date: 10/2/2014
Pages: 304

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Extra info for Arrival of the Fittest: Solving Evolution's Greatest Puzzle

Example text

The differential collision rate per unit volume per unit time can be developed via simple geometry. Imagine that molecule A is moving at relative velocity g~ within a field of stationary B molecules. 25) where cr is the collision cross-section (m 2) of molecule A. The crosssection is a function of s~ and the collision geometry (including angular dependence). For one molecule A, there will be a collision with a 18 C H A P T E R 2. 4 (adapted with permission from Vincenti and Kruger [29]). molecule B every time one B appears inside the swept volume.

This book, therefore, should be used simultaneously with other sources on diagnostic techniques in order to develop a broad understanding. One successful approach used in graduate coursework in the past has been to use both this material and the book by Eckbreth [1] or the book by Kohse-HSinghaus and Jeffries [3] which has just been published. In such a course, the material in this book is used to explain formalisms that appear in a diagnostics book (or article). Much of the material is presented in a lecture format, starting from basic concepts (from this book) and leading to a well-known diagnostic expression (found in the diagnostics book).

Both this book and the diagnostics text provide the necessary background. The class then meets to agree upon a group approach to the experiment, which is then performed in the lab. Each student then discusses results in a report, comparing experimental outcomes to expectations based upon their individual preparatory assignments. Draft versions of this book have also been used by individual students outside of a formal course, during the performance of their research. Again, the combination of this text and more diagnostic-specific 8 CHAPTER1.

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Arrival of the Fittest: Solving Evolution's Greatest Puzzle by Andreas Wagner

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