The Fifth Miracle
The Search for the Origin and Meaning of Life
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Beschreibung des Verlags
ARE WE ALONE IN THE UNIVERSE?
In his latest far-reaching book, The Fifth Miracle, internationally acclaimed physicist and writer Paul Davies confronts one of science's great outstanding mysteries -- the origin of life.
Three and a half billion years ago, Mars resembled Earth. It was warm and wet and could have supported primitive organisms. If life once existed on Mars, might it have originated there and traveled to Earth inside meteorites blasted into space by cosmic impacts?
Davies builds on the latest scientific discoveries and theories to address the larger question: What, exactly, is life? Is it the inevitable by-product of physical laws, as many scientists maintain, or an almost miraculous accident? Are we alone in the universe, or will life emerge on all Earth-like planets? And if there is life elsewhere in the universe, is it preordained to evolve toward greater complexity and intelligence?
On the answers to these deep questions hinges the ultimate purpose of mankind -- who we are and what our place might be in the unfolding drama of the cosmos.
PUBLISHERS WEEKLY
With ease and charm, and without dumbing down the pertinent technical and philosophical issues, popular-science writer Davies (Are We Alone?: The Philosophical Basis of the Search for Extraterrestrial Life, etc.) combines research results from disparate fields to explore possible approaches to the question of biogenesis. Although he was trained as a physicist, Davies skillfully draws together insights from hot areas in microbiology--such as the study of extremophiles (bacteria that thrive in dangerous levels of acidity, cold, heat, radioactivity), the discovery of a third domain of life and the controversy over whether traces of carbon on Martian meteorites are actually fossilized bacteria--in his pursuit of a fundamental question: What is the origin of biological (and thus genetic) information? He is skeptical that purely biochemical forces could spark the leap from nonlife to life. At stake is another question: Is the universe bio-friendly? Davies believes that the answers to these questions involve identifying a new "law" of nature, which may come from advances in information and complexity theory. He contends it is possible that quantum mechanics also may be found to play a role in the relationship between life and the universe at large. This book is sure to engage and provoke readers curious about the raging controversies over the origin of life, on Earth or elsewhere. Seven line drawings.
