Hidden Bibliographic Details
| ISBN: | 0520933443
9780520933446
9781435684737
1435684737
9780520249752
0520249755
1281752622
9781281752628
9786611752620
6611752625
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| Notes: | Includes bibliographical references (pages 257-263) and index.
English.
Print version record.
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| Summary: | Radioactivity is like a clock that never needs adjusting, writes Doug Macdougall. "It would be hard to design a more reliable timekeeper." In Nature's Clocks, Macdougall tells how scientists who were seeking to understand the past arrived at the ingenious techniques they now use to determine the age of objects and organisms. By examining radiocarbon (C-14) dating?the best known of these methods?and several other techniques that geologists use to decode the distant past, Macdougall unwraps the last century's advances, explaining how they reveal the age of our fossil ancestors such as.
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| Other form: | Print version: Macdougall, J.D., 1944- Nature's clocks. Berkeley : University of California Press, ©2008
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