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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