Download or read book Nature’s Clocks written by Doug Macdougall and published by Univ of California Press. This book was released on 2009-10-20 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A lucid and engaging account of the scientific revolution that changed the way we think about our planet and ourselves."—James Lawrence Powell, author of Grand Canyon and Mysteries of Terra Firma