books.google.com - In The Medea Hypothesis, renowned paleontologist Peter Ward proposes a revolutionary and provocative vision of life's relationship with the Earth's biosphere--one that has frightening implications for our future, yet also offers hope. Using the latest discoveries from the geological record, he argues...http://books.google.com/books/about/The_Medea_Hypothesis.html?id=sjco5_9R7xYC&utm_source=gb-gplus-shareThe Medea Hypothesis
