If earth survived prehistoric periods of higher CO2, when man and industry had nothing to do with it, why are we worrying about CO2 now? (vanityfair.com)
Houses articles dating from prehistoric periods up to 1945. (vietnam-guide.com)
Led by Thomas Cucchi of National Center for Scientific Research in Paris, France, and Lior Weissbrod of the University of Haifa in Israel, the study set out to explain large swings in the ratio of house mice to wild mice populations found during excavations of different prehistoric periods at an ancient Natufian hunter - gatherer site in the Jordan Valley of Israel. (sciencedaily.com)