Why did T-Rex become extinct? Why did the Mayan civilization disappear? If the ancient Israelis did indeed cross the Red Sea, as reported in the Bible, what weather phenomena might have produced the parting of the waters? Why was nearly all human life swept away 73,000 years ago? And what factors created the Great American Dustbowl of the 1930s?The extraordinary people who are interested in asking-and answering-such questions are known as climatologists...