Alchemy, the flat earth theory, lost worlds, and aliens among us: these ideas once seemed plausiblebut now we know they re just plain wrong. Take a fun journey through the history of science as it transforms from a field of wild speculation into a powerful tool of understanding. Explore the world in upheaval as Earth changed from center of the universe to a smallish planet orbiting an average star. Find out about hidden races and unknown creatures (like Yetis); early and bizarre thoughts on evolution; ancient astronauts and UFO crazes; the music of the spheres; the acquisition of virtues through cannibalism, and much more "