The day the Earth moved

摘要

IT WAS 1967, and a profound shift in our understanding of the planet was taking place. In San Francisco, hippies gathered to celebrate counterculture and jolt our social consciousness. Meanwhile, in the far south of California, a young geologist was working on an idea that would cause as profound a revolution in Earth science as the discovery of DNA in biology. Dan McKenzie spent the Summer of Love figuring out the theory of plate tectonics.