Lynn R Sykes: 2 books

The theory of plate tectonics transformed earth science. The hypothesis that the earth’s outermost layers consist of mostly rigid plates that move over an inner surface helped describe the growth of new seafloor, confirm continental drift, and explain why earthquakes and volcanoes occur in some...

In December 2016, the Bulletin of Atomic Scientists moved their iconic “Doomsday Clock” thirty seconds forward to two and a half minutes to midnight, the latest it has been set since 1952, the year of the first United States hydrogen bomb test. But a group of scientists—geologists, engineers,...