Darwin's First Theory

Everybody knows-or thinks they know-Charles Darwin, the father of evolution and the man who altered the way we view our place in the world. But what most people do not know is that Darwin was on board the HMS Beagle as a geologist-on a mission to examine the land, not flora and fauna.Tracing Darwin's footsteps in South America and beyond, geologist Rob Wesson sets out on a trek across the Andes, repeating the nautical surveys made by the Beagle's crew, hunting for fossils in Uruguay and Arg...