Written in coconut DNA are two origins of cultivation, several ancient trade routes, and the history of the colonization of the AmericasThe coconut (the fruit of the palm Cocos nucifera) is the Swiss Army knife of the plant kingdom; in one neat package it provides a high-calorie food, potable water, fiber that can be spun into rope, and a hard shell that can be turned into charcoal. What’s more, until it is needed for some other purpose it serves as a handy flotation device. No wonder people from ancient Austronesians to Captain Bligh pitched a few coconuts aboard before setting...