As mining interests deepen in the southeastern Pacific, researchers are racing the clock—and pushing the frontiers of science—to understand this unknown stretch of sea.
We've spent billions of dollars on dikes, locks, and levees in a vain attempt to subdue what Mark Twain called "that lawless stream." Is it time to let the river have its way?
As poaching pushes the rhino toward extinction, South Africa considers a radical solution: Legalize the very thing that is killing them. It'd make some people very rich. But would it doom the species?
