A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

See it →Desert creature covered in ‘large’ spikes found hiding under rock. It’s a new species ... in the Brahmaputra River ...

Percolation - The downward movement of water from the soil into the rock beneath. Drainage basin - the area of land drained by a river. Channel - the bed and banks that form the route of the river.