Rivers support billions of people but are among the least protected parts of nature. A major review shows what needs to be done as climate change accelerates.

A key characteristic of modern human society is rapid urbanization, a process that can reshape natural environments and disrupt the habitats of many organisms. One widespread byproduct of urbanization ...

How do plants adapt to drought and heat? New studies on plants of the Canary Islands show that adaptation is not determined by a single character but by the interaction of entire sets of characters.

Constipation is often treated as a simple plumbing problem, too little movement, too much delay. But emerging research ...