The invasion of non-native species can sometimes lead to large and unexpected ecosystem shifts, as Douglas Kamaru and colleagues demonstrate in a unique, careful study that traces the links between ...

“The ant and the zebra” sounds like the title of one of Aesop’s fables. Like all good fables, this one has a moral, which is that tinkering with nature has unpredictable consequences. Unlike the Greek ...

Mutualism describes a relationship that benefits both parties – the win-win of our world. A new study reports on a mutualism that goes from ants to trees to elephants to lions and zebras. It serves as ...