CARBONDALE, Ill. — What is killing the world’s frogs and salamanders? Zoologist Karen R. Lips of Southern Illinois University Carbondale can’t put the cuffs on just yet, but she says her research team ...

Karen Lips knew a wave of frog death was coming. The frog-killing Batrachochytrium dendrobatidis, or chytrid, fungus had begun ravaging amphibian populations in Costa Rica in the early 1990s, and by ...

The ecologist Karen Lips observed frogs for several years in Central America. She left briefly, and when she returned, the frogs were gone. She sets out to find them and encounters a horrible truth.

It was December of 1996 when Karen Lips turned up the first bodies—and finally felt an ember of hope. As a graduate student working in the muggy forests of Central America, she’d noticed that an ...