Standing in a tropical forest at night, you might hear what sounds like a small bird calling from high in the canopy. Listen ...

Back when she was a graduate student, Robin Tinghitella learned something surprising: Birds can deduce the genetic quality of potential mates through smell. "I thought that was the craziest thing I ...

Chaos theorists refer to the “butterfly effect” to describe seemingly insignificant events — like the ripple of a butterfly’s wing — that can have unintended consequences. But there might be a more ...