Read an abridged version of Alex Chadwick's discussion with Rex Cocroft and his colleague, Dr. Chung Ping Lin, as they search for treehoppers in the Amazon. Of all the creatures humans encounter on ...

A group of treehoppers sit on a plant stem in University of Missouri Professor Rex Cocroft's lab. Humans can't hear the vibrations these insects use to communicate with, but Cocroft has been able to ...

Some creatures are so quiet, they appear to make no sound at all. When a male treehopper calls out for a mate, he shakes his abdomen 100 times a second to produce a low sound that vibrates through the ...

This treehopper in a greenhouse at Saint Louis University would not normally have a purple horn or "pronotum." It was painted that color for identification purposes. (Veronique LaCapra/St. Louis ...

The Tiputini Biodiversity Center in eastern Ecuador is situated in one of the wildest and most remote areas of the Amazon rainforest. NPR's Alex Chadwick just spent a week there with scientists who ...

Evidence suggests at least one group of insects, the tiny treehopper, communicates using sound vibrations. Researcher Rex Cocroft has scoured a... Societies of Sound in the Forest Societies of Sound ...