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 ...

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 ...

Animals, including humans, feel sound as well as hear it, and some of the most meaningful audio communication happens at frequencies that people can't hear. Elephants, for example, use these ...

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 ...

Tiny insects called treehoppers produce very different mating songs at higher versus lower temperatures, but the intended recipient still finds the changed songs attractive. Insects can be noisy. But ...

Loading external pages may require significantly more data usage than loading CBC Lite story pages. Some creatures are so quiet, they appear to make no sound at all. When a male treehopper calls out ...