What do you know about them beyond “They’re the ones with the green heads”?

BIOLOGY
Juan Pablo Culasso has turned his perfect pitch into a career in nature recording.
Researchers say only 1/1000th of 1 percent have been identified to date.
Here's a good reason to avoid ditching those veggie scraps.
In the spring of 2021, the cicadas of Brood X will surface in the Eastern U.S. for the first time in 17 years.