Link? What did they learn about cicadas? What is that stalagmite looking thing? What does the condom do? So many questions

Researchers have found that clay towers built by young Amazonian cicadas protect the insects from predators and help regulate air flow during their final stage of development.

"Anything can be a dildo if you are brave enough"

Why is there a stalagmite in the forest and what does that have to do with cicadas?