What would you get if you crossed a wasp and a mantis? And no, this isn’t MCU fan fiction. The very real animal kingdom has just such a creature, called a mantisfly. But it is neither praying mantis ...

Fruit flies are generally highly susceptible to parasitic wasps, but some have stolen a gene from bacteria that makes them resistant. This adult fly, Drosophila melanogaster, has two cysts (made dark ...