Cамка Светлячка-вампир имитирует чужие любовные сигналы и съедает обманутых самцов

The warm summer glow we've been chasing since childhood actually speaks a precise code—and some have learned to counterfeit it. Why does the female of one firefly species mimic the love calls of others to lure other males? What does she steal from them, along with their lives, and why—and what does this have to do with the millions-of-year arms race? And also, how a tiny beetle outdid human engineering in light efficiency, and why its flashlight is now helping scientists search for life on other planets.