Alva Review-Courier -

WASHINGTON (AP) — Fireflies flash not just for sex, but survival, a new study suggests.

Scientists wanted to find out if there's more to the lightning bug's signature blinking glow than finding a mate. Some experts had speculated it was a glaring signal to predators, like bats, that fireflies taste bad.

To test out whether the glow acted like a flashing bad Yelp review, researchers at Boise State University put bats and fireflies in front of high-speed cameras. They published their results in Wednesday's journal Science Advances .

The painstaking experiment required researchers to introduce we...