For many locusts, life in a swarm is a picnic. Crowded conditions create a locust-eat-locust world. But it turns out some migrating insects deploy a “don’t-eat-me” pheromone that can deter their ...

"They're very destructive when there's a lot of them, but one-on-one, what's not to love?" says Arianne Cease. She's talking about locusts. As the director of Arizona State University's Global Locust ...