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 ...

A good chunk of the world are fine eating the nearly 2,000 species of edible bugs that share the globe with us. Anthropologists say early man depended on them. According to Pliny the Elder, Roman ...