If you’ve ever been to a farm (or a homestead!), you’ve probably noticed that chickens are almost never kept alone. Their coops contain numerous hens, as well as a rooster or two, and they seem to ...

Flocking animals, such as hundreds of birds sweeping across the sky in unison, are a mesmerizing sight. But how does their collective motion – seen in many species, from swarming locusts to schooling ...