Summary: <p><a href="http://poptech.org/iain_d_couzin">Iain Couzin</a> studies how animals coordinate behavior. He has discovered that locust plagues don’t occur because the insects are cooperating. Rather, it is a forced march: if they stop, they risk being cannibalized. Such insights help communities to track oncoming outbreaks while also challenging scientists’ theories of collective animal behavior.</p>
