<ul><li>Physics World Stories explores the world of crowd dynamics and the surprising science behind how animals and people move together in large groups.</li><li>Science writer Philip Ball discusses the principles behind the movement of sheep in flocks and how physics can inform herding tactics.</li><li>Alessandro Corbetta talks about his research on pedestrian flow, which won him an Ig Nobel Prize and helps understand the movements of human crowds in busy spaces.</li><li>Corbetta shares how winning the Ig Nobel has given his research a broader audience than expected.</li></ul>

Flocking together: the physics of sheep herding and pedestrian flows

Discover more