Every year, on July 6, thousands of people gather in the Plaza Consistorial in Pamplona, Spain, for the opening ceremony of ...

Overcrowding can lead to disaster, and yet the dynamics of dense groups of people are poorly understood. Analysis of a festival uncovers collective rotational movements that emerge at critical ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...