In Crowd Control, we asked slack-rockers and gig etiquette aficionados, Bloody Knees how to get the best out every show.
Police in northern India have reportedly acquired pepper-spraying drones intended for use on protesters and others labeled as threats to public safety.
I spoke to Professor Anna Feigenbaum about riot-control style through the ages and how "non-lethal" weapons manufacturers use opportunities like the World Cup protests to showcase their best gear.
PhD candidate Dorine Duiven is researching crowd behavior to keep your summer disaster-free.
Desperate jobseekers died in crushes across Nigeria as around half a million people were invited to apply for 4,500 government posts.