Researchers saw spikes in hospital visits, inhaler refills and violent crime in areas inundated by wildfire smoke.
Psychological and brain development extends years beyond the end of puberty, new research shows.
As law enforcement increasingly uses body-worn cameras, researchers are studying the roles of camera design and perspective.
Experts debate the legal promise and pitfalls of technology for peering into people's minds.
Mathematical model shows how fear of crime can spread even when risk is low.