Homeland Security

How do communities respond to frequent, recurring natural disasters?

Software can sort illicit materials from mixed nuclear samples, study says

Systems of plants and soil can relieve flooding in cities, new report says

State of safety: Quakes are common in west Texas, but rarely destructive

Lethal agents: Study examines options for emergency treatment

Sniff test: Detecting contraband without opening containers

How do most people get warnings about emergencies? Social media

Volunteer action: Study examines how groups respond to disasters