Monday morning, scientists working for the Department of Homeland Security will begin releasing (nontoxic) gases and particles on crowded subway platforms, beginning a week-long airflow study aimed at measuring the impact of a nightmarish chemical or biological terrorist attack.
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Thousands of police and their supporters are expected in Washington, D.C. this week to celebrate National Police Week and honor officers who have died in the line of duty. The Fraternal Order of Police, Concerns of Police Survivors (C.O.P.S.) and other organizers will observe National Police Week with memorials, conferences and other activities between May 11 and May 16.

Jonathan Mossberg is among a small number of pioneers looking to build a safer gun. But unlike many others, he was in the gun business when he started down that path.

The images are ones of devastation — scorched homes, virtually whole neighborhoods burned to the ground. It rained a little Sunday morning in Fort McMurray, but Canadian officials say they expect to fight the massive wildfire that has destroyed large parts of Alberta's oil sands town for months.

A study of a cluster of Ebola cases that appeared in Liberia last year, months after the country was declared Ebola-free, has found that the virus re-emerged after lying dormant in a female survivor.
The results suggest Liberia and the other African countries at the center of the outbreak should maintain high levels of vigilance for longer than thought to contain any future flare-ups of the deadly haemorrhagic fever.

A breakthrough from the biotech world has shown promise for curing deadly diseases, but now gene editing is listed by U.S. Intelligence as a possible "weapon of mass destruction."
This technology shows so much promise, but in this uncertain world, top U.S. officials are concerned about terrorists using it to find some new way to attack.
The “Internet of Things” holds enormous potential for cities and counties across America. Connecting data-rich items – such as computing devices, machines and grids – stands to improve efficiencies and enhance productivity in the sector.

The National Association of Emergency Medical Technicians releases its 2015 Annual Report with a special recap of the association's 40-year anniversary of pursuing excellence for our profession and patients.

The first call Cameron Fire Chief Mike O’Donnell responded to was a house fire 30 years ago. He had just started with the fire department.
“Back when I got on the department, I probably waited three or four years on a waiting list before I could get on. And today, I don’t even have a list,” O’Donnell said. “To have a list these days, you don’t see that anymore.”

Some law enforcement agencies are making use of Unmanned Aircraft Systems to photograph and process crime scenes, assist with search and rescue operations, and help with other emergencies. This video highlights the functionality of UAS and offers tips to consider when standing up a UAS program.
