A new algorithm could speed up detection of weapons-grade nuclear material at national borders to protect against nuclear terrorism, researchers report.
Tags: security radiation nuclear-weapons algorithms science-and-technology terrorism
"It's not just 'Did this happen to you?' But 'Did something almost happen to you?'"
Tags: health-and-medicine terrorism 911 post-traumatic-stress-disorder-ptsd
Live streaming is a tool terrorists use to spread messages of fear, whether they're radical right-wing extremists or members of ISIS, an expert says.
Tags: internet society-and-culture violence terrorism guns
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