Study underscores need for stimulus support to vulnerable groups

Workers who are most vulnerable to pandemic layoffs are more likely people of color, underscoring the need for stimulus funding in order to keep racial inequality from growing, according to a new University of Michigan study.

'Game changer' perovskite can detect gamma rays

Perovskites are materials made up of organic compounds bound to a metal. Propelled into the forefront of materials' research because of their structure and properties, perovskites are earmarked for a wide range of applications, ...

Researchers investigate the impact of COVID-19 on terrorism

While government leaders are focused on fighting COVID-19, the threat of terrorism has not gone away. In fact, homeland security experts have warned that violent extremists may seek to take advantage of the fear and disruption ...

Can intuitive building design help stop an active shooter?

Burçin Becerik-Gerber had just returned to her London hotel room when she got the voicemails from her sons' L.A. elementary school. The first message announced an emergency lockdown; there was a threat in the school.

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Homeland security

The term homeland security refers to a security effort by a government to protect a nation against perceived external or internal threat.

The term is almost exclusively used in the United States; elsewhere, the activities of "homeland security" fall under a combination of national security and associated security services or the customs services of the country (for example, HM Revenue and Customs in the UK). The term arose following a merger of several U.S. governmental agencies to form the United States Department of Homeland Security after the September 11 attacks, and may be used to refer to the actions of that department.

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