Randall Larsen, director of the Institute for Homeland Security, was enthusiastic about the expanded base of people with access to "secret" intelligence, saying it is particularly needed by behavior detection officers, who look for travelers exhibiting unusual behavior.

CNN: 10,000 airport security workers to get higher clearances

Boston Logan launched a pilot expansion of the behavior detection program last year, adding casual conversation with passengers as a means to detect behaviors that may indicate security threats.

CNN: TSA to investigate racial profiling claims

Behavior detection is employed at airports across the country.

CNN: TSA to investigate racial profiling claims

To date, the agency has granted access to secret-level classified information to 744 front-line supervisors, managers and behavior-detection officers.

CNN: 10,000 airport security workers to get higher clearances

At airports throughout the United States, we have deployed additional airport law enforcement officials, behavior-detection officers, air marshals, and explosive-detection canine teams, among other security measures, both seen and unseen.

WHITEHOUSE: Press Briefing on Security Review

This marks a first for cancer detection, offering physicians a real-time objective look at the functional behavior of a living cell .

FORBES: Early detection is your best defense.

NASA's issuing back pats all round, as finding Kepler-37b has highlighted "the precision of the Kepler instrument" (although admittedly, the star's behavior was favorable), and suggests there are many more humble worlds of similar size awaiting our detection.

ENGADGET: NASA's Kepler telescope spies smallest planet to date, no aliens