They declared their admiration for the Theodore Roosevelt of the 1890s and for America's first experiment with imperialism.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

During the STS-134 mission, and for the first several months afterward, about 40 members of the AMS team monitored the experiment and analyzed the data it sent down from the Payload Operations Control Center at NASA's Johnson Space Center in Houston.

ENGADGET: AMS detects excess of positrons, could suggest existence of dark matter

But advertisers expect more than just the like, as NPR demonstrated yesterday in an experiment with a New Orleans pizza shop who advertised for the first time on Facebook.

FORBES: Facebook, DVR And Solving The Ad Conundrum

Nanto City, a centrally located Japanese city with an elderly population that comprises 26% of its total residents, is one of the first municipalities in the world to experiment with using robots to help care for the elderly.

FORBES: Magazine Article

Slocombe and Zuberbuhler's study is the first experiment to show that vocal sound can carry meaning for chimpanzees.

FORBES: Can Chimps Talk?

Women with severe, life-threatening anorexia experienced dramatic improvement for the first time in their lives after a breakthrough deep brain stimulation (DBS) experiment published today in The Lancet.

FORBES: Startling Treatment Breakthrough For Anorexia Leads To New Understanding Of Brain Disorders

Gatland has resisted any temptation to repeat that experiment and is also mindful of Italy coming within a whisker of beating Ireland for the first time in this season's championship in Rome, with a late Ronan O'Gara drop-goal saving the visitors in a 13-11 win.

BBC: Jonathan Davies injury forces James Hook centre switch

While the Navy has used drones before for mine clearing and other defensive tasks, the small boat (similar to that pictured above) is the first experiment to involve true offensive capabilities.

ENGADGET: US Navy tests first 11-meter missile-firing sea drone (video)