Brian Bills, a flight operations analyst for Lockheed Martin, demonstrates the Procerus VTOL (vertical takeoff and landing) Flight System — a surveillance drone for commercial, civil and military customers — at the Association of Unmanned Vehicle Systems International conference in Las Vegas. (<a href="http://www.youtube.com/watch?v=_GttUgRfWnE">Watch a demo video</a>.)
Credit Kainaz Amaria / NPR
Manufacturers at the conference showed a wide range of unmanned vehicles used in the air, on land and in the sea.
In Cuba, President Raul Castro has plans to reform the economy, but many challenges lie ahead before the country can move forward. Many of the changes are being implemented slowly because of resistance from within the Communist Party.
Originally published on Mon October 15, 2012 11:06 am
Some enterprising dairy farmers in rural Maryland have found a new source of income — opening ice cream shops on their farms. This summer, seven of them have come together to form Maryland's Best Ice Cream Trail, the nation's first farm-based ice cream trail. And the results so far seem pretty sweet.
In our increasingly interconnected world and global economy, the opportunity to study abroad seems like a particularly valuable experience. College students are urged to take advantage of study abroad programs to expand horizons and gain enriching cross-cultural experiences.
Originally published on Thu August 9, 2012 2:19 pm
Bipartisan legislation approved in late July by the Senate Intelligence Committee includes anti-leak provisions designed to curb disclosure of national security information. This legislation, and an ongoing FBI inquiry into U.S. intelligence leaks, have raised questions about the relationship between reporters and sources.
Originally published on Thu August 9, 2012 2:30 pm
Fossils discovered in East Africa suggest that Homo erectus, the species believed to be humans' direct ancestor, may have shared Earth with two genetically distinct but similar species. Some paleontologists believe that these species may be distant relatives to modern humans, while others need more evidence.