Robot Planes Target Smithsonian
A squadron of six robot planes are now perpetually buzzing visitors to the Smithsonian National Air and Space Museum, performing "reconnaissance, surveillance, target acquisition," and possibly even attacks. Or at least, they would be if they weren't part of the new exhibit celebrating Unmanned Aerial Vehicles (UAVs). This is one of the most cutting-edge displays you can see at the Smithsonian - some of the planes even have certain parts sealed because they are still classified.More »












From "Can algae save the world?" an exhibit at the Science Museum in London running until April 2008. Scientists are hoping the entire planet will use algae as biofuels in the future. More menacing algae after the jump. Images by Kirsty Wigglesworth for AP.