Flying, Smelling Robots Will Create Pollution Maps

Want to know if it's a bad air day and you should stay inside to avoid airborne toxins? If you live in Japan, you can check a robot-created map to find out exactly what the pollen content of the air is in any given place at that moment. These cute, round robots with their friendly red eyes are actually air-sampling… » 1/30/08 7:30am 1/30/08 7:30am