Chevy chase resident and science correspondent speaks to our surae chinn. Reporter pbs science reporter miles obrien dives right back into work after returning to the United States a few days ago without his left arm. Everybody it talking about polar vortexes. Reporter the former cnn anchor who specializes in science, technology and aerospace is moderating a panel on Climate Change in northwest, a commitment he made well before his accident. Sometimes the best tonic is to stay focused on work. Reporter he told the world about the mishap in his blog. I wish i had a better story to tell you about why im typing this with one hand. A shark attack would be interesting. An assassination attempt would be intriguing. Skydiving mishappens always make for good copy. No, the reason i am now one handed is a little more prosaic. Obrien was on a shoot in the philippines reporting on the aftermath of the fukushima disaster. It was a seemingly minor accident. He was packing up tv equipment when a case