Charles DeRoshia:  

I retired from my position as a research psychologist at the NASA Ames Reserch Center four years ago. Since then I still work part time for the intellectual stimulation and to socialize. Otherwise I keep busy participating in musical activities, including singing with two local choruses and loading music into my Ipod. I also attend concerts, sporting events, and lunches with friends, and engage in hiking, biking, walking, and occasional swimming nd kayaking activi...Expand for more