A biologist phones his wife from his office and says, Honey, something has just come up, I realize its not my field season, but I have to visit my field site for a week. So, would you pack my clothes, my field equipment and my blue silk pajamas? Ill be home in 1 hour to pick them up. A week later he returned. Did you have a good trip, dear? his wife asked.Oh, it was just a typical field trip, you know, work work work, he exclaimed, and added But you forgot to pack my blue silk pajamas.No I didnt, she replied. I put them in the box of field equipment!