After a long trip to Japan, I was back

 I was back to USA yesterday and am suffering from a jet lag now. It is my first workday after the long trip today. The first task to do is to adapt myself to a daily life in my laboratory. I read several scientific paper in my desk, but I am sleepy...
 From tomorrow, I will write down my findings through the long trip, in particular, about the interesting difference between Japan and USA. There were several novel observations that I had noticed by experiencing both lives in two countries. I understand them when I enter to each country. The smells of Japan and USA made me notice them. I will show them...