I am not sure how old I was when it dawned on me (or someone told me) that Christmas and the New Year did not come at exactly the same time everywhere in the world. I am not sure how I felt when I learned the kids in Europe had opened their presents six hours before I did. And for sure, I do not think I could quite grasp the fact that Chinese kids had done their New Year’s party at noon my time. And by the time I watch an old year go out and welcomed a new one, the Chinese had just had their lunch! Now I know fully that all this is due to the fact that our earth is round. It is a big ball. And it takes the ball twenty-four hours to spin around one time. I know this in my head, but honestly I have had very few experiences to convince me the earth is round! It still looks flat, except when you get in the mountains. But there is nothing even with the mountains that would tell us the earth is round. I don’t doubt the s...