little red, sat behind the podium, touched the rough platform with his fingers, and slowly said, "Hello, students.""Hello, teacher." Everyone shouted in unison.Don nodded and said, "I'm old, I can't...ies, looked exactly the same as he is now.that is to say, Grandpa's life clock has been turned back because of this rejuvenation Dan!his life will probably be extended by more than ten years.does this...