Teachers never know where their classes will take students. Case in point: a high school class took Jason Paling to a historic find under the floor of a long-ruined house in the Guatemala jungle. “If you can’t handle spiders and scorpions, this is not for you. They drop from the rafters,” said Paling, a 1995 graduate of Nashua High School, who is part of a team that found the oldest-known royal Mayan burial, dating to about 350 B.C. Read More.