Amy Fleischer is a teacher at Nauset Regional Middle School. But for most of July, she’s part of a team exploring California’s Channel Islands National Marine Sanctuary and mapping the seafloor aboard the exploration ship E/V Nautilus. One of the main goals of the mission is to find where the coastline was during the last ice age. Fleischer is one of twenty-four teachers, as well as nineteen students, one artist, and a modestly-sized scientific team currently aboard E/V Nautilus. The team has