Julie Packard, Monterey Bay Aquarium executive director, chats with a teacher at a celebration in 2012 of the aquarium hosting 2 million students since it opened in 1984. © Monterey Bay Aquarium

Julie Packard, Monterey Bay Aquarium executive director, chats with a teacher at a celebration in 2012 of the aquarium hosting 2 million students since it opened in 1984. © Monterey Bay Aquarium