Acclaimed scientist and author Bernd Heinrich has returned every year since boyhood to a beloved patch of western Maine woods. What is the biology in humansof this deep-in-the-bones pull toward a particular place, and how is it related to animal homing? Heinrich explores the fascinating science chipping away at the mysteries of animal migration:how geese imprint true visual landscape memory, how scent trails are used by many creatures, from fish to insects to amphibians, to pinpoint their home ...