In a conversation with emeritus professor of biology Bernd Heinrich about his latest book, The Homing Instinct: Meaning & Mystery in Animal Migration, Seven Days joins the rich exploration Heinrich has started about why animals, from bees and birds to sea turtles and salmon, have such strong migratory instincts while humans decidedly do not. Noting that a type of sandpiper, a bar-tailed godwit, nests in the Arctic and winters some 7,000 miles away in southern Australia, the story notes that “it's impossible to read (the book) and not reflect on one's own sensory experience of the world -- and what we might be missing,” adding that “Heinrich laces his astute scientific observations with the poetic wonderment of a naturalist, a pairing that has become his trademark.” Read the story...