Inside of a Dog: What Dogs See, Smell, and Know

by Alexandra Horowitz

Dogs train humans to become suddenly tidy: putting away shoes and socks almost as soon as they are removed; taking out the trash well before it heaps high; leaving nothing on the floor that could fit into the gaping mouth of a teething, excited, unrestrained pup.

Yesterday Pump learned, courtesy of a pet supermarket’s automatic doors, that when you walk toward walls, they open and let you pass through them. Today she unlearned it, in a spectacularly poignant display.