Have you ever felt a sudden rush of recognition that you''ve been in a place before? What causes a déjà vu? Why do dogs look like their owners? What''s up with insect swarms? What''s the science behind showing your tongue? Do you keep drier by walking or running through a rainstorm? In this updated and expanded edition of The Science of Everyday Life, bestselling author Jay Ingram explains these and many more weird and fascinating mysteries.