As soft, warm, and cuddly as they are, babies often display puzzling behaviors that can startle, concern, and leave both novice parents and seasoned grandparents scratching their collective heads in bemusement. After all, many newborns emerge into the world with cone-shaped heads, half-closed eyes, and wrinkled, peeling skin. Some even have acne. As they grow, they continue to make funny noises, they find specs of dust in the air so fascinating they...