Personality is an unbroken series of successful gestures-F. Scott Fitzgerald Quirky, sheepish, fun-loving, lethargic, energetic, aloof, courageous, sensitive You might invoke these words to describe your friends and family. Indeed, you recognize them all by their distinctive personalities. You may even use these terms to describe your beloved dog or cat. But it is hard . . . → Read More: The many personalities of snails and anemones