AdvertisementMirror, Mirror, On The Wall: Can You Reveal An Animal's Inner World At All?11:05Download AudioResumeDecember 18, 2020Nell GreenfieldboyceMadeline K. SofiaThomas LufacebookEmailA macaques monkey looking into the mirror of a motorbike in the grounds of a temple in Jaipur in the Indian state of Rajasthan. (AFP via Getty Images)