Same Situation, Far Apart: Bonded That fathers enjoy their sons is not surprising, but notice the infants’ hands—one clutching Dad’s hair tightly and the other reaching for Dad’s face. At this age, infants show their trust in adults by grabbing and reaching. Synchrony and attachment are mutual, in Ireland (left), Kenya (right), and everywhere.
ALAMY
BRITTA KASHOLM-TENGVE/GETTY IMAGES