Why be social? And, why not be? What are the costs and benefits of sociality, and what types of sociality characterize nonhuman primates? Given all of these potential costs of group living, why do so ...

Adrián Simancas was paddling the Straight of Magellan, with his father Dell, when the unimaginable happened: a humpback whale emerged from the water and engulfed him in its open mouth ...