Birds Do It Bats Do It
Cooperation—where individuals work together in order to create a benefit for an entire group—seems at odds with what many people assume are the basic forces of evolution. After all, it’s a jungle out there, only the strongest survive, humans are selfish, etc. But most scientists don’t share that view of evolution. “The role of unbridled violence in evolution is greatly overestimated,” says Danny Grunbaum, an oceanographer at the University of Washington and a pioneer in revealing the ways that ocean life cooperates in order to survive....