The pandemic is a worldwide tragedy, and in the United States the death toll continues to climb. But science journalist Donald G. McNeil Jr. writes in The New York Times that there’s also reason for optimism. He reports:

Nonetheless, there is a collective accomplishment here worth acknowledging. In the Imperial College report, the authors underscored that their worst-case estimate would almost certainly not be realized, thanks to human nature: “It is highly likely that there would be significant spontaneous changes in population behavior even in the absence of government-mandated…