Letters

New findings reveal the subtle genetic differences between chimps and humans, the alternate wiring that enables us to speak, reason, compose symphonies and cure diseases. Readers concluded that pinpointing a difference in genomes falls short of explaining the mystery of what it is to be human

After reading "What Makes Us Different?" [Dec. 4], I was struck by the idea that the blueprint for the great achievements of humanity may be encoded in the nucleotides of our DNA. But is it possible that the source of human creativity is simply beyond our comprehension? When I marvel...