Original sentence: Many of the survivors blame men's warlike nature and scientific arrogance for the catastrophe.While some accept their fate as the last generation of humans, others see biological engineering as a final hope for the survival of the species
Edited sentence: Even when it unexpectedly worked and produces a boy they quickly kill him.Many of the survivors blame men's warlike nature and scientific arrogance for the catastrophe but this is only a convienient excuse.While some accept their fate as the last generation of humans, others see biological engineering (Project ICE)as a final hope for the survival of the species