
EvolutionOctober 1, 1953
Evolution Observed
The study of bacteria through as many as 7,000 generations shows that the strain goes on improving indefinitely even in a constant environment, as mutation and selection produce ever fitter types

Evolution Observed
The study of bacteria through as many as 7,000 generations shows that the strain goes on improving indefinitely even in a constant environment, as mutation and selection produce ever fitter types