If you'll forgive a morbid metaphor, Wistar was like the ominous spot first seen on the X-ray of a vital organ – the beginning of the end for unguided Darwinian processes as the sole, satisfactory explanation of how complex biological features evolve. | If you'll forgive a morbid metaphor, Wistar was like the ominous spot first seen on the X-ray of a vital organ – the beginning of the end for unguided Darwinian processes as the sole, satisfactory explanation of how complex biological features evolve. |