When the city rush is done, Africamayhave 80 citieswithmore than 1m people, plus a clusterof megacities headed by Kinshasa, Lagos and Cairo—noneof which showsigns of massstarvation.
The seeds for this conglomeration of scientific talent were a cluster of research institutes like Salk, Burnham and Scripps, all near La Jolla, plus the University of California campus.