Sharing and cooperation between researchers gets exponentially more difficult as a field grows larger. It gets increasingly harder to keep up with the firehose of new publications. Remember that a network with N nodes has N * (N - 1) / 2 edges.
…intelligence — books, computers, mathematics, science, the internet — than biological intelligence. On an individual level, we are but vectors of civilization, building upon previous work and passing on our findings. We are the momentary transistors on which the problem-solving algorithm of civilization runs.