Brilliant post by Casey Bergman about why science is getting harder

I just was browsing through Casey Bergman's blog, and I found this fantastic post about growth in the scientific "industry". The basic point is that the growth in the number of scientists is an exponential trend that is increasing faster than the rate of overall population growth, and perhaps the general crunching sound that we're experiencing in science right now is a result of a transition from exponential growth to saturation. Feels like a very sound argument to me!