Cheers to Katharine Milton (”Something to Howl About,” 10/03) for illuminating the importance of two critical facts about population ecology — that “prudent” parasites do not kill their hosts, and that population size fluctuates in response to the availability of food.
Jeers to Marc J. Cohen (”Crop Circles”, 10/03) and Laurence A. Marschall (Review, “Space, [...]