Tangled Bank #72, hosted quite ably at Ouroboros, can shed some light on that subject, as well as canger, aging, and the history of science, among other things.

Written by Mike
Mike is a leading authority in the field of standardized test preparation, but he's also a traveler who fully expects to see every bird in the world. Besides founding 10,000 Birds in 2003, Mike has also created a number of other entertaining but now extirpated nature blog resources, particularly the Nature Blog Network and I and the Bird.