Quorum sensing in bacteria and cooperation 26 Aug 2009 Byte Size Biology has a post up discussing a recent paper on quorum sensing in bacteria, a process whereby the chemical signals for a community of microbial organisms can modify the dynamics of the organisms themselves. It’s interesting in its own right, but also to show how cooperation can evolve in a realworld case. Biology Evolution
Evolution Philosophy is to science, as ornithologists are to birds: 1. Introduction 4 Jun 200724 Nov 2022 This three-part series is a talk I gave a while back to some ecologists and molecular biologists. It is a brief overview of the aims and relationship between science and philosophy of science, with a special reference to the classification wars in systematics, and the interface of science and the… Read More
Biology Atavisms and phylogeny 15 Sep 20094 Oct 2017 “Everybody knows” that species can lose features through evolution: snakes, whales and sea cows all lost hind limbs. But occasionally, they can “revert”, like the snake shown in the photo below, which has grown one limb. However, many people are confused as to why this happens. Read More
Cognition Congenital belief 6 Aug 20126 Aug 2012 One had only to look at him, from the slant of his bald forehead and the curve of his beautiful fair moustache to the long patent-leather feet at the other end of his lean and elegant person, to feel that the knowledge of “form” must be congenital in any one… Read More