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Are Elite Journals Declining?-  A follow-up to the "demise of the impact factor" paper. This one asks whether the pattern we found previously in our large-scale analysis is also true for a handful of elite journals. The answer? They are still good, but definitely not what they used to be. So, how to measure journal quality? I do not know, but the journal says little about the quality of the papers therein, or the researchers. The paper is featured in the London School of Economics' Impact of Social Sciences blog and Scientific American.

Ruff sex and Immunoecology. - Part 3, this time including the third male morph: female mimics called faeders. As expected, their investment in immunocompetence is between that of females than that of the other 2 types of males. Immune responses were congruent with an investment in immune function based on the expected risk of injury, not energetic constraints.

The Demise of the Impact Factor.- In the digital age we read papers, not journals. This simple observation led to the prediction that the relation between the Impact Factor and papers' citations had to be weakening. It turns out to be true! Featured in several magazines and web sites hosted by London School of Economics, Harvard, Physics Today, Imperial College, London, The Atlantic,  Université de Montréal, Science Daily, Estonian Public Broadcasting, The Chronicle of Higher Education, The Scientist, Russia 24 News, Sciences Dessus Dessous,  Oxford,  and Der Speigel.

Impact Per Dollar.- Granting agencies ought to use the concept of cost-effective impact as an evaluating criterion for awarding research grants. It would be a better and more effective use of our taxes.

Evolutionary Medicine.- A short paper on evolutionary medicine. It started as a reply to a critique or my obesity-anorexia paper. The critique was obviously based on a misunderstanding of the differences between ultimate and proximate hypotheses, but I took the high road (mostly) and opted to try to illuminate instead.

Sexually Selected Emotions.- I have had this idea for a while; it proposes emotivity, or the lack thereof, is a way for females to advertise their youth, and for males to advertise their maturity. You will also like the other commentaries, and might try to read the target article.

Multiple signals in mate choice.-  Like many other morphological and behavioural adaptations, sexual signals initially evolve to actually interfere with the ability of females to choose their sexual partners.

Sexually Selected Anorexia Nervosa.- Variance occurs in any population, with some individuals who are too competitive and others not so much. Anorexia nervosa might result from a sexually selected evolutionary drive to appear youthful in populations in which size becomes the primary indicator of age. This hypothesis explains most features of anorexia nervosa better than all the other adaptive explanations.