Category Archives: evolution

Best postdoc ever: last call

So, a few weeks ago I posted about three-year postdoc opportunities at the Santa Fe Institute. This is a reminder, since applications are due on November 1. Go to the original post for a complete explanation of why you should be applying for one of these positions.

Here’s the short version: it’s three years of complete freedom to pursue whatever research you want in an intellectually stimulating transdisciplinary environment with a bunch of cool colleagues.

Read more about the fellowship and access the online application here.

I owe Martin Nowak an apology

So, if you’re an Evolutionary Biologist, you’re already familiar with the dust-up prompted by a Nature paper published in 2010 by Martin Nowak, Corina Tarnita, and E. O. Wilson.  If not, I wrote about the paper, and the response from the community, here and here.

Briefly, the article attacked one class of approaches to modeling the evolution of traits affecting social interaction: models based on kin selection and inclusive fitness. The authors made strong claims about the effectiveness of such models, claiming that they were useless or even wrong for thinking about eusociality (e.g., in species of bees and ants). The paper prompted a number of written responses, in blogs and in letters to Nature, one co-authored by 137 prominent biologists, refuting many of the claims of the paper.

The paper comes with a weighty appendix, which contains a lot of calculations. Those calculations are not problematic. Rather, it is the main text (the only part most people will read) that triggered the vocal response. The main text made a bunch of unsupported (and wrong) claims, knocking down a straw-man caricature of kin-selection models. It was this straw-man caricature that people found so offensive, along with the failure to cite a huge body of literature (which would have undermined that straw man).

The disconnect between the careful, meticulous appendix and the swaggering, irresponsible main text led most readers to assume that we were looking at a frankenpaper, the imperfectly integrated product of multiple authors. In this sort of circumstance, the impulse is to partition blame among the authors.

My sense was that most people held Tarnita, a postdoc with Nowak at the time, blameless, a talented junior scientist in the wrong place at the wrong time.

The blame, in most people’s eyes, fell primarily on Nowak, for a complex set of reasons that I tried to untangle here.  In particular, Nowak has a reputation for not being generous in attribution of credit to other scientists.

Wilson was not blamed. He is, after all, a living legend among evolutionary biologists. If anything, the discussion about Wilson was along the lines of, “Why is Wilson keeping such bad company?” Some people even speculated that he was perhaps being taken advantage of, that he had been roped into putting his name on the paper.

It now appears that I, along with all the other rumor-mongering evolutionary biologists, owe Nowak an apology.

Over the past year, Wilson has been on the warpath, giving various interviews in which he reiterates the major arguments presented in the paper. The most recent just appeared here in the Atlantic. This article, I think, makes it clear that Wilson was the ideological driving force behind all of the misrepresentation in the original Nature article. It also seems to indicate that the disingenuous argument will be expanded to book length in Wilson’s forthcoming The Social Conquest of Earth.

The richest part of the Atlantic article comes in Wilson’s trashing of Stephen Jay Gould. Trashing Gould is, of course, a popular pastime among evolutionary biologists.

“I believe Gould was a charlatan,” [Wilson] told me. “I believe that he was … seeking reputation and credibility as a scientist and writer, and he did it consistently by distorting what other scientists were saying and devising arguments based upon that distortion.” 

This is a valid enough criticism of Gould. It is also a dead-on description of what was wrong with the Nowak et al. paper. I suspect that the irony is lost on Wilson.

Nowak, M., Tarnita, C., & Wilson, E. (2010). The evolution of eusociality Nature, 466 (7310), 1057-1062 DOI: 10.1038/nature09205

Genomic Imprinting at Darwin Eats Cake

So, I’ve posted the new Darwin Eats Cake, which is about genomic imprinting. I tried to do some explaining in the comic, but I suspect that there is not enough information there for the thing to make sense unless you already have at least a passing familiarity with the phenomenon.

If you’re actually interested, I’ve got a set of primers on imprinting that I’ve been working on here. You can find links to them here.

Or you can just forge ahead:

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On ronin and the future

So, for the past six years, I have been on the resident faculty at the Santa Fe Institute. As I am writing this, I am sitting at a laundromat in Santa Fe, preparing for a cross-country road trip to Montclair, New Jersey, where I am going to be founding my own research institute.

What does that mean? Well, technically speaking, I will be forming a non-profit dedicated to research. At least to start with, the non-profit will consist of me, so, practically speaking, it’s like I’m becoming a freelance scholar.

My new outfit will be called the Ronin Institute. Ronin refers to a masterless samurai. It may be familiar to you from this:

or maybe from this:

Since this is a career path that is a bit different from the one that most academics follow, I thought it might be interesting to write about it here. I’ll share some of the details of what is involved in establishing a non-profit, and the process of becoming an independent scholar. This is a new venture for me, one that is going to involve some trial and error. As I go along, I’ll let you know what’s working and what isn’t. Most of you are probably not going to start your own institutes (although I hope a few of you will), but many of you may be interested in thinking about alternatives to the archetypal academic career trajectory. I’m hoping that my experience will be helpful in thinking about your own plans.

Or maybe it will at least be comforting and entertaining to you in a schadenfreude kind of way.

On the nocturnal penile tumescence

So, here’s the latest Darwin Eats Cake. Once again, Guillaume is gracing us with his adaptationist explanations. This time, he is answering a question from Bastian Greshake (@gedankenstuecke), champion of evolution, creative commons, and all sorts of other good stuff.

If you’re not familiar with Creative Commons, it is an alternative to traditional copyrights. It’s a great option if you’re committed to an open culture, where creations can be shared, but want to protect yourself against having your creations exploited.

For instance, all of the Darwin Eats Cake strips are published under a creative commons license explicitly stating that you are free to share them. You can e-mail them, copy them into your own blog, print them out, pretty much anything you want, just so long as you provide attribution. The only thing you can’t do is sell them.

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Why do we make odd faces when we orgasm? A romance in three parts

So, Guillaume’s Mailbag has continued on its mission to provide an adaptive explanation for every existing trait. The most recent trait Guillaume has been tackling was submitted by John Wilkins, who asked, “Why do we make odd faces when we orgasm?”

In case you missed when I’ve plugged him before, JoHn Wilkins (no recent relation) is a philosopher of science in Australia. His most recent book is Species: A History of the Idea, and he runs an excellent blog called Evolving Thoughts. He recently concluded an excellent series of posts on “Atheism, agnosticism and theism” in which he discusses, among other things, what it means to have a belief. You can find the start of that series here.

But back to the face of orgasm. Guillaume took three full strips to answer this one, so I’ve waited until he was done to post them here. I think I’ve finally figured out how to make these full-page versions more readable on the blog, but it involved lowering the resolution of the JPEG, so, for higher-res versions of these three comics, head on over to Darwin Eats Cake. The first of the series of three can be found here.

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Best URL for sharing: http://www.darwineatscake.com/?id=45
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For those who are interested, a couple of vole and oxytocin citations are provided below to get you started. The vole literature is actually quite extensive and all interesting. I’ve included a relatively recent paper, which will contain citations to a lot of the other work. No peer-reviewed publications are yet available on the eating and mating habits of Ursus philorgasmii.

Ross HE, Cole CD, Smith Y, Neumann ID, Landgraf R, Murphy AZ, & Young LJ (2009). Characterization of the oxytocin system regulating affiliative behavior in female prairie voles. Neuroscience, 162 (4), 892-903 PMID: 19482070

Carmichael MS, Warburton VL, Dixen J, & Davidson JM (1994). Relationships among cardiovascular, muscular, and oxytocin responses during human sexual activity. Archives of sexual behavior, 23 (1), 59-79 PMID: 8135652

Although at least one study suggests that, in men, prolactin is actually more strongly correlated with orgasm than oxytocin is:

Krüger TH, Haake P, Chereath D, Knapp W, Janssen OE, Exton MS, Schedlowski M, & Hartmann U (2003). Specificity of the neuroendocrine response to orgasm during sexual arousal in men. The Journal of endocrinology, 177 (1), 57-64 PMID: 12697037

Guillaume explains the origins of armpit hair, with bonus items

So, Guillaume has answered his second letter for Guillaume’s Mailbag. As usual, this will be much more readable at the Darwin Eats Cake site:

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Hat-tips go to Alejandro Weinstein for his question, and to Lizzie Foley, for consulting with Guillaume on the answer.

Guillaume also wanted to point out that if armpit hair were not adaptive, then why would Kevin Grennan have included it in this artificial armpit?

The robotic armpit releases “Japanese standard artificial sweat,” which is apparently a thing. Image via CNET.

We leave you now with this music video, which, if Pop Up Video is to be believed, was referred to by its director as a “celebration of the armpit.” Enjoy.

An advance for Pastafarian rights

So, Pastafarianism, the faith of the Church of the Flying Spaghetti Monster, is unquestionably the awesomest line of defense against intelligent design and the slippery slope to theocracy.

Created by Oregon State Physics grad student Brian Henderson in 2005 to protest Kansas’s decision to teach intelligent design in schools, the Flying Spaghetti Monster has spread around the world. If you’re not familiar, the basic idea is this: if you’re going to teach intelligent design in schools based on the Christian Bible, you have to give equal time to other religions, including one that believes that in a supernatural creator that looks like this:

Well, according to the BBC, atheist Niko Alm told Austrian authorities that he is a devout Pastafarian, and that his religion requires him to wear a spaghetti strainer on his head, including in his drivers license photo. It took three years, and Alm was required to undergo a medical interview to determine that he was psychologically fit to drive, but his request was finally honored:

FSM FTW!

Guillaume’s Mailbag: Why do we close our eyes when we sneeze?

So, as always, these full-page ones are hard to read on the blog. For a better image, go here.

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Thanks to Willemien Kets and Elais Kadeem Player, a.k.a. crashgroove for their excellent questions.