Post List

  • January 13, 2010
  • 12:01 AM

From the Literature: Jocks and nerds in the damselfly world (The Dragonfly Trilogy, Part Three

by dragonflywoman in The Dragonfly Woman

Welcome to the third and final segment of the Dragonfly Trilogy – and another installment of From the Literature!  If you don’t know anything about dragonfly territoriality, I recommend reading part two of my trilogy for more information on how dragonflies and damselflies set up and defend territories.  You’ll get more out of this post [...]... Read more »

Koskimaki, J., Rantala, M.J., & Suhonen, J. (2009) Wandering males are smaller than territorial males in the damselfly Calopteryx virgo (L.) (Zygoptera: Calopterygidae). Odonatoligica, 38(2), 159-165. info:/

  • January 12, 2010
  • 11:40 PM

Your microbiome and you (part I): Gut

by Jim Caryl in mental indigestion

YOU probably think that your body has things pretty much under control, being the finely evolved machine that it is, it knows where its at, and does a generally good job of looking after itself. You’d be right of course, but it doesn’t do this without a little help.

Some of this help comes in the [...]... Read more »

Aureli, P., Fiore, A., Scalfaro, C., Casale, M., & Franciosa, G. (2009) National survey outcomes on commercial probiotic food supplements in Italy. International Journal of Food Microbiology. DOI: 10.1016/j.ijfoodmicro.2009.12.016  

Turnbaugh, P., Ley, R., Mahowald, M., Magrini, V., Mardis, E., & Gordon, J. (2006) An obesity-associated gut microbiome with increased capacity for energy harvest. Nature, 444(7122), 1027-131. DOI: 10.1038/nature05414  

Ley, R., Turnbaugh, P., Klein, S., & Gordon, J. (2006) Microbial ecology: Human gut microbes associated with obesity. Nature, 444(7122), 1022-1023. DOI: 10.1038/4441022a  

Turnbaugh, P., Hamady, M., Yatsunenko, T., Cantarel, B., Duncan, A., Ley, R., Sogin, M., Jones, W., Roe, B., Affourtit, J.... (2008) A core gut microbiome in obese and lean twins. Nature, 457(7228), 480-484. DOI: 10.1038/nature07540  

Tschöp, M., Hugenholtz, P., & Karp, C. (2009) Getting to the core of the gut microbiome. Nature Biotechnology, 27(4), 344-346. DOI: 10.1038/nbt0409-344  

  • January 12, 2010
  • 11:00 PM

How to brag

by BPS Research Digest in BPS Research Digest

No one likes a show-off. But to get ahead in this world, you're going to need to let at least some people know what you're capable of. Thankfully Nurit Tal-Or has arrived with a pair of studies that offer some insight into how to brag without coming across as big-headed.Over a hundred undergrads read a conversation between two people - a 'show-off' called Avi who boasted about his A-grade in stats exams, and his friend. Crucially, there were four versions of the conversation, with each undergrad........ Read more »

  • January 12, 2010
  • 07:04 PM

Character Study

by Journal Watch Online in Journal Watch Online

Antisocial fish are more likely to invade new environments

... Read more »

Cote, J. et al. (2010) Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis). Proceedings of the Royal Society B. info:/10.1098/rspb.2009.2128

  • January 12, 2010
  • 06:36 PM

Colorful Neanderthals on the half shell

by Julien Riel-Salvatore in A Very Remote Period Indeed

There’s been a lot of buzz about the new paper by Zilhão et al. (2010) on the use of pierced shells and pigments by Neanderthals at the sites of Cueva de los Aviones and Cueva Antón, in southern Spain some 50,000 years ago, so I thought I’d give a few comments about it here.This is a very significant study in that it strengthens the conclusions of previous research that suggests that Neanderthals habitually used pigments (e.g., Soressi and d’Errico 2007, which I discussed here). Importa........ Read more »

Zilhao, J., Angelucci, D., Badal-Garcia, E., d'Errico, F., Daniel, F., Dayet, L., Douka, K., Higham, T., Martinez-Sanchez, M., Montes-Bernardez, R.... (2010) Symbolic use of marine shells and mineral pigments by Iberian Neandertals. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0914088107  

  • January 12, 2010
  • 05:45 PM

Religion makes you desirable... in the USA but not in Britain

by Tom Rees in Epiphenom

The previous post took a look at some recent research on how competition for mates affects how religious people say they are. When a group of students in the US were subtly reminded that there's a lot of competition for potential mates, they responded by claiming to be more religious. One potential explanation for this is simply that being religious is seen as socially desirable.If this were true, then you would expect that people who are inclined to 'self enhance' (i.e. paint a rather flatterin........ Read more »

  • January 12, 2010
  • 05:00 PM

Religion makes you look good... in the USA but not in Britain

by Tom Rees in Epiphenom

The previous post took a look at some recent research on how competition for mates affects how religious people say they are. When a group of students in the US were subtly reminded that there's a lot of competition for potential mates, they responded by claiming to be more religious. One potential explanation for this is simply that being religious is seen as socially desirable.If this were true, then you would expect that people who are inclined to 'self enhance' (i.e. paint a rather flatterin........ Read more »

  • January 12, 2010
  • 04:58 PM

Does watching TV really kill you?

by Dave Munger in Cognitive Daily

Today I had to put off my normal morning run in order to make time to be interviewed on a radio show at 7:30 a.m. As I waited on hold for the interview to start, I could hear the hosts joking back-and-forth about what the "latest TV controversy" is. "Is it the Jay Leno / Conan O'Brien news on NBC?" the host asked? No. Then the hosts rattled through several other hot-button issues on television before arriving at this: "New research from the American Heart Association Journal [Circulation] sugges........ Read more »

  • January 12, 2010
  • 04:00 PM

Contribution of Atmospheric Amino Acid Particles to Cloud Seeding

by Michael Long in Phased

Adam Kristensson (Lund University, Sweden) and coworkers have begun to unravel the chemical basis of cloud seeding by small amino acid particles, helping to understand the possible contribution of a natural aerosol to global climate. This news feature was written on January 12, 2010.... Read more »

Kristensson, A., Rosenørn, T., & Bilde, M. (2010) Cloud Droplet Activation of Amino Acid Aerosol Particles. The Journal of Physical Chemistry A, 114(1), 379-386. DOI: 10.1021/jp9055329  

  • January 12, 2010
  • 03:51 PM

More evidence that high order cognitive representations modulate perception

by Lorimer Moseley in BodyInMind

We are quite excited at the moment, with studies that  investigate the role of high order cognitive representations, for example the sense that one owns one’s body, on perceptions as well as on physiological regulation of body tissue.  We were doubly excited to be alerted by the superb Mo on Scienceblogs to a great new experimental [...]... Read more »

Lorimer Moseley. (2010) More evidence that high order cognitive representations modulate perception. BodyInMind. info:/

  • January 12, 2010
  • 03:37 PM

Latest in bizzare intestinal ciliates: Troglocorys cava of chimps

by Psi Wavefunction in Skeptic Wonder

Ahhh, I always get excited whenever something new pops up in J Euk Microbiol!This time we have a rather bizzare entodiniomorphid ciliate (remember Litostomatea?): Troglocorys cava, a gut denizen of chimps from Uganda! The following SEM may give you the impression that it's gut has been sliced open with entrails hanging out:Litostomatean intestinal ciliate Troglocorys from the chimp. Note the peculiar concavity (1; CO), filled with "round projections" and a "deep groove" (3; arrows). Scalebar = 1........ Read more »

  • January 12, 2010
  • 02:51 PM

Attention Please! Attention management for chronic pain

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

A debate that’s been going on for some time is the role of ‘distraction’ in pain management. So many of the people I see have told me they ‘just ignore’ the pain, or ‘I try to distract myself’, or similar, that there isn’t much doubt to me that people habitually use attention management as a [...]... Read more »

Elomaa, M., de C. Williams, A., & Kalso, E. (2009) Attention management as a treatment for chronic pain. European Journal of Pain, 13(10), 1062-1067. DOI: 10.1016/j.ejpain.2008.12.002  

  • January 12, 2010
  • 01:29 PM

CAPRI: Selected Talks I

by Nir London in Macromolecular Modeling Blog

This is the second post in the CAPRI series, summarizing the presentations of Sandor Vajda, Alexandre Bonvin, and Julie Mitchell, as provided by the speakers. More to appear in the continuation of the series.

... Read more »

Kozakov, D., Brenke, R., Comeau, S., & Vajda, S. (2006) PIPER: An FFT-based protein docking program with pairwise potentials. Proteins: Structure, Function, and Bioinformatics, 65(2), 392-406. DOI: 10.1002/prot.21117  

CHUANG, G., KOZAKOV, D., BRENKE, R., COMEAU, S., & VAJDA, S. (2008) DARS (Decoys As the Reference State) Potentials for Protein-Protein Docking. Biophysical Journal, 95(9), 4217-4227. DOI: 10.1529/biophysj.108.135814  

van Dijk, A., de Vries, S., Dominguez, C., Chen, H., Zhou, H., & Bonvin, A. (2005) Data-driven docking: HADDOCK's adventures in CAPRI. Proteins: Structure, Function, and Bioinformatics, 60(2), 232-238. DOI: 10.1002/prot.20563  

de Vries, S., van Dijk, A., Krzeminski, M., van Dijk, M., Thureau, A., Hsu, V., Wassenaar, T., & Bonvin, A. (2007) HADDOCK versus HADDOCK: New features and performance of HADDOCK2.0 on the CAPRI targets. Proteins: Structure, Function, and Bioinformatics, 69(4), 726-733. DOI: 10.1002/prot.21723  

  • January 12, 2010
  • 01:25 PM

Did the "Marsupial Lion" Climb Trees?

by Laelaps in Laelaps

Restoration of the skull of Thylacoleo. From The Ancient Life History of the Earth.

Thylacoleo was one strange mammal. A close relative of living koalas, kangaroos, and wombats, the largest species of Thylacoleo were lion-sized carnivores that stalked the Australian continent between 2 million and 45 thousand years ago. Despite its popular nickname "marsupial lion", however, Thylacoleo was quite different from any feline predator. Even though its long forelimbs were tipped with retractable........ Read more »

  • January 12, 2010
  • 01:05 PM

Cheap Biomedical Devices Based on Nitrocellulose and Wax

by Michael Long in Phased

Jianhua Qin, Bingcheng Lin (Dalian Institute of Chemical Physics, China), and coworkers have fabricated a cheap biomedical device that will find much use in resource-limited and emergency situations. This news feature was written on January 12, 2010.... Read more »

  • January 12, 2010
  • 08:00 AM

Chemophobia and risk

by sciencebase in Sciencebase Science Blog

As a chemist by training, I’ve always been loath to give credence to unfounded criticism of synthetic chemicals that might stoke up chemophobia. Indeed, on several occasions I have written about how our bodies have evolved to cope with all kinds of chemicals regardless of whether they are synthetic or “natural”. I’ve never been a [...]Chemophobia and risk is a post from: Sciencebase Science Blog
... Read more »

Sarigiannis, D., Gotti, A., Reale, G., & Marafante, E. (2009) Reflections on new directions for risk assessment of environmental chemical mixtures. International Journal of Risk Assessment and Management, 13(3/4), 216. DOI: 10.1504/IJRAM.2009.030697  

  • January 12, 2010
  • 07:11 AM

Hybrid sterility in fruit flies, regulating the mammalian circadian clock and more, in my Picks of the Week from RB

by Alejandro Montenegro-Montero in MolBio Research Highlights

Another week has gone by and some very interesting molbio blog posts have been aggregated to Every week [see my opening post on the matter], I'll select some blog posts I consider particularly interesting in the field of molecular biology [see here to get a sense of the criteria that will be used], briefly describe them and list them here for you to check out.Note that I'm ... Read more »

  • January 12, 2010
  • 07:03 AM

What’s The Use of a Cancer Marker?

by Rick Scavetta in DNA Dude

For men, prostate cancer accounts for 25% of all cancer cases. But diagnosing the cancer is not without controversy.
The usual method of detecting the cancer is by screening for Prostate-Specific Antigen (PSA), which can lead to early detection and treatment of the disease. Some studies have shown that the PCA test results in high amounts [...]... Read more »

Xu, J., Zheng, S., Isaacs, S., Wiley, K., Wiklund, F., Sun, J., Kader, A., Li, G., Purcell, L., Kim, S.... (2010) Inherited genetic variant predisposes to aggressive but not indolent prostate cancer. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0914061107  

  • January 12, 2010
  • 06:20 AM

Is FIP really a mutant?

by iayork in Mystery Rays from Outer Space

Coronavirus (SARS)

I try to stop myself from opening these posts with a line like, “One of the weirdest viruses … “, or “The most bizarre viral disease … ” or whatever, because viruses are all so weird and interesting that all my posts would start that way. But anyway: One of the most interesting [...]... Read more »

  • January 12, 2010
  • 06:18 AM

Breeders not so bad after all

by Jeremy in Agricultural Biodiversity Weblog

Speaking of evil plant breeders:
It is generally thought that continuous selection among crosses of genetically related cultivars has led to a narrowing of the genetic base of the crops on which modern agriculture is based, contributing to the genetic erosion of the crop gene pools on which breeding is based.
But this may be another faulty [...]... Read more »

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