Post List

  • June 14, 2010
  • 08:00 AM

Protected areas change fish behavior, study suggests

by Rob Goldstein in Conservation Maven

Credit, Fir0002/Flagstaffotos. Image released under the GFDL License.... Read more »

  • June 14, 2010
  • 08:00 AM

Popular Diets Can Lead to Micronutrient Deficiencies

by Arya M. Sharma in Dr. Sharma's Obesity Notes

It is estimated that at any given time, as many as a third of people with overweight and obesity are on a restrictive diet (in addition to an unknown number of normal weight people, who follow diets in the hope that they are healthier and may prevent weight gain).
As most of the popular diets consist [...]... Read more »

Calton JB. (2010) Prevalence of micronutrient deficiency in popular diet plans. Journal of the International Society of Sports Nutrition, 7(1), 24. PMID: 20537171  

  • June 14, 2010
  • 07:37 AM

Monday Pets: The Russian Fox Study

by Jason Goldman in The Thoughtful Animal

I've decided I want to cover some recent research on social cognition in domesticated dogs. But first, we need some background. So here's a repost from the old blog.

Today I want to tell you about one of my most favorite studies, ever, of animals. Are you ready? It's a FIFTY YEAR LONG longitudinal study of captive silver foxes in Russia. Gather around, pour yourself a cup of your favorite beverage, get comfortable, and enjoy storytime.

In 1948, Soviet scientist Dmitri Belyaev lost his job at t........ Read more »

Belyaev, DK. (1969) Domestication of animals. Science, 5(1), 47-52. info:/

  • June 14, 2010
  • 07:04 AM

Discovering how Down’s syndrome can protect against cancer

by Cancer Research UK in Cancer Research UK - Science Update

Although it may not seem obvious at first, there are important links between Down’s syndrome and cancer.  Down’s syndrome affects one in every 1,000 babies born in the UK. Named after the British doctor who first described the disease in 1866, it happens when a baby gets an extra copy of (or part of) chromosome [...]... Read more »

Reynolds, L., Watson, A., Baker, M., Jones, T., D’Amico, G., Robinson, S., Joffre, C., Garrido-Urbani, S., Rodriguez-Manzaneque, J., Martino-Echarri, E.... (2010) Tumour angiogenesis is reduced in the Tc1 mouse model of Down’s syndrome. Nature, 465(7299), 813-817. DOI: 10.1038/nature09106  

  • June 14, 2010
  • 06:58 AM

Population size predicts technological complexity in Oceania

by Wintz in A Replicated Typo

Here is a far-reaching and crucially relevant question for those of us seeking to understand the evolution of culture: Is there any relationship between population size and tool kit diversity or complexity? This question is important because, if met with an affirmative answer, then the emergence of modern human culture may be explained by changes [...]... Read more »

Kline MA, & Boyd R. (2010) Population size predicts technological complexity in Oceania. Proceedings. Biological sciences / The Royal Society. PMID: 20392733  

  • June 14, 2010
  • 06:39 AM

The Face of a Mouse in Pain

by Neuroskeptic in Neuroskeptic

Have you ever wanted to know whether a mouse is in pain?Of course you have. And now you can, thanks to Langford et al's paper Coding of facial expressions of pain in the laboratory mouse.It turns out that mice, just like people, display a distinctive "Ouch!" facial expression when they're suffering acute pain. It consists of narrowing of the eyes, bulging nose and cheeks, ears pulled back, and whiskers either pulled back or forwards.With the help of a high-definition video camera and a little tr........ Read more »

Langford, D., Bailey, A., Chanda, M., Clarke, S., Drummond, T., Echols, S., Glick, S., Ingrao, J., Klassen-Ross, T., LaCroix-Fralish, M.... (2010) Coding of facial expressions of pain in the laboratory mouse. Nature Methods, 7(6), 447-449. DOI: 10.1038/nmeth.1455  

  • June 14, 2010
  • 06:11 AM

Article Review: Revised EM Clerkship Curriculum

by Michelle Lin in Academic Life In Emergency Medicine

Last year, I was fortunate to be involved in a 1-year consensus group building exercise in revising the 2006 EM Clerkship Curriculum. Led by my friend Dr. David Manthey (Wake Forest), members of the Clerkship Directors in Emergency Medicine (CDEM) debated and went through seemingly an infinite number of drafts of the updated curriculum.The final manuscript was just published in Academic Emergency Medicine this month.What we came up with was the 2010 EM Clerkship Syllabus. Four goals were address........ Read more »

Manthey, D., Ander, D., Gordon, D., Morrissey, T., Sherman, S., Smith, M., Rimple, D., Thibodeau, L., & , . (2010) Emergency Medicine Clerkship Curriculum: An Update and Revision. Academic Emergency Medicine, 17(6), 638-643. DOI: 10.1111/j.1553-2712.2010.00750.x  

  • June 14, 2010
  • 06:05 AM

Effective Demand Forecasting and Improvements Strategies for Supply Chain Planning

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

The article reviewed here takes a look at typical biases in supply chain demand planning and how to avoid it. This work could prove very valuable for many companies who rely on manually adjusted forecasts.... Read more »

  • June 14, 2010
  • 06:00 AM

The genetics of autism

by David Gorski in Science-Based Medicine

Autism and autism spectrum disorders (ASDs) actually represent a rather large continuum of conditions that range from very severe neurodevelopmental delay and abnormalities to the relatively mild. In severe cases, the child is nonverbal and displays a fairly well-characterized set of behaviors, including repetitive behaviors such as “stimming” (for example, hand flapping, making sounds, head [...]... Read more »

Pinto, D., Pagnamenta, A., Klei, L., Anney, R., Merico, D., Regan, R., Conroy, J., Magalhaes, T., Correia, C., Abrahams, B.... (2010) Functional impact of global rare copy number variation in autism spectrum disorders. Nature. DOI: 10.1038/nature09146  

  • June 14, 2010
  • 05:36 AM

Living fossils don’t exist…

by Lucas in thoughtomics

… except in Hollywood movies.

Let’s make this clear from the start, I don’t like the term “living fossils” at all. It’s as if we decided that certain species are second class organisms that should have gone extinct a long time ago. Unfortunately for me, the term regularly crops up in the popular scientific press. Especially [...]... Read more »

Amemiya, C., Powers, T., Prohaska, S., Grimwood, J., Schmutz, J., Dickson, M., Miyake, T., Schoenborn, M., Myers, R., Ruddle, F.... (2010) Complete HOX cluster characterization of the coelacanth provides further evidence for slow evolution of its genome. Proceedings of the National Academy of Sciences, 107(8), 3622-3627. DOI: 10.1073/pnas.0914312107  

  • June 14, 2010
  • 05:22 AM

Lucky number plates go up in value when times are bad

by BPS Research Digest in BPS Research Digest

The basis for many superstitious beliefs may be little more than fantasy but their economic effects are all too real. According to Travis Ng and colleagues at the Chinese University of Hong Kong, casual estimates suggest that between $800 and $900 million is wiped off the value of US businesses every Friday the Thirteenth! Now Ng's team has explored the economic cost of superstition by comparing the value of Hong Kong car number plates purchased through auction from 1997 to 2009.The new research........ Read more »

Ng, T., Chong, T., & Du, X. (2010) The value of superstitions. Journal of Economic Psychology, 31(3), 293-309. DOI: 10.1016/j.joep.2009.12.002  

  • June 14, 2010
  • 04:13 AM

The return of ex situ

by Jeremy in Agricultural Biodiversity Weblog

Although some have emphasized the need to breed crops for future climatic conditions, much of the world’s farming population relies on landrace populations, not formal breeding networks.
Undeniable, of course, and a good reason to not forget landraces, or farmers’ local varieties, when thinking about how agriculture will (or will not) adapt to climate change. And [...]... Read more »

  • June 14, 2010
  • 01:22 AM

Dopamine and Reward Prediction: What your brain looks like on Rickroll

by Evil Monkey in Neurotopia

Today Sci is going to blog a paper that she has been meaning to blog for a long time. It's one of those papers that people who do certain kinds of science snuggle with when they go to sleep at night.

(Sci and this paper)

But the real reason that Sci loves this paper is that it's the neurobiological equivilant of a RickRoll.

And the question behind this paper is: what is the mechanism behind reward prediction?

Schultz, Dayan, and Montague. "A neural substrate of prediction and reward" ........ Read more »

  • June 14, 2010
  • 01:12 AM

New possibilities for drought tolerance

by Anastasia Bodnar in Biofortified

An Arabidopsis stomate showing two guard cells exhibiting green fluorescent protein and native chloroplast (red) fluorescence. via Wikipedia. This image is an extreme closeup of a stomate (singular, the plural form is stomata). These two cells, called guard cells, control the plant’s respiration: how much carbon dioxide gets in and how much oxygen and water vapor gets out. The control isn’t very good, though. Most plants just have their stomata open all day Continue reading...... Read more »

Hu H, Boisson-Dernier A, Israelsson-Nordström M, Böhmer M, Xue S, Ries A, Godoski J, Kuhn JM, & Schroeder JI. (2010) Carbonic anhydrases are upstream regulators of CO2-controlled stomatal movements in guard cells. Nature cell biology, 12(1), 87. PMID: 20010812  

  • June 14, 2010
  • 01:00 AM

Super-nanny state and the smoking ban

by Euan in Dr Euan Lawson| Doctor Writer

I don’t get too concerned about the so-called nanny state and I don’t get agitated regarding public health interventions as some infringement of my personal freedom. Maybe it’s because I’m a doctor – I am aware of my own bias here. I was delighted to see the smoking ban in public and I completely support [...]... Read more »

  • June 13, 2010
  • 11:21 PM

The Unique Case of “50 First Dates” Amnesia

by The Neurocritic in The Neurocritic

Scene from 50 First Dates with Drew Barrymore and Adam Sandler.50 First Dates maintains a venerable movie tradition of portraying an amnesiac syndrome that bears no relation to any known neurological or psychiatric condition (Baxendale, 2004).That isn't true anymore...Smith et al. (2010) have recently reported an unusual case of functional, or psychogenic amnesia in which FL, a 51 year old woman with 15 years of education and average intelligence, cannot remember what happened to her from one da........ Read more »

Smith, C., Frascino, J., Kripke, D., McHugh, P., Treisman, G., & Squire, L. (2010) Losing memories overnight: A unique form of human amnesia. Neuropsychologia. DOI: 10.1016/j.neuropsychologia.2010.05.025  

  • June 13, 2010
  • 07:45 PM

A universal flu vaccine

by Atila Iamarino in Influenza A (H1N1) Blog – English

Will we have a universal Influenza vaccine someday? Will we find something that eliminates the need of developing a new vaccine every year and ensuring that great part of the population receives it?

The annual development of flu vaccines is a very expensive way of avoiding this disease even if it is the most efficient way. [...]... Read more »

Sui, J., Hwang, W., Perez, S., Wei, G., Aird, D., Chen, L., Santelli, E., Stec, B., Cadwell, G., Ali, M.... (2009) Structural and functional bases for broad-spectrum neutralization of avian and human influenza A viruses. Nature Structural , 16(3), 265-273. DOI: 10.1038/nsmb.1566  

  • June 13, 2010
  • 05:33 PM

Candidate Appearance Matters

by Wayne Hooke in The Psychology of Beauty

Appearance matters – but not in the same way for male and female political candidates. Limiting this discussion to the beauty-relevant elements of Chiao, Bowman, & Gill’s 2008 study, being attractive has an effect on rates of voting for female candidates while appearing approachable has an effect on women’s rates of voting for male candidates [...]... Read more »

  • June 13, 2010
  • 03:42 PM

How “social” is your biopsychosocial model?

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

It’s called the biopsychosocial model, but how much attention do we really pay to the social part of this model? While we know the medical model has its limitations (especially when we’re looking at how people respond to having health problems), in pain management I wonder whether we now have a ‘psychological’ model of pain … Read more... Read more »

  • June 13, 2010
  • 12:05 PM

change blindness and courtroom testimony

by Daniel Simons in The Invisible Gorilla

A lawyer pulled a made-for-television courtroom stunt that illustrated the dangers of eyewitness testimony and the limits of memory. It unfortunately landed him in hot water.... Read more »

Levin DT, Simons DJ, Angelone BL, & Chabris CF. (2002) Memory for centrally attended changing objects in an incidental real-world change detection paradigm. British journal of psychology (London, England : 1953), 93(Pt 3), 289-302. PMID: 12230832  

Simons, D. J., & Levin, D. T. (1998) Failure to detect changes to people during a real-world interaction. Psychonomic Bulletin , 644-649. info:/

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