I briefly discussed yesterday the content of this six-session group-based cognitive behavioural approach for chronic pain, delivered in the community. Today I want to look a little more closely at the way the programme was delivered and how the findings might differ from what happens in New Zealand. To refresh your memory, this is a … Read more... Read more »
Lamb, S., Hansen, Z., Lall, R., Castelnuovo, E., Withers, E., Nichols, V., Potter, R., & Underwood, M. (2010) Group cognitive behavioural treatment for low-back pain in primary care: a randomised controlled trial and cost-effectiveness analysis. The Lancet, 375(9718), 916-923. DOI: 10.1016/S0140-6736(09)62164-4
Sedentary snake populations are dwindling
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Reading, C.J. et al. (2010) Are snake populations in widespread decline?. Biology Letters. info:/10.1098/rsbl.2010.0373
While Epicentre’s novel Nextera™ technology is revolutionizing next-generation sequencing library preparation, many laboratories are still using older methods of creating genomic DNA libraries for next-generation sequencing. A recent study (Cheung et al.*) of transcriptional regulation mediated by trimethylated histone H3K4 used ChIP-Seq analysis in samples obtained from the human prefrontal cortex.Preparation of the ChIP-Seq libraries involved several Epicentre products: the End-It™ DNA E........ Read more »
Cheung, I. et al. (2010) Developmental regulation and individual differences of neuronal H3K4me3 epigenomes in the prefrontal cortex. Proceedings of the National Academy of Sciences, 107(19), 8824-8829. DOI: 10.1073/pnas.1001702107
Most non-parasitic female bees collect pollen as well as nectar to provision their brood cells. Pollen is brushed from the plant anthers using their front legs and stored on specialised structures on the bee body or legs. Some bees, however, specialize on collecting pollen from flowers with raised anthers, which touch over the bee's head or thorax when bees land on them. These are called nototribic flowers and include species from the Lamiaceae (the mint family) and Scrophulariaceae (the figwort........ Read more »
Muller, A. (1996) Convergent evolution of morphological specializations in Central European bee and honey wasp species as an adaptation to the uptake of pollen from nototribic flowers (Hymenoptera, Apoidea and Masaridae). Biological Journal of the Linnean Society, 57(3), 235-252. DOI: 10.1111/j.1095-8312.1996.tb00311.x
Some of the most bio-diverse areas of the world are also some of the most impoverished, which is why it can seem cruel to create national parks and other protected areas to preserve these ecosystems. Aren’t the human lives in those regions more important than plants or other animals? Some research has supported the idea [...]... Read more »
Andam, K., Ferraro, P., Sims, K., Healy, A., & Holland, M. (2010) Protected areas reduced poverty in Costa Rica and Thailand. Proceedings of the National Academy of Sciences, 107(22), 9996-10001. DOI: 10.1073/pnas.0914177107
The Mediterranean diet preserves heart muscle performance and reduces future heart disease events, according to Greek researchers reporting in the American Journal of Clinical Nutrition, May 19, 2010.
Reuters and other news services have covered the story.
The Mediterranean diet is well-established as an eating pattern that reduces the risk of death or illness related to cardiovascular disease—mostly heart [...]... Read more »
Chrysohoou, C., Panagiotakos, D., Aggelopoulos, P., Kastorini, C., Kehagia, I., Pitsavos, C., & Stefanadis, C. (2010) The Mediterranean diet contributes to the preservation of left ventricular systolic function and to the long-term favorable prognosis of patients who have had an acute coronary event. American Journal of Clinical Nutrition. DOI: 10.3945/ajcn.2009.28982
Guppies do it. Why shouldn't we?... Read more »
Yorzinski JL, & Platt ML. (2010) Same-sex gaze attraction influences mate-choice copying in humans. PloS one, 5(2). PMID: 20161739
Mental health charities and campaigners typically claim that one in four of us will experience a mental illness at some point in our life-times. This prompts disbelief in some quarters. The rates can't possibly be that high, so the argument goes, there must be something wrong with the figures. A new study led by Terrie Moffitt confirms that 'Yes', there is something wrong with the one in four figure - it should be one in two!Previous estimates for the prevalence of mental illness are largely bas........ Read more »
Moffitt, T., Caspi, A., Taylor, A., Kokaua, J., Milne, B., Polanczyk, G., & Poulton, R. (2009) How common are common mental disorders? Evidence that lifetime prevalence rates are doubled by prospective versus retrospective ascertainment. Psychological Medicine, 40(06), 899-909. DOI: 10.1017/S0033291709991036
A while ago a resident in dermatology told me she got many hits out of PubMed, but zero results out of TRIP. It appeared she had used the same search for both databases: alopecea areata and diphenciprone (a drug with a lot of synonyms). Searching TRIP for alopecea (in the title) only, we found a Cochrane [...]... Read more »
Anders ME, & Evans DP. (2010) Comparison of PubMed and Google Scholar Literature Searches. Respiratory care, 55(5), 578-83. PMID: 20420728
Male jumping spiders (Phidippus clarus) size one another up before engaging in a fight—whether the aggression is based on rights to mating or territory—and in many cases, the pre-fight displays are sufficient to deter physical contact. The males do not nest but instead wander between female nests looking for opportunities to mate. The females, on the other hand, are not nomads—they build nests from silk and leaves in which they wait while they draw closer to sexual maturity.
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Elias, D., Botero, C., Andrade, M., Mason, A., & Kasumovic, M. (2010) High resource valuation fuels "desperado" fighting tactics in female jumping spiders. Behavioral Ecology. DOI: 10.1093/beheco/arq073
How high did the sauropod dinosaurs hold their heads? It is a simple question, but for years it has been part of an ongoing controversy about the evolution and habits of these long-necked, large-bodied vegetarians. Depending on whom you ask, sauropods either kept their heads down to vacuum up low-lying vegetation from a wide area [...]... Read more »
Christian, A. (2010) Some sauropods raised their necks--evidence for high browsing in Euhelopus zdanskyi. Biology Letters. DOI: 10.1098/rsbl.2010.0359
Teaching is meant to help students learn, usually about a specific subject, but more broadly about social interactions, working in a team, under duress, about life in general. They say that your schooldays are the best days of your lives, but perish the thought I’ve never been one for clichés and that one smacks of [...]Testing tests is a post from: Sciencebase Science Blog
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Ana Paula Alturas, & Bráulio Alturas. (2010) Differentiation in the assessment between different groups of students: are experience and maturity more important than learning time?. Int. J. Information and Operations Management Education, 3(3), 256-271. info:/
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Conde, D., Colchero, F., Zarza, H., Christensen Jr., N., Sexton, J., Manterola, C., Chávez, C., Rivera, A., Azuara, D., & Ceballos, G. (2010) Sex matters: Modeling male and female habitat differences for jaguar conservation. Biological Conservation. DOI: 10.1016/j.biocon.2010.04.049
Some really simple questions have surprisingly complex answers. “Why is the sky blue?” ends up being all about differential absorbance of varying wavelengths of electromagnetic radiat… see, there, I’ve already wandered off into jargon land.
And so it is with the question “Why is a cooked lobster red, when a live lobster is not?”. An odd question, but its exactly that kind of “I wonder why…” ... Read more »
Cianci M, Rizkallah PJ, Olczak A, Raftery J, Chayen NE, Zagalsky PF, & Helliwell JR. (2002) The molecular basis of the coloration mechanism in lobster shell: beta-crustacyanin at 3.2-A resolution. Proceedings of the National Academy of Sciences of the United States of America, 99(15), 9795-800. PMID: 12119396
At 65 ‘As We May Think’ has reached its pensionable age but as yet is showing no signs of retiring.... Read more »
Vannevar Bush. (1945) As We May Think. ATLANTIC MAGAZINE. info:/
A recent study published in Environmental Health Perspectives looked at the relationship between aflatoxin, produced by certain mold growing on food, and liver cancer. The results are a bit of an eye opener – they suggest that, at the upper end of their estimate, aflatoxin may cause almost 30% of all cases of liver cancer [...]... Read more »
Liu, Y., & Wu, F. (2010) Global Burden of Aflatoxin-Induced Hepatocellular Carcinoma: A Risk Assessment. Environmental Health Perspectives, 118(6), 818-824. DOI: 10.1289/ehp.0901388
Currently, we are in the midst of a skin cancer epidemic, with the annual rates of all forms of skin cancer increasing each year. Surgical removal is most often used for the treatment of skin cancers and the techniques to improve this procedure are constantly evolving. With this in mind, here are five advances in cutaneous surgery. It is hoped that dermatologists will find these ideas useful and might consider implementing them in their daily practice.... Read more »
Irene Vergilis-Kalner. (2010) 5 New Advances in Cutaneous Surgery. DermMatters. info:other/URL
I got a little bit starry eyed writing about the Neanderthal genome the other day. I chose to retrace the arc of scientific progress that links the initial description of Neanderthal man as something different than modern humans to the point reached last month, where we are able to tag some of those differences to a single gene. Most of the news stories about the Neanderthal genome focused not on the genes that made us different from them, but a small percentage of the genome that reinforced th........ Read more »
TRICHOTILLOMANIA (or hair pulling) is a condition characterised by excessive grooming and strong, repeated urges pull out one's own hair. It is classified as an obsessive-compulsive disorder (OCD), and is relatively common, affecting about 2 in 100 people. Sufferers normally feel an increasing sense of tension before pulling out their scalp hair, facial hair, and even pubic hair, eyelashes or eyebrows. This provides gratification, but only briefly.
Hair pulling is usually thought of as being ps........ Read more »
Chen, S., Tvrdik, P., Peden, E., Cho, S., Wu, S., Spangrude, G., & Capecchi, M. (2010) Hematopoietic Origin of Pathological Grooming in Hoxb8 Mutant Mice. Cell, 141(5), 775-785. DOI: 10.1016/j.cell.2010.03.055
Invasive species flock to richer, more crowded European countries
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Pysek, P. et al. (2010) Disentangling the role of environmental and human pressures on biological invasions across Europe. Proceedings of the National Academy of Sciences. info:/10.1073/pnas.1002314107
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