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  • October 24, 2011
  • 06:39 PM

Siphons really do suck

by GrrlScientist in Maniraptora

SUMMARY: Video proof that siphons do not require atmospheric pressure to suck ... Read more »

Boatwright, A., Puttick, S., & Licence, P. (2011) Can a Siphon Work In Vacuo?. Journal of Chemical Education, 2147483647. DOI: 10.1021/ed2001818  

  • October 24, 2011
  • 12:59 PM

Three Myths About Power

by Psych Your Mind in Psych Your Mind

Does Power Corrupt? source

The reign of Libyan dictator Muammar Qaddafi came to an end last week at the hands of a combination of rebel and UN forces. Qaddafi-- at least according to the American news media and some of his own people--was widely considered a tyrannical ruler who stifled free expression and democracy during his 40 years of rule. Whenever I think of men like Qaddafi, the social psychologist in me can't help but think that the situation has created the tyrant we now know-- ........ Read more »

Chen, S., Lee-Chai, A., & Bargh, J. (2001) Relationship orientation as a moderator of the effects of social power. Journal of Personality and Social Psychology, 80(2), 173-187. DOI: 10.1037//0022-3514.80.2.173  

  • October 24, 2011
  • 03:51 AM

When is it right to Smack a Child?

by Stuart Farrimond in Dr Stu's Science Blog

“Spare the rod and spoil the child” Last week I received an odd request from a local radio station. They phoned to ask if I would take part in an on-air discussion about parenting issues – I was more than a little bemused. Having no experience of parenting (babysitting doesn’t count) – I felt ill … Continue reading »... Read more »

  • October 24, 2011
  • 01:42 AM

Why are doctors more accurate with difficult cases?

by Dr Shock in Dr Shock MD PhD

Buffer Because with difficult cases doctors tend to use refelective reasoning for diagnostic decisions. Reflective reasoning is effortful, conscious analysis of features exhibited by a case. When engaged in reflection for solving a case, physicians tend to more carefully consider case findings, search for alternative diagnoses, and examine their own thinking. A recent study indicated [...]

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Mamede S, Schmidt HG, Rikers RM, Penaforte JC, & Coelho-Filho JM. (2008) Influence of perceived difficulty of cases on physicians' diagnostic reasoning. Academic medicine : journal of the Association of American Medical Colleges, 83(12), 1210-6. PMID: 19202502  

  • October 18, 2011
  • 10:45 AM

Evidence Based Point of Care Summaries [2] More Uptodate with Dynamed.

by Laika in Laika's Medliblog

This post is part of a short series about Evidence Based Point of Care Summaries or POCs. In this series I will review 3 recent papers that objectively compare a selection of POCs. In the previous post I reviewed a paper from Rita Banzi and colleagues from the Italian Cochrane Centre [1]. They analyzed 18 POCs with respect to their [...]... Read more »

  • October 17, 2011
  • 01:59 AM

Explaining Diagnostic Errors

by Dr Shock in Dr Shock MD PhD

Buffer One possible mechanism for diagnostic errors made by physicians is the availability bias. Clinical reasoning is one of the most important achievements after med school. Flaws in clinical reasoning can result in diagnostic errors and medical mistakes. Availability bias is the doctor who diagnoses a certain disease more often since it comes to mind [...]

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Mamede, S., van Gog, T., van den Berge, K., Rikers, R., van Saase, J., van Guldener, C., & Schmidt, H. (2010) Effect of Availability Bias and Reflective Reasoning on Diagnostic Accuracy Among Internal Medicine Residents. JAMA: The Journal of the American Medical Association, 304(11), 1198-1203. DOI: 10.1001/jama.2010.1276  

  • October 16, 2011
  • 05:00 PM

World Food Day / Blog Action Day

by Matthew Garcia in Hydro-Logic

Today is World Food Day, as designated by the United Nations on the anniversary of the founding of the Food and Agriculture Organization in 1945, and as such is this year's Blog Action Day on the topic of food...... Read more »

  • October 14, 2011
  • 05:47 AM

“Hey you, Fatty! Stop eating so much!” declares UK government

by Stuart Farrimond in Dr Stu's Science Blog

That’s right, being fat is your fault after all. Yesterday, the UK minister for health, Andrew Lansley jabbed his not-too-chubby finger at the overweight far lacking insight into their food addiction. In a rally-call to the 60% of overweight adult Britons, his announced a new ‘national ambition’ is to cut out the hamburgers and go … Continue reading »... Read more »

  • October 13, 2011
  • 12:19 PM

Evidence Based Point of Care Summaries [1] No “Best” Among the Bests?

by Laika in Laika's Medliblog

For many of today’s busy practicing clinicians, keeping up with the enormous and ever growing amount of medical information, poses substantial challenges [6]. Its impractical to do a PubMed search to answer each clinical question and then synthesize and appraise the evidence. Simply, because busy health care providers have limited time and many questions per day. As [...]... Read more »

Banzi, R., Liberati, A., Moschetti, I., Tagliabue, L., & Moja, L. (2010) A Review of Online Evidence-based Practice Point-of-Care Information Summary Providers. Journal of Medical Internet Research, 12(3). DOI: 10.2196/jmir.1288  

Goodyear-Smith F, Kerse N, Warren J, & Arroll B. (2008) Evaluation of e-textbooks. DynaMed, MD Consult and UpToDate. Australian family physician, 37(10), 878-82. PMID: 19002313  

  • October 13, 2011
  • 10:48 AM

Kill Popular Science

by nooffensebut in The Unsilenced Science

This is a preliminary review of Harvard psychologist Steven Pinker’s new book, The Better Angels of Our Nature. I reveal serious errors and distortions from his peer-reviewed sources.... Read more »

Kevin Beaver, Ashley Sak, Jamie Vaske, & Jessica Nilsson. (2010) Genetic risk, parent–child relations, and antisocial phenotypes in a sample of African-American males. Psychiatry Research, 175(1-2), 160-164. info:/

Lu RB, Lee JF, Ko HC, Lin WW, Chen K, & Shih JC. (2002) No association of the MAOA gene with alcoholism among Han Chinese males in Taiwan. Progress in neuro-psychopharmacology , 26(3), 457-61. PMID: 11999895  

Philibert RA, Gunter TD, Beach SR, Brody GH, & Madan A. (2008) MAOA methylation is associated with nicotine and alcohol dependence in women. American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics, 147B(5), 565-70. PMID: 18454435  

  • October 12, 2011
  • 12:17 AM

Cleaning an Amorsolo: A new digital cleaning technique for oil painting

by nath in Imprints of Philippine Science

A painting degrades overtime because of different chemical and physical processes. The degradation may be due to some dirt or dust, or light exposure which hastens the usual deterioration of the chemicals used in the paint.

Physical cleaning of the painting is one of the ways to bring the painting back to its original state. A problem though arises because physical cleaning of the painting is mostly subjective. There are no clear standards of restoration and it is pratically trial and error........ Read more »

  • October 10, 2011
  • 10:00 PM

A history of music cognition?

by Henkjan Honing in Music Matters

One of the pioneers in the field that would come to be called music cognition was H. Christopher Longuet-Higgins (1923-2004). Not only was Longuet-Higgins one of the founders of the cognitive sciences (he coined the term in 1973), but as early as 1971 he formulated, together with Mark Steedman, the first computer model of musical perception. That early work was followed in 1976 with a full-fledged alternative in the journal Nature, seven years earlier than the more widely known, but, according t........ Read more »

Longuet-Higgins, C. (1983) All in theory — the analysis of music. Nature, 304(5921), 93-93. DOI: 10.1038/304093a0  

Longuet-Higgins, H. (1976) Perception of melodies. Nature, 263(5579), 646-653. DOI: 10.1038/263646a0  

Honing, H. (2011) The illiterate Listener. On music cognition, musicality and methodology. Amsterdam University Press. info:other

  • October 10, 2011
  • 08:00 AM

Cooperation Is Child’s Play

by Krystal D'Costa in Anthropology in Practice

Cooperation confounds us: Humans are the only members of the animal kingdom to display this tendency to the extent that we do, and it’s an expensive endeavor with no guarantee of reciprocal rewards. While we continue to look for answers about how and why cooperation may have emerged in human social and cultural evolution, we [...]

... Read more »

  • October 10, 2011
  • 01:39 AM

Do Admission Interviews Predict Performance in Residency?

by Dr Shock in Dr Shock MD PhD

Buffer Since we’re busy selecting new residents for our program an article about the subject caught my eye. This article was about whether a structured, behavior-based applicant interview predicts future success in an obstetrics and gynecology residency program. Interesting question since little is known about the use of residency interview in predicting the applicant’s future [...]

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  • October 9, 2011
  • 08:06 PM

Friday Fun: Breaking News! Correlation Does Not Equal Causation

by Psych Your Mind in Psych Your Mind

Man and IPhone pictured in loving embrace (source)

Right now I am teaching a personality psychology class and we are talking about research methods. Invariably, anytime I teach psychological methods I always end up talking about correlations--specifically, that a correlation is an association between two variables and nothing more. The important point is that correlations--even those that come from fancy associations between behavior and brain images--do not mean causation. Students are typic........ Read more »

Veerman JL, Healy GN, Cobiac LJ, Vos T, Winkler EA, Owen N, & Dunstan DW. (2011) Television viewing time and reduced life expectancy: a life table analysis. British journal of sports medicine. PMID: 21844603  

  • October 9, 2011
  • 02:46 AM

An ontology for QSAR and cheminformatics

by egonw in Chem-bla-ics

QSAR and QSPR are the fields that statistically correlate chemical substance features with (biological) activities (QSAR) or properties (QSPR). The chemical substance can be molecular structures, drug (which are not uncommonly mixtures), and true mixture like nanomaterials (NanoQSAR). Readers of this blog know I have been working towards making these kind of studies more reproducible for many years now.

Parts of this full story include the Blue Obelisk Data Repository (BODR), QSAR-ML, the CDK f........ Read more »

  • October 9, 2011
  • 12:00 AM

Girls Versus Boys: The Final Battle

by nooffensebut in The Unsilenced Science

Here I review SAT score gender gaps by race, with special attention to the progress of Asian women. Plus, I detail the allele frequencies by race of body fat genes identified in a recent meta-analysis of genome-wide association studies.... Read more »

Kilpeläinen TO, Zillikens MC, Stančákova A, Finucane FM, Ried JS, Langenberg C, Zhang W, Beckmann JS, Luan J, Vandenput L.... (2011) Genetic variation near IRS1 associates with reduced adiposity and an impaired metabolic profile. Nature genetics, 43(8), 753-60. PMID: 21706003  

  • October 7, 2011
  • 05:17 PM

“I love you this many dollars worth.”

by eHarmony Labs in eHarmony Labs Blog

“Presents are the best way to show someone how much you care. It is like this tangible thing that you can point to and say, ‘Hey man, I love you this many dollars-worth.’” – Michael Scott

How true is this quote? Is it really the thought that counts, or deep down are you placing a dollar amount on your relationship?
... Read more »

  • October 7, 2011
  • 11:13 AM


by Lee Turnpenny in The Mawk Moth Profligacies

Commending science... and the reporting of it.... Read more »

Noggle S, Fung HL, Gore A, Martinez H, Satriani KC, Prosser R, Oum K, Paull D, Druckenmiller S, Freeby M.... (2011) Human oocytes reprogram somatic cells to a pluripotent state. Nature, 478(7367), 70-5. PMID: 21979046  

  • October 6, 2011
  • 12:19 PM

New York Times on Addiction and The Insula

by The Neurocritic in The Neurocritic

In Clue to Addiction, Brain Injury Halts SmokingBy BENEDICT CAREYPublished: January 26, 2007Scientists studying stroke patients are reporting today that an injury to a specific part of the brain, near the ear, can instantly and permanently break a smoking habit. People with the injury who stopped smoking found that their bodies, as one man put it, “forgot the urge to smoke.”The finding, which appears in the journal Science, is based on a small study [Naqvi et al., 2007]. But experts say it i........ Read more »

Naqvi, N., Rudrauf, D., Damasio, H., & Bechara, A. (2007) Damage to the Insula Disrupts Addiction to Cigarette Smoking. Science, 315(5811), 531-534. DOI: 10.1126/science.1135926  

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