Post List

  • January 20, 2011
  • 05:30 AM

What's in your kid's lunch bag?

by Yoni Freedhoff in Weighty Matters

Amazingly, despite the very basic fact that the food we provide our children is quite literally their bodies' building blocks, it would appear as if we're building our kids out of sugar and salt.Researchers over in the UK wanted to get a better look at packed lunches and so they undertook at cross-sectional survey that had 1,294 8-9 year old kids from 89 different British public schools work with researchers on a tool called the, "Lunch Box Evaluation Questionnaire".The results weren't heartwarm........ Read more »

  • January 20, 2011
  • 03:52 AM

Real-Time Visualization of DNA Transcription

by avi_wener in American Biotechnologist

Most of my graduate work focused on transcriptional regulation of a vasoregulatory gene and all the nitty-gritty work that goes along with these types of molecular protocols. As such, I am always on the lookout for techniques that improve upon current transcriptional regulation protocols especially if they show a propensity for doing the job either [...]... Read more »

L. Stirling Churchman, & Jonathan S. Weissman. (2011) Nascent transcript sequencing visualizes transcription at nucleotide resolution. Nature, 368-373. info:/doi:10.1038/nature09652

  • January 20, 2011
  • 03:49 AM

Retract That Seroxat?

by Neuroskeptic in Neuroskeptic

Should a dodgy paper on antidepressants be retracted? And what's scientific retraction for, anyway?Read all about it in a new article in the BMJ: Rules of Retraction. It's about the efforts of two academics, Jon Jureidini and Leemon McHenry. Their mission - so far unsuccesful - is to get this 2001 paper retracted: Efficacy of paroxetine in the treatment of adolescent major depression.Jureidini is a member of Healthy Skepticism, a fantastic Australian organization that Neuroskeptic readers have e........ Read more »

Keller MB, Ryan ND, Strober M, Klein RG, Kutcher SP, Birmaher B, Hagino OR, Koplewicz H, Carlson GA, Clarke GN.... (2001) Efficacy of paroxetine in the treatment of adolescent major depression: a randomized, controlled trial. Journal of the American Academy of Child and Adolescent Psychiatry, 40(7), 762-72. PMID: 11437014  

Newman, M. (2010) The rules of retraction. BMJ, 341(dec07 4). DOI: 10.1136/bmj.c6985  

  • January 20, 2011
  • 02:00 AM

Psychopaths chronic cheating and impulsive risky behaviors are linked to reasoning impairments

by SAGE Insight in SAGE Insight

Psychopaths are impaired in social exchange and precautionary reasoning   From Pychological Science Psychopaths persistently violate social, moral, and legal norms, cheating family, friends, and strangers alike. Two hallmarks of psychopathy are the persistent violation of social contracts and chronic, impulsive risky behavior. By testing incarcerated psychopaths this study considers if they understand what qualifies [...]... Read more »

  • January 20, 2011
  • 01:35 AM

Using board games to teach science

by helikonios in The view from Helicon

Elementary school students—even high school students—learn some fairly trite truisms about the scientific method that often aren’t clearly linked to the experimental results that are presented in textbooks as The Truth. A new paper in PLoS Biology makes a link between the codebreaking game Mastermind and teaching scientific reasoning skills to young students, in a [...]... Read more »

  • January 19, 2011
  • 10:55 PM

Elaborating Upon Titanium Dioxide Nanoparticle Pulmonary Toxicity

by Michael Long in Phased

Titanium dioxide nanoparticles interfere with intracellular calcium signaling and promote mucin protein secretion, directly implicating such nanoparticles in pulmonary toxicity (blocked airways).... Read more »

Chen, E. Y. T., Garnica, M., Wang, Y.-C., Chen, C.-S., & Chin, W.-C. (2011) Mucin Secretion Induced by Titanium Dioxide Nanoparticles. PLoS ONE, 6(1). DOI: 10.1371/journal.pone.0016198  

  • January 19, 2011
  • 09:51 PM

Book Review: When the Past is Always Present; A New PTSD Treatment?

by David Johnson, MSW, LICSW in Dare To Dream

by Ronald Ruden, MD, PhD
When the Past Is Always Present: Emotional Traumatization, Causes, and Cures introduces a new treatment for trauma. Ronald A. Ruden is an internal medicine physician practicing in Manhattan. Since beginning his practice in 1983, he has dedicated part of the proceeds to follow research interests. His first efforts resulted in the book, The Craving Brain, a neurobiological discussion of addictive behaviors. In 2003 he redirected his interest in understanding traumatizatio........ Read more »

Rasolkhani-Kalhorn, T., & Harper, M. (2006) EMDR and Low Frequency Stimulation of the Brain. Traumatology, 12(1), 9-24. DOI: 10.1177/153476560601200102  

Ruden, R. (2011) When the Past is Always Present. Psychosocial Stress Series. Routledge. info:other/978-0-415-87564-6

  • January 19, 2011
  • 09:34 PM

Keep Your International Arbitration out of the Tower of Babel

by Persuasion Strategies in Persuasive Litigator

By: Dr. Ken Broda-Bahm - So, a retired Brazilian judge, two American litigators, and three German engineers walk into a bar... Okay, so it wasn't a bar, it was an international arbitration, but the potential for miscommunication is just as great as the joke intro would imply. This one took place in Sao Paulo, Brazil and it was preceded by a two-day mock arbitration that I facilitated in order to help our litigation team prepare the best arbitration case possible. Any case that makes it to arbitr........ Read more »

  • January 19, 2011
  • 06:56 PM

Entomophagy: moths for dinner

by Chris Grinter in The Skeptical Moth

I have always known that in many places of the world, especially off the beaten track, caterpillars of moths and butterflies are on the menu.  From Africa to Australia there are dozens of species that might taste good enough to be reasonably edible or even delicious.  But here in the US insects rarely . . . → Read More: Entomophagy: moths for dinner... Read more »

  • January 19, 2011
  • 05:51 PM


by Sanford- Burnham in Beaker

Not all cells in a tumor are equal. They have different genes, proteins and behaviors and while some are easily killed, others are more resistant to cell-destroying therapies. In some cancers, a few of these hardier cells are cancer stem cells and they may be the culprits behind tumor formation and drug resistance. Much like [...]... Read more »

  • January 19, 2011
  • 05:20 PM

The Neuroscience of Fear and Loathing

by Shaheen Lakhan in Brain Blogger

Fear is an innate emotion that is triggered by environmental stimuli perceived as potentially threatening or harmful. This emotion is so basic to human existence that its expression on a human face can be accurately recognized by anyone in the world. Thus, fear is a highly evolved, universal emotion whose existence is critical to survival. [...]... Read more »

Ekman P, Sorenson ER, & Friesen WV. (1969) Pan-cultural elements in facial displays of emotion. Science (New York, N.Y.), 164(3875), 86-8. PMID: 5773719  

Feinstein JS, Adolphs R, Damasio A, & Tranel D. (2011) The human amygdala and the induction and experience of fear. Current biology : CB, 21(1), 34-8. PMID: 21167712  

Koenigs M, Huey ED, Raymont V, Cheon B, Solomon J, Wassermann EM, & Grafman J. (2008) Focal brain damage protects against post-traumatic stress disorder in combat veterans. Nature neuroscience, 11(2), 232-7. PMID: 18157125  

  • January 19, 2011
  • 05:00 PM

The Genetics of Pesticide Resistant Bedbugs

by Greg Laden in Greg Laden's Blog

Bedbugs (Insects of the Cimicidae family, commonly Cimex lectularius) are annoying, can carry diseases, and are apparently becoming more common in the US. Interestingly, there has been very little study done of their genetics. A new study just out in PLoS ONE looks at the bedbug genome in an effort to better understand pesticide resistance in these pesky critters.

Read the rest of this post... | Read the comments on this post...... Read more »

Bai, X, & Et al. (2011) Transcriptomics of the Bed Bug (Cimex lectularius). PLoS ONE, 6(1). info:/

  • January 19, 2011
  • 05:00 PM

The Elephant's Chirp

by Shermin de Silva in Maximus

This is about one of those moments every scientist lives for: discovery. A new and mysterious elephant call, so soft and rare it barely registers conscious notice. To what end? No one knows.... Read more »

  • January 19, 2011
  • 04:24 PM

All about the attitude

by FrauTech in Design. Build. Play.

Does the old saying fake it old you make it hold any water? Turns out maybe. Researchers from Columbia and Harvard Universities posed subjects in one of four positions: two high power positions(expansive, open limbs) and two low power positions(contractive, closed limbs). Then they measured risk taking, self-response about feelings, and testosterone and cortisol.The high power positions were sitting stretched in a chair with legs propped up on a table and arms behind the head as well as lea........ Read more »

  • January 19, 2011
  • 02:11 PM

Should You Go With Your Gut?

by APS Daily Observations in Daily Observations

Have you ever relied on your gut feeling to make a decision? A new study published in Psychological Science suggests that while one’s “gut intuition” may be helpful when combined ... Read more »

Dunn, B.D., Galton, H.C., Morgan, R., Evans, D., Oliver, C., Meyer, M., Cusack, R., Lawrence, A.D., & Dalgleish, T. (2010) Listening to your heart: how interoception shapes emotion experience and intuitive decision making. Psychological Science, 21(12), 1835-44. PMID: 21106893  

  • January 19, 2011
  • 01:39 PM

Redefining the Kilogram

by Ryan K in A Quantum of Knowledge

There has been a movement in the physics world for that past few years to standardize the kilogram. At the moment, a kilogram is defined as the mass of the International Prototype Kilogram (IPK), housed at the International Bureau of Weights and Measures (BIPM). The prototype is made of 90% Platinum and 10% Iridium. The [...]... Read more »

Andreas, B., Azuma, Y., Bartl, G., Becker, P., Bettin, H., Borys, M., Busch, I., Gray, M., Fuchs, P., Fujii, K.... (2011) Determination of the Avogadro Constant by Counting the Atoms in a ^{28}Si Crystal. Physical Review Letters, 106(3). DOI: 10.1103/PhysRevLett.106.030801  

  • January 19, 2011
  • 01:00 PM

The Top 10 Medical TV Myths

by Stuart Farrimond in Dr Stu's Science Blog

Everyone loves a good hospital drama. They tick all the boxes for good TV: Gritty plots, life and death situations, steamy relationships, ethical dilemmas and blood and gore. Now more popular than ever, medical TV dramas have come a long way in the last 50 years. But just how accurate are they?

You might be surprised to discover just how many inaccuracies modern hospital TV dramas have in them. Here’s the Top 10 list of things you will only ever see in a TV hospital…... Read more »

Treakle AM, Thom KA, Furuno JP, Strauss SM, Harris AD, & Perencevich EN. (2009) Bacterial contamination of health care workers' white coats. American journal of infection control, 37(2), 101-5. PMID: 18834751  

  • January 19, 2011
  • 12:53 PM

Ringing in the New Year with Info Science Conferences: What social media do you use? #ALISE #HICSS

by Anatoliy Gruzd in Social Media Lab

Early January was a busy time for information science scholars, with two major conferences held in the United States.  Both the Association of Library and Information Science Educators (ALISE) Conference, and the Hawaii International Conference on System Sciences (HICSS) were held from January 4-7 this year.  Researchers from the Social Media Lab attended each to [...]... Read more »

Gruzd, A. . (2011) How Online Social Media and Networks Are Changing Scholarly Practice. Poster presented at the Association for Library and Information Science Education (ALISE) conference. info:/

  • January 19, 2011
  • 12:14 PM

Evidence Against The Universe Being Fine Tuned For Life.

by Joseph Smidt in The Eternal Universe

Many people will tell you that the universe appears fine tuned for life.  Don Page has decided to address this issue scientifically by calculating the best value for the cosmological constant needed to support life in the universe and then comparing it to our own.  His conclusion is that the cosmological constant is actually an example that our universe is not fine tuned for life.


... Read more »

Don N. Page. (2011) Evidence Against Fine Tuning for Life. E-Print. arXiv: 1101.2444v1

  • January 19, 2011
  • 11:30 AM

PAIN: Pain changes how pain works: what we know about central sensitization so far

by Paul Ingraham in SaveYourself

This is a direct jargon-to-English translation of an important scientific paper by Clifford Woolf, a distinguished pain researcher, published in Pain in Oct 2010. Everyone — and I do mean everyone — needs to know this. It’s owners manual stuff.

Pain itself often modifies the way the central nervous system works, so that a patient actually becomes more sensitive and gets more pain with less provocation. That sensitization is called “central sensitization” because it involves change........ Read more »

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