Post List

  • January 20, 2011
  • 07:00 AM

January 20, 2011

by Erin Campbell in HighMag Blog

Not all neurons are created equally…today’s image is from a paper describing a pathway that regulates the differentiation of specialized neurons in the fruit fly Drosophila.... Read more »

  • January 20, 2011
  • 06:45 AM

How Michael Jackson's Heal The World really could help heal the world

by BPS Research Digest in BPS Research Digest

"Heal The WorldMake It A Better PlaceFor You And For MeAnd The Entire Human Race"So much research has looked at the effects of violent music lyrics and video-games on people's aggressiveness, but what about the effects of media with a positive message? Can songs like Michael Jackson's Heal the World and Bob Sinclair's Love Generation change people's behaviour for the better? Tobias Greitemeyer says this side of the media-behaviour equation has been neglected before now, but in a series of fi........ Read more »

  • January 20, 2011
  • 06:30 AM

Medieval soldiers illuminate modern stunting

by Jeremy in Agricultural Biodiversity Weblog

A couple of sentences in one of The Economist’s celebrated Christmas articles brought me up short. The article detailed a forensic investigation of soldiers who fell in 1491 at Towton, “perhaps the bloodiest battle ever fought in England”. The good thing about Towton is that a mass grave yielded 40 skeletons, 28 of them complete, [...]... Read more »

  • January 20, 2011
  • 06:26 AM

the amazing disappearing habitable world?

by Greg Fish in weird things

Gliese 581g, we hardly knew you. After a grand announcement, nearly immediate colonization plans from a leading sci-fi blog, and even a tale of supposed alien signals emanating from the newly discovered world, which was actually just an invention of the Daily Mail, rumors started surfacing that this planet wasn’t being detected in subsequent reviews [...]... Read more »

  • January 20, 2011
  • 05:30 AM

From bench to barn

by Becky in It Takes 30

Has synthetic biology ever gone further than this?  If so, I’m not aware of it.  A recent paper (Kemmer et al. 2010. A designer network coordinating bovine artificial insemination by ovulation-triggered release of implanted sperms. J. Controlled Release PMID: 21108977) starts by engineering a simple hormone-response circuit and ends with pregnant cows. First, a little [...]... Read more »

Kemmer C, Fluri DA, Witschi U, Passeraub A, Gutzwiller A, & Fussenegger M. (2010) A designer network coordinating bovine artificial insemination by ovulation-triggered release of implanted sperms. Journal of controlled release : official journal of the Controlled Release Society. PMID: 21108977  

  • 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  

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