Post List

  • 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 »

  • January 19, 2011
  • 11:30 AM

LOW BACK PAIN: Does low back increase as you age? Has it increased for humanity over the decades?

by Paul Ingraham in SaveYourself

Nearly everyone assumes that back pain increases with age because backs hurt as they start to “degenerate.” In fact, studies of low back pain have contradicted this over and over again. Although certain types of back pain are relatively absent in the young and become increasingly common with age, it doesn’t affect the overall trend: most back pain occurs in middle age, and then either declines or levels off in the last third of life — exactly the opposite of what you’d expect if b........ Read more »

  • January 19, 2011
  • 11:24 AM

Presenteeism in the workplace, reviewed

by Rebecca Quereshi in Occ Psy Dot Com

Absenteeism, i. e. not showing up for work, has been the subject of much research to date. In contrast, presenteeism (defined as showing up for work when one is ill), has only received interest in recent years, with research suggesting that it might cause more aggregate productivity loss than absenteeism. Consequences of chronic presenteeism or absenteeism may include effects on downstream health status, job attendance dynamics, and organizational membership.... Read more »

  • January 19, 2011
  • 10:08 AM

Japanese Men Drink, Eat Fatty Food, Have Fun and Die

by Ultimo167 in Strong Silent Types

If you have ever had the pleasure of being in a boisterous Tokyo bar at night, eating and drinking amongst a din that would sear the armour off a tank,you get the feeling that this is what pure, hedonistic joy must be like. And, according to this article by Ikeda et al. (2011), Japanese men love it as well. The downer seems to be that while all that upbeat male bonding is good for lowering stress, the accompanying fat and alcohol brings on health effects of a less favourable kind.... Read more »

  • January 19, 2011
  • 09:48 AM

Was Steven Pinker right after all?

by Henkjan Honing in Music Matters

At the end of the 1990s, cognitive psychologist Steven Pinker infamously characterized music as “auditory cheesecake”: a delightful dessert but, from an evolutionary perspective, no more than a by-product of language. But Pinker was probably right when he wrote: “I suspect music is auditory cheesecake, an exquisite confection crafted to tickle the sensitive spots of...our mental faculties.” Or, to express his idea less graphically: music affects our brains at specific places, thereby sti........ Read more »

  • January 19, 2011
  • 09:02 AM

Satellites and Sea Turtles: Can We Save the Last Member of the Genus Dermochelys?

by Kelly Grooms in Promega Connections

Let me start out by saying: I love sea turtles.  I can’t explain why, but they fascinate me. I have sweatshirts, bags and artwork with sea turtles on them. I even make jewelry with sea turtle themes. Ask anyone who knows me; I have a thing for sea turtles. So when I came across the [...]... Read more »

Witt MJ, Augowet Bonguno E, Broderick AC, Coyne MS, Formia A, Gibudi A, Mounguengui Mounguengui GA, Moussounda C, Nsafou M, Nougessono S.... (2011) Tracking leatherback turtles from the world's largest rookery: assessing threats across the South Atlantic. Proceedings. Biological sciences / The Royal Society. PMID: 21208949  

  • January 19, 2011
  • 08:52 AM

Did the ancient Egyptians know of pygmy mammoths? Well, there is that tomb painting.

by Darren Naish in Tetrapod Zoology

One of the things that came up in the many comments appended to the article on Bob's painting of extinct Maltese animals was the famous Egyptian tomb painting of the 'pygmy mammoth'. You're likely already familiar with this (now well known) case: here's the image, as it appears on the beautifully decorated tomb wall of Rekhmire, 'Governor of the Town' of Thebes, and vizier of Egypt during the reigns of Tuthmose III and Amenhotep II (c. 1479 to 1401 BCE) during the XVIII dynasty...

Read the r........ Read more »

Rosen, B. (1994) Mammoths in ancient Egypt?. Nature, 369(6479), 364-364. DOI: 10.1038/369364b0  

  • January 19, 2011
  • 08:00 AM

Does Mandatory Menu Labeling Change Behaviour?

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

One of the proposed strategies to nudge consumers to eat fewer calories is the mandatory labeling of menus. While this makes intuitive sense, the actual impact of this strategy is not clear.
This issue was now addressed by Eric Finkelstein and colleagues from Duke-National University of Singapore, in a study just published in the American Journal [...]... Read more »

Finkelstein EA, Strombotne KL, Chan NL, & Krieger J. (2011) Mandatory menu labeling in one fast-food chain in king county, washington. American journal of preventive medicine, 40(2), 122-7. PMID: 21238859  

  • January 19, 2011
  • 07:34 AM

Supply Chain Disruptions and Shareholder Wealth

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

In last weeks article (Hendricks and Singhal, 2005) I described the effects of supply chain glitches on supply chain performance. This week should be viewed an update to that.

Already in 2003 Hendricks and Singhal showed in an article the devastating effects supply chain glitches can have on the shareholder value. Up to that time a strong correlation between excellence in supply chain management and shareholder value has always been presumed. Many have alluded to the compelling bottom-line........ Read more »

Hendricks, K., & Singhal, V.R. (2003) The effect of supply chain glitches on shareholder wealth. Journal of Operations Management, 21(5), 501-522. DOI: 10.1016/j.jom.2003.02.003  

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