Post List

  • March 3, 2010
  • 07:00 AM

Tall Tales of Diabetic Amputations

by Shaheen Lakhan in Brain Blogger

Diabetes is the leading cause of nontraumatic amputation in developed nations. Lower-limb amputations are particularly common in type 2 diabetes and impose a substantial burden on the patient’s and caregiver’s quality of life, as well as profound economic and health care burdens for the individual and society. Many studies have attempted to outline the risk [...]... Read more »

  • March 3, 2010
  • 05:00 AM

Using GPS to remotely observe wildlife behavior

by Rob Goldstein in Conservation Maven

GPS plays an important role in wildlife conservation by enabling managers to track the movements of animals. But sometimes wildlife biologists want to know more than just where an animal is located at any given time - sometimes they also want to know what an animal is actually doing...... Read more »

  • March 3, 2010
  • 01:40 AM

Risk Disablers

by Jan Husdal in

My latest acquaintance in supply chain risk research methodology is developing  drivers and dependants using interpretive structural modelling (ISM).  This is good example of how it can be applied.... Read more »

Faisal, M., Banwet, D., & Shankar, R. (2006) Supply chain risk mitigation: modeling the enablers. Business Process Management Journal, 12(4), 535-552. DOI: 10.1108/14637150610678113  

  • March 3, 2010
  • 01:05 AM

Hour-glass figure activates the neural reward centre of the male brain

by BPS Research Digest in BPS Research Digest

There's little doubt that many conceptions of attractiveness are faddish - the size zero female model being an obvious example. However, other notions of beauty are more hard-wired, perhaps reflecting an evolutionary adaptation. These aspects of appearance have come to be associated with fertility, signifying 'reproductive fitness' to potential mates. Male facial symmetry is one example. Another is the hour-glass female form. Men in cultures across world report a preference for women with a lowe........ Read more »

  • March 3, 2010
  • 01:04 AM

Unusual Headaches

by The Neurocritic in The Neurocritic

Headache, by Robert Magginetti (Tranquility Base)In the last post we learned about Alice in Wonderland syndrome, a rare phenomenon involving distortions of visual perception and body image, most often caused by migraines. Although a specialty practice in headache might seem dull [so to speak] at first glance to those interested in behavioral neurology, unusual and colorfully-named types of headaches can make things more interesting. In Case Studies of Uncommon Headaches (2006), Dr. Randolph Evan........ Read more »

EVANS, R. (2006) Case Studies of Uncommon Headaches. Neurologic Clinics, 24(2), 347-362. DOI: 10.1016/j.ncl.2006.01.006  

  • March 2, 2010
  • 11:14 PM

Invasive species corrupt DNA, not just ecosystems (Fitzpatrick et al., PNAS 2010)

by Hannah Waters in Culturing Science – biology as relevant to us earthly beings

I rarely think about how invasive species affect genetics.  It’s always in terms of ecosystems or species: invasive brown tree snakes gobbling up birds and lizards in Guam, or zebra mussels overwhelming and altering the environment of the Great Lakes.  How one species outcompetes and replaces another, changing the natural system.  This is partly [...]... Read more »

Fitzpatrick, B., Johnson, J., Kump, D., Smith, J., Voss, S., & Shaffer, H. (2010) Rapid spread of invasive genes into a threatened native species. Proceedings of the National Academy of Sciences, 107(8), 3606-3610. DOI: 10.1073/pnas.0911802107  

  • March 2, 2010
  • 11:10 PM

Manipulating Fat in the Context of Slowing Aging

by Reason in Fight Aging!

Researchers have established to a more than reasonable degree that fat is important in longevity and aging. A compelling experiment in mice, for example, demonstrates that less visceral fat means a longer life. Then we have the link between fat and chronic inflammation, and the strong correlations between excess fat tissue and all of the common age-related conditions. Given all of this evidence, it shouldn't be surprising that at least some of those researchers interested in slowing down the agi........ Read more »

  • March 2, 2010
  • 11:07 PM

The inheritance of face recognition

by Grant Jacobs in Code for life

You’d think that recognising faces is one of those things that we all do well, or at least the vast majority of us do, yet in practice our ability to do this varies.
Recent twin studies present evidence that face recognition is heritable and is a distinct cognitive task in it’s own right.
At one end of [...]... Read more »

Wilmer, J., Germine, L., Chabris, C., Chatterjee, G., Williams, M., Loken, E., Nakayama, K., & Duchaine, B. (2010) Human face recognition ability is specific and highly heritable. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0913053107  

  • March 2, 2010
  • 08:44 PM

Land consumption and open space loss across U.S. cities

by Phil Camill in Global Change: Intersection of Nature and Culture

The issue of land use change is a complex, with many factors being important historically, such as

population growth (more land required for more people)
technology (e.g., automobiles made suburban expansion feasible)
economics (cheaper land and rents in suburbs compared to cities)
policy (things like 30-yr mortgages, mortgage insurance, and FHA loans had a large impact on urban sprawl [...]... Read more »

  • March 2, 2010
  • 08:08 PM

Using the physical exam to direct chronic treatment of heart failure

by Robert Badgett in ClinDx

A randomized controlled trial of using NT-proBNP to guide treatment shows that targeting a clinical score also reduced mortality as compared to usual care and the reduction was similar to the use of the NT-proBNP.... Read more »

  • March 2, 2010
  • 06:01 PM

A darwinian legacy OR Why we need fluorescent rabbits

by 96well in Reportergene

My post about fluorescent rabbits is gaining a momentum on the Flickr group 'Bunny Lovers Unite' and in the Rabbitmatch's blog. Most people ask itself: WHY making fluorescent bunnies? And others feel outraged.

Animal research is long debated, and my hope is that the development of new reporter probes would allow to reconsider current research protocols while increasing the scientific significance of the experiments done, this is the focus of my current research. Here, a take opportunity of this........ Read more »

Ciana, P., Raviscioni, M., Mussi, P., Vegeto, E., Que, I., Parker, M., Lowik, C., & Maggi, A. (2002) In vivo imaging of transcriptionally active estrogen receptors. Nature Medicine, 9(1), 82-86. DOI: 10.1038/nm809  

Maggi A, & Rando G. (2009) Reporter mice for the study of intracellular receptor activity. Methods in molecular biology (Clifton, N.J.), 307-16. PMID: 19763513  

  • March 2, 2010
  • 05:26 PM

How can we predict world population growth?

by Dave in The Daily Monthly

Predicting the future is always difficult. Who could have known in the year 1775 that 100 years from then, ships and trains powered by coal would allow people to circle the earth in weeks rather than years? Who could have predicted that in another 100 years, the human voice—and moving images—would be able travel that [...]... Read more »

  • March 2, 2010
  • 04:20 PM

EVEN MORE on the complex interaction between us and our environment

by Lorimer Moseley in BodyInMind

Here is some more groovy stuff - Scientific American just alerted us to a new article in J Neuroscience.  It is right up Charles Spence’s alley but I am stealing his thunder by passing it on now.  Charles showed in humans that potato crisps taste better when you hear a crackling noise (I think he might have [...]... Read more »

Wesson DW, & Wilson DA. (2010) Smelling sounds: olfactory-auditory sensory convergence in the olfactory tubercle. The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(8), 3013-21. PMID: 20181598  

  • March 2, 2010
  • 03:34 PM

Robot Lizard Push-ups!

by Jason Goldman in The Thoughtful Animal

Have you ever been walking through the forest and thought to yourself, “Damn, its loud here…it’s really, really hard to hear anything anybody else is saying”? Well, maybe that’s what prompted Terry J. Ord and Judy A. Stamps, respectively from Harvard and UC Davis to investigate lizard exercise routines.
You ask: What do lizard calisthenics and [...]... Read more »

Ord TJ, & Stamps JA. (2008) Alert signals enhance animal communication in "noisy" environments. Proceedings of the National Academy of Sciences of the United States of America, 105(48), 18830-5. PMID: 19033197  

  • March 2, 2010
  • 02:52 PM

Is Your Brain A Communist?

by Neuroskeptic in Neuroskeptic

Capitalists beware. No less a journal than Nature has just published a paper proving conclusively that the human brain is a Communist, and that it's plotting the overthrow of the bourgeois order and its replacement by the revolutionary Dictatorship of the Proletariat even as we speak.Kind of. The article, Neural evidence for inequality-averse social preferences, doesn't mention the C word, but it does claim to have found evidence that people's brains display more egalitarianism than people thems........ Read more »

Tricomi E, Rangel A, Camerer CF, & O'Doherty JP. (2010) Neural evidence for inequality-averse social preferences. Nature, 463(7284), 1089-91. PMID: 20182511  

  • March 2, 2010
  • 01:00 PM
  • 1,000 views Storm in a teacup 2.0?

by The Twenty-first floor in The Twenty-first floor

Anyone in the skeptical and atheist community who hasn't heard of the row that erupted over changes to forum probably still uses a 56K modem and a dialup connection.
This post summarises the fallout and explores the issue of online communities: are they real or illusory?... Read more »

  • March 2, 2010
  • 12:52 PM

The Dangerous Edge of Gene Doping

by Rob Mitchum in ScienceLife

Please welcome Laurel Mylonas-Orwig, author of today’s post and a new contributor to the blog!
Every two years, the best athletes in the world gather to compete in the modern Olympic Games. Against a backdrop of sand or snow, these seemingly superhuman competitors push their bodies to perform feats that would be impossible for the average [...]... Read more »

  • March 2, 2010
  • 12:49 PM

Bejeweling bugs to inspire bioadhesives?

by Christie Wilcox in Observations of a Nerd

Remember those perhaps gross but cool insect jewelry artists I mentioned before? Now, their incredible tube-making skill might be used in an entirely different field: medicine.Dr. Russell Stewart, an assistant professor at the University of Utah, has been studying natural adhesives for years. He was drawn to the caddisfly because it's one of the few creatures in this world to have accomplished a very difficult feat: it sticks things together underwater.Creating an adhesive that works when wet is........ Read more »

  • March 2, 2010
  • 12:35 PM

Depression’s Upside?

by Michael Bishop in Permutations

The superficial summary is that depression is an evolutionary adaptation, and that is still helping us solve problems in modern society. Is this true? These are two very distinct claims and while each may have some merit, saying it like that may obscure as much as it enlightens. ... Read more »

  • March 2, 2010
  • 11:57 AM

From the Community: February edition

by Katie Kline in EcoTone

Fruit fly behavior mapped, resilience theory in an urban setting, changing the universe’s birthdate and genetic diversity in an all-female species. Here are extra news stories and studies on ecological science for the month of February.... Read more »

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