Post List

  • November 17, 2009
  • 11:51 PM
  • 1,059 views

The evolutionary origins of religion

by David Basanta in Cancerevo: Cancer evolution


Science continues with a series of essays commemorating the year of Darwin. This week (and by this week I mean the one I got this week, actually dated 6th of November) the topic is the evolutionary origins of religion.

This is quite an interesting topic to which I was first introduced with Daniel Dennett’s Breaking the spell: religion as a natural phenomenom. The central premise is that there could be evolutionary advantages to communities in which individuals follow ways of thi........ Read more »

Culotta, E. (2009) On the Origin of Religion. Science, 326(5954), 784-787. DOI: 10.1126/science.326_784  

  • November 17, 2009
  • 09:20 PM
  • 554 views

Towards Practical Intracellular Imaging without Fluorescence

by Michael Long in Phased

Ning Fang (Iowa State University) and coworkers have combined the imaging capabilities of differential interference contrast microscopy with the optical properties of metal nanoparticles to develop a supplement to fluorescence imaging. This news feature was written on November 17, 2009.... Read more »

  • November 17, 2009
  • 07:03 PM
  • 1,149 views

M cells, gatekeepers or gateway to the gut

by geekheartsscience in geek!

Glycoprotein 2 is the M cell receptor for type I pili on bacteria and is important for the immune response to these bacteria, according to research by Hase and colleagues published last week in the journal Nature.
The mucosal immune system is one of the largest components of our immune system and is hugely important for [...]... Read more »

Hase, K., Kawano, K., Nochi, T., Pontes, G., Fukuda, S., Ebisawa, M., Kadokura, K., Tobe, T., Fujimura, Y., Kawano, S.... (2009) Uptake through glycoprotein 2 of FimH bacteria by M cells initiates mucosal immune response. Nature, 462(7270), 226-230. DOI: 10.1038/nature08529  

  • November 17, 2009
  • 05:28 PM
  • 1,068 views

Men often treat their friends better than women do

by Dave Munger in Cognitive Daily

Who's more "sociable," men or women? Common sense says it's women, right? And many research studies back this impression up: Women are more interpersonal, more connected, more interdependent than men. Women are more likely to share intimate information with each other than men. But is that really the whole story?

There is also research suggesting that men have larger social networks than women do, and that male-male friendships last longer than female-female ones.

A team led by Joyce Benenson ........ Read more »

Benenson, J., Markovits, H., Fitzgerald, C., Geoffroy, D., Flemming, J., Kahlenberg, S., & Wrangham, R. (2009) Males' Greater Tolerance of Same-Sex Peers. Psychological Science, 20(2), 184-190. DOI: 10.1111/j.1467-9280.2009.02269.x  

  • November 17, 2009
  • 02:55 PM
  • 602 views

The Brain Can Change Itself: Evidence From Impossible Phantom Limb Movements

by Daniel Hawes in Ingenious Monkey | 20-two-5

Fascinating research - often involving phantom limbs and smart sensory manipulations, -has shown that the brain’s body image relies heavily on learning via sensory feedback. This study shows the brain capable of reconstructing body image even in the absence of sensory feedback...... Read more »

  • November 17, 2009
  • 02:29 PM
  • 1,113 views

Mitigating supply chain disruptions is easy

by Jan Husdal in husdal.com

How could I have missed this paper? I was preparing my 2009-lecture on supply chain risk for tomorrow and while looking for some YouTube videos on supply chain risk to spice up my 3-hour presentation, I came across a short snippet featuring Christopher Tang from UCLA, who was talking about three strategies for building a [ ... ]... Read more »

  • November 17, 2009
  • 01:46 PM
  • 800 views

Phylogenomics of primates and their ancestral populations

by Thomas Mailund in Mailund on the Internet

If you are interested in phylogenomics and primate evolution — including human evolution — this new review in Genome Research is a must read.
Phylogenomics of primates and their ancestral populations
Adam Siepel
Genome assemblies are now available for nine primate species, and large-scale sequencing projects are underway or approved for six others. An explicitly evolutionary and phylogenetic [...]... Read more »

  • November 17, 2009
  • 12:31 PM
  • 751 views

Major Setback in Fight Against Breast Cancer

by Daniel Koboldt in Massgenomics

On the front page of this morning’s USA Today, the headline reads “Report: Mammograms may not be needed until age 50.“  The story covers the recent findings of the U.S. Preventive Services Task Force (USPSTF), published this month in Annals of Internal Medicine.  In it, the “independent panel of experts” makes some rather startling recommendations.  [...]... Read more »

U.S. Preventive Services Task Force. (2009) Screening for Breast Cancer: U.S. Preventive Services Task Force Recommendation Statement. Annals of Internal medicine, 151(10), 716-726. info:/

  • November 17, 2009
  • 11:17 AM
  • 2,237 views

The Source of Water on the Earth and Moon

by CM in The Iapetus Beat

A protoplanetary disk rotating around a young star. (NASA)Francis Albarède published a review paper in the October 29th Nature on the source of water and other volatiles in the Earth-Moon system. I read it when it came out but the LCROSS results prompted me to revisit it. Here’s a portion of Albarède’s abstract:Accretion left the terrestrial planets depleted in volatile components. Here I examine evidence for the hypothesis that the Moon and the Earth were essentially d........ Read more »

  • November 17, 2009
  • 11:11 AM
  • 822 views

Grow More Fat and Improve Metabolic Health: Insights from TZD Treatment of Obese

by Travis Saunders, MSc in Obesity Panacea

By now, readers of Obesity Panacea (which just celebrated its 1 year anniversary!) have hopefully learned that excess weight is not directly predictive of health risk, and that excess fat mass is not in itself unhealthy. Recall that approximately 30% of individuals who are classified as obese by their body weight turn out to be metabolically healthy, and in fact seem not to get much metabolic benefit (or may even get worse) when they lose weight. Also consider that individuals who have NO fat ti........ Read more »

  • November 17, 2009
  • 11:10 AM
  • 752 views

Religious brain, pragmatist brain

by Tom Rees in Epiphenom

Here's a brain-scanning study with a difference. Most such tudies try to work out which parts of the brain are activated when people have religious thoughts. This new one looks at whether religious people have more or fewer nerve cells in different parts of their brains.It's by the team lead by Jordan Grafman that published a study earlier in the year on brain activation. This latest study uses data from the same brain scans.Basically, the deal is that they boiled their subjects' religious belie........ Read more »

Kapogiannis D, Barbey AK, Su M, Krueger F, & Grafman J. (2009) Neuroanatomical variability of religiosity. PloS one, 4(9). PMID: 19784372  

  • November 17, 2009
  • 08:00 AM
  • 847 views

When abandoned farmland passively restores back to tidal wetlands

by Rob Goldstein in Conservation Maven

A new study looks at wetland recovery on formerly reclaimed agricultural lands once farming practices are abandoned and the levees are breached...... Read more »

  • November 17, 2009
  • 07:45 AM
  • 943 views

A Home for the Bugs in Our Appendix

by Tim Sampson in The Times Microbial

The appendix has long been considered a useless, vestigial organ, primarily based on the fact that it can be removed with no visibly harmful effects on the appendectomy recipient and that it is rather susceptible to severe inflammation. In fact, many theories have been proposed for its ancient purpose, ranging from being a place to allow plant matter to ferment to being a locale for crushed bones to be dissolved.

However, recent evidence posits that the appendix plays a crucial role in mainta........ Read more »

Smith HF, Fisher RE, Everett ML, Thomas AD, Bollinger RR, & Parker W. (2009) Comparative anatomy and phylogenetic distribution of the mammalian cecal appendix. Journal of evolutionary biology, 22(10), 1984-99. PMID: 19678866  

  • November 17, 2009
  • 07:26 AM
  • 1,137 views

The Drink Spiking Myth Part 1

by Martin Robbins in The Lay Scientist

Searching the archives of the BBC, Daily Mail or Guardian returns hundreds of results for date rape drugs, such as Rohypnol. Figures from Google Trends show that search volume for 'date rape drugs' or more specific terms like 'Rohypnol' has decreased since 2004, but remains high. Up and down the country, many people are convinced they have been a victim of date rape drugs, their fears fuelled by media scare stories and alarming reports from the usually sensible ACMD.
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So it's a........ Read more »

  • November 17, 2009
  • 07:00 AM
  • 1,373 views

Tamiflu-resistant pandemic influenza H1N1 virus selected by prophylaxis

by Vincent Racaniello in virology blog

The emergence of oseltamivir (Tamiflu)-resistant 2009 H1N1 influenza virus in a Canadian family illustrates the basic concept that viral loads depend on the dose of antiviral drug.... Read more »

Baz M, Abed Y, Papenburg J, Bouhy X, Hamelin ME, & Boivin G. (2009) Emergence of Oseltamivir-Resistant Pandemic H1N1 Virus during Prophylaxis. The New England journal of medicine. PMID: 19907034  

  • November 17, 2009
  • 06:00 AM
  • 422 views

Swine-origin influenza virus risk factors

by iayork in Mystery Rays from Outer Space

My friend Lauredhel, at the Hoyden About Town blog, made an interesting point about risk factors for swine-origin influenza virus (SOIV), and the perception of those risk factors in the press.   The press has made a big deal of the putative link between obesity and risk of severe SOIV.  But, as she pointed out back [...]... Read more »

Justin T Denholm, Claire L Gordon, Paul D Johnson, Saliya S Hewagama, Rhonda L Stuart, Craig Aboltins, Cameron Jeremiah, James Knox, Garry P Lane, Adrian R Tramontana.... (2010) Hospitalised adult patients with pandemic (H1N1) 2009 influenza in Melbourne, Australia. The Medical Journal of Australia, 1-3. info:/

Louie JK, Acosta M, Winter K, Jean C, Gavali S, Schechter R, Vugia D, Harriman K, Matyas B, Glaser CA.... (2009) Factors associated with death or hospitalization due to pandemic 2009 influenza A(H1N1) infection in California. JAMA : the journal of the American Medical Association, 302(17), 1896-902. PMID: 19887665  

  • November 17, 2009
  • 02:57 AM
  • 1,077 views

The somniloquy hypothesis: How the immature brain learns facts

by William Lu in The Quantum Lobe Chronicles

A while back I wrote about the possible adaptive function of somnambulism or sleep-walking. Well...I've come up with yet another hypothesis addressing a behavior falling under the category of parasomnias. Somniloquy or sleep-talking happens during stages of NREM sleep, the time declarative memory (i.e. factual knowledge) is consolidated. This seemingly bizarre behavior typically occurs in childhood and is outgrown by puberty. Presentation can vary from rhythmic nonsense words to long coherent sp........ Read more »

  • November 17, 2009
  • 02:29 AM
  • 2,022 views

Chocolate Craving and the Menstrual Cycle

by Dr Shock in Dr Shock MD PhD


About chocolate craving:

Research suggests that up to 97% of women and 68% of men experience food cravings. Chocolate is the most common one of the craved foods, typically high calorie.
A number of situations have been shown to experimentally increase cravings of chocolate consumption. For example,chocolate abstinence, stress and exposure to chocolate cues increase urges to [...]


Related posts:Chocolate Craving Research suggests that up to 97% of women and...Chocolate Prize Yes I won a pri........ Read more »

  • November 17, 2009
  • 01:06 AM
  • 1,397 views

Joseph Grinnell, Climate Change and the Legacy of the California Thrasher

by Johnny in Ecographica

Adaptive plasticity is a predictor of future reproductive fitness. The ability of an organism to confront ever-shifting environmental attributes with resilience and flexibility is critical to maintaining lineages with the capacity to undergo the morphological and behavioral modifications required for continued survival. Irregardless if such elastic traits are realized through major swings in ontogenic development, or through the advent of novel life-history strategies, the ability of an organism........ Read more »

Joseph Grinnell. (1917) The Niche-Relationships of the California Thrasher. The Auk, 34(4), 427-433. info:/

  • November 16, 2009
  • 10:50 PM
  • 717 views

Prevalence in Place of Plausibility: NCCAM Call for Comments

by Ryan in Evidence-Based Public Health

NCCAM has funded, to the tune of half a million dollars, of study of magnets and carpal tunnel syndrome.... Read more »

Colbert, A., Wahbeh, H., Harling, N., Connelly, E., Schiffke, H., Forsten, C., Gregory, W., Markov, M., Souder, J., Elmer, P.... (2007) Static Magnetic Field Therapy: A Critical Review of Treatment Parameters. Evidence-based Complementary and Alternative Medicine, 6(2), 133-139. DOI: 10.1093/ecam/nem131  

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