Post List

  • February 21, 2010
  • 05:19 AM

MolBio Picks of the Week

by Lucas in thoughtomics

This week, I’m featuring the MolBio Picks of the Week, which are normally brought to you by Alejandro over at MolBio Research Highlights. MolBio Picks of the Week brings you the best biology posts from I’ll give a brief description of all selected post and urge you to check out the posts yourselves, and [...]... Read more »

  • February 20, 2010
  • 04:50 PM

Supply Chain Manager of the Future

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

J. Mangan and M. Christopher aim to bridge the gap between current offerings of knowledge providers (eg. universities), current capabilities of users (eg. students and managers) and buyers (aka. companies).... Read more »

Mangan, J., & Christopher, M. (2005) Management development and the supply chain manager of the future. The International Journal of Logistics Management, 16(2), 178-191. DOI: 10.1108/09574090510634494  

  • February 20, 2010
  • 03:40 PM

How come Intelligence, religion, and fertility are linked?

by Tom Rees in Epiphenom

Here's a new study looking at the connection between religion, fertility, and IQ at a national level. We know from previous studies that countries where people are, on average, more religious also tend to have higher average fertility and lower average IQ.The problem is that we also know that countries that have lower average IQ also have higher fertility. So teasing out the two factors is not obvious.This is what Charlie Reeve (University of North Carolina Charlotte) has investigated.What he fo........ Read more »

  • February 20, 2010
  • 02:43 PM

How Enticing Viruses Manipulate Animals

by Johnny in Ecographica

...undermining the normal life-processes of the host’s cells, viruses are detriments to health; however, more than just illness can remain in the wake of the virus’s biological sabotage. Sometimes included with the observable symptoms of an ailment are other characteristics of viral infection that serve to promote the spread of disease. The genes that such a virus splices into a host cell’s mainframe can code for phenotypes that manipulate unwitting vectors into exposing them........ Read more »

  • February 20, 2010
  • 02:37 PM

Feasibility study of a plasma assay for variant CJD-Part 2

by Brian Appleby in CJD Blogger

This post will look at the study conducted by Guntz and colleagues.  The authors examined the practical application of a plasma assay for the detection of variant Creutzfeldt-Jakob disease (vCJD) applied to all blood donations.   The study intends to study three Blood Transfusion Establishments in France, where 60,000 blood samples will be analyzed over a period of 9-12 months.  The current study only reports on the Strasbourg, Alsace site.  The Amorfix EP-vCJD blood s........ Read more »

  • February 20, 2010
  • 02:10 PM

presenting the amazing evolving automatons

by Greg Fish in weird things

A while back I made a post about the use of robots to simulate evolutionary behaviors by giving them a kind of free reign and copying the programming of the machines most successful in their tasks into the rest of the test group to emulate natural selection. Now, the lead author of that study, Dario [...]... Read more »

  • February 20, 2010
  • 02:07 PM

Improving Longevity with Calorie Reduction in Humans?

by mc in begin to dig (b2d)

ResearchBlogging.orgLots of studies on rats and a few other mamals have seemed to show the benefit of caloric reduction and longevity - mainly it seems in the way that CR impacts core temperature (a bit lower is better), fasting insulin levels, and oxidative stress - that free radical stuff. Testing CR and humans is going to be trickier. So researchers a few years ago looked at simply the effects of CR on these very markers that have been hypothesised to have an effect on longevity. What their w........ Read more »

  • February 20, 2010
  • 11:32 AM

Risk Analysis of Critical Infrastructures

by Jan Husdal in

The vulnerability of critical infrastructures is a recurring theme on this blog, and today’s article has been on my mind for a while. What I like about Critical infrastructures at risk: A need for a new conceptual approach and extended analytical tool by Wolfgang Kröger is how it couples critical infrastructures, showing how one is [ ... ]... Read more »

  • February 20, 2010
  • 06:58 AM

Exercise Adherence among Older Adults: Challenges and Strategies

by PhD Blogger in Exercise Psychology

This short paper gives a good review of the challenges facing researchers in the area of exercise adherence. Researchers aim to encourage people to exercise or take part in physical activity at a level sufficient to enable them to enjoy the associated health benefits. However as Dishman (1994) reports within six months of starting an exercise program the drop-out rate can be as high as 50%. My current research project involves an intervention which attempts to utilize Social Comparison Theory to........ Read more »

  • February 19, 2010
  • 11:25 PM

The Latest on Mitochondrial Uncoupling

by Reason in Fight Aging!

I have written on the topic of mitochondrial uncoupling in the past, so back into the archives we go for a quick summary: Mitochondria are the power plants of your cells: they toil to turn food into ATP, used as fuel by the cell. In recent years, the eye of the research community has turned towards the process of mitochondrial uncoupling, whereby the processing of food is uncoupled from the generation of ATP. The result is less ATP and more energy in the form of heat - this is a part of the temp........ Read more »

  • February 19, 2010
  • 10:57 PM

Risperidone Placebo Mash-Up

by Ultimo167 in Strong Silent Types

The atypical use of powerful antipsychotic agents like risperidone should, according to Rattehalli et al. (2010), invoke much needed research. According to the authors, we still have so much to learn about cause and effect, when it comes to risperidone and drugs of a similar ilk. ... Read more »

Rattehalli RD, Jayaram MB, & Smith M. (2010) Risperidone versus placebo for schizophrenia. Cochrane database of systematic reviews (Online). PMID: 20091611  

Rattehalli, RD, Jayaram, MB, & Smith, M. (2010) Risperidone versus placebo for schizophrenia. The Cochrane Library. info:/10.1002/14651858.CD006918.pub2

  • February 19, 2010
  • 05:19 PM

Island biogeography: State and case of spider diversity in Macaronesia

by Jeremy in Voltage Gate

Some of the first organisms found on a newly risen or recently destroyed island are spiders. On mainlands, spiderlings of smaller species weave a tiny drag chute, perched atop the highest point in their immediate area – the leaf of an herb or the very tip of a blooming meadow grass – and let the breeze, even the slightest one, carry them away. Most only travel short distances, remaining in the ecosystem in which they were born, but some are spun upwards in varying winds, and swept into jet s........ Read more »

  • February 19, 2010
  • 02:14 PM

Blame Mom for High School Beer Binges: The Power of a Self-Fulfilling Prophecy

by Polly Palumbo in Momma Data

Do you think your teenager will drink alcohol? On a scale from 1 to 10, how likely do you think it your child will drink alcohol regularly as a teenager?Moms who underestimate the chances may actually prevent kids from drinking.  That's good news, believing your kid won't drink can discourage your teen from drinking.  But the opposite is also true... Moms who overestimate their kid's risk can end up promoting more drinking. We're talking self-fulfilling prophecy here. That's fancy talk........ Read more »

  • February 19, 2010
  • 01:29 PM

The Plight of the Great White

by Christie Wilcox in Observations of a Nerd

It's really hard for me to write about sharks. It makes me angry. Unlike with so many species under the threat of extinction, when I try to talk to people about sharks, the message just doesn't get through. Show them a movie about Taji and they get infuriated. Have them look into the eyes of a tiger cub and they are overwhelmed with emotion. Maybe it's that sharks aren't warm and fuzzy enough - maybe if they had hair, people wouldn't be so leery of them. Maybe it's too many childhood memories of........ Read more »

Price, T., Hurst, G., & Wedell, N. (2010) Polyandry Prevents Extinction. Current Biology. DOI: 10.1016/j.cub.2010.01.050  

  • February 19, 2010
  • 01:25 PM

The Breakfast of Champions!

by Travis Saunders, MSc in Obesity Panacea

It is often suggested that breakfast consumption is key facet of a healthful diet, especially when attempting to lose weight. However, while breakfast may be ‘the most important meal of the day’ the composition of that breakfast must not be overlooked.

Particularly, diets high in fiber are known to be associated with better control of body weight as well as glucose homeostasis. For example, a prior meta-analysis suggests that consumption of greater than 14 g/d of dietary fiber for........ Read more »

  • February 19, 2010
  • 01:00 PM

Obese children are at high risk of death before middle age

by Helen Jaques in In Sickness and In Health

A study published in the New England Journal of Medicine has found that children who were obese were almost twice as likely to die before 55 years of age than those who were not obese. Moreover, children whose weight was in the top 25% out of nearly 5,000 kids were 2.3 times more likely to [...]... Read more »

Franks, P., Hanson, R., Knowler, W., Sievers, M., Bennett, P., & Looker, H. (2010) Childhood Obesity, Other Cardiovascular Risk Factors, and Premature Death. New England Journal of Medicine, 362(6), 485-493. DOI: 10.1056/NEJMoa0904130  

  • February 19, 2010
  • 12:03 PM

Drunk on Alcohol?

by Neuroskeptic in Neuroskeptic

When you drink alcohol and get drunk, are you getting drunk on alcohol?Well, obviously, you might think, and so did I. But it turns out that some people claim that the alcohol (ethanol) in drinks isn't the only thing responsible for their effects - they say that acetaldehyde may be important, perhaps even more so.South Korean researchers Kim et al report that it's acetaldehyde, rather than ethanol, which explains alcohol's immediate effects on cognitive and motor skills. During the metabolism of........ Read more »

  • February 19, 2010
  • 10:20 AM

Worms with the Guts to Play Games of Chance: Stochastic Effects and Binary Output in Gene Expression

by Promega Corporation in Promega Connections

How do you explain the phenomenon of incomplete penetrance, which happens when individuals carrying an allele for a given phenotype don’t always express the phenotype? For instance, individuals carrying the same mutation associated with a genetic disease do not always develop that disease.
Sometimes environment influences gene expression and plays a role, or other genetic differences [...]... Read more »

Raj, A., Rifkin, S., Andersen, E., & van Oudenaarden, A. (2010) Variability in gene expression underlies incomplete penetrance. Nature, 463(7283), 913-918. DOI: 10.1038/nature08781  

Raj A, van den Bogaard P, Rifkin SA, van Oudenaarden A, & Tyagi S. (2008) Imaging individual mRNA molecules using multiple singly labeled probes. Nature methods, 5(10), 877-9. PMID: 18806792  

  • February 19, 2010
  • 09:57 AM

Large seeds take the advantage in stressful conditions

by Katie Kline in EcoTone

The coconut tree’s large seed is
better adapted to drought and
shade than smaller seeds.

It is generally believed that, when competing for the same resources, large plant seeds beat out small seeds regardless of the growing conditions. But according to researchers at the Smithsonian Tropical Research Institute, large seeds actually have the advantage in stressful conditions—such as [...]

... Read more »

  • February 19, 2010
  • 08:57 AM

Weekly Dose of Cute: Serval Kitten

by Christie Wilcox in Observations of a Nerd

See? Cartoon cute.It may be easy to put a kitten up as the weekly dose of cute, but look at him - he may be the cutest kitten ever. Cuter, perhaps, than even that little ocelot kitten, which, until now, has earned the title of cutest kitten ever. I mean, look at him! His eyes are cartoon adorable. I didn't know cat eyes could actually look like Puss N Boots! How could I resist showcasing this unbelievable exhibition of pure cuteness?

Anyhow, this six-week-old cutest kitten competitor was born ........ Read more »

Price, T., Hurst, G., & Wedell, N. (2010) Polyandry Prevents Extinction. Current Biology. DOI: 10.1016/j.cub.2010.01.050  

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