Post List

  • January 5, 2011
  • 07:21 PM

Rheology within the concept of aether

by Andrew Sun in On The Road

N/A (1886). Dilatancy Nature, 33 (853), 429-430 DOI: 10.1038/033429b0 I encountered the word “ether” which apparently did not mean the organic reagent when I was reading a short comment on O. Reynolds’s lecture on dilatancy published on Nature in 1886. … Continue reading →... Read more »

N/A. (1886) Dilatancy. Nature, 33(853), 429-430. DOI: 10.1038/033429b0  

  • January 5, 2011
  • 06:52 PM

Recursion: what is it, who has it, and how did it evolve?

by Hannah Little in A Replicated Typo 2.0

Hello Hello and Happy New Year,
So a new article appeared on the internet late last year by Coolidge, Overmann and Wynn (2010) (hereafter referred to as COW because it makes me smile). It’s a really short sweet little paper and you should read it as recursion is perhaps one of the hottest topics around language evolution. . . . → Read More: Recursion: what is it, who has it, and how did it evolve?... Read more »

Coolidge, F., Overmann, K., & Wynn, T. (2010) Recursion: what is it, who has it, and how did it evolve?. Wiley Interdisciplinary Reviews: Cognitive Science. DOI: 10.1002/wcs.131  

  • January 5, 2011
  • 06:37 PM

Slipping into psychosis: living in the prodrome (part 1)

by gregdowney in Neuroanthropology

How might it feel to sense your own sanity eroding? Would you realize it? How might you sift the phantoms from physical reality, daydream from delusion, the irrefutable from the implausible? Or, as author Rachel Aviv puts it,
When does a strong idea take on a pathological flavor? How does a metaphysical crisis morph into a medical one? At what point does our interpretation of the world become so fixed that it no longer matters “what almost everyone else believes” [part of the definition o........ Read more »

Addington, J., Cadenhead, K., Cannon, T., Cornblatt, B., McGlashan, T., Perkins, D., Seidman, L., Tsuang, M., Walker, E., Woods, S.... (2007) North American Prodrome Longitudinal Study: A Collaborative Multisite Approach to Prodromal Schizophrenia Research. Schizophrenia Bulletin, 33(3), 665-672. DOI: 10.1093/schbul/sbl075  

Corcoran, C., Davidson, L., Sills-Shahar, R., Nickou, C., Malaspina, D., Miller, T., & McGlashan, T. (2003) A Qualitative Research Study of the Evolution of Symptoms in Individuals Identified as Prodromal to Psychosis. Psychiatric Quarterly, 74(4), 313-332. DOI: 10.1023/A:1026083309607  

  • January 5, 2011
  • 04:12 PM

Beautiful People Get More Attention

by APS Daily Observations in Daily Observations

Beautiful people get all of the breaks. They are generally seen more positively than others. Are they seen more accurately? A new study published in Psychological Science finds that people ... Read more »

  • January 5, 2011
  • 03:00 PM

The elusive x-factor

by Lorimer Moseley in BodyInMind

What is it about some clinicians? They just seem to get great results by doing almost nothing! Could that be true? What is that elusive x-factor? Well, fortunately for us, Laura von Bertouch has agreed to tell us about a paper she does read that covers exactly that. Here is what Laura had to say: [...]... Read more »

Dole JA, Sinatra GM. (1998) Reconceptualising change in the cognitive construction of knowledge. Educational Psychologist, 109-128. info:/

  • January 5, 2011
  • 01:42 PM

How Physics Changes With F(R) Gravity.

by Joseph Smidt in The Eternal Universe

Einstein's general relativity rules the roost when it comes to gravity, but soon modifications to standard GR may detected on universal scales with new cosmological data. Fortunately, a realistic modified version of gravity, known as f(R) gravity, makes practical predictions that may be verified in the coming decades.

A recent paper by Motohashi, Starobinsky, and Yokoyama gives a good synopsis

... Read more »

Hayato Motohashi, Alexei A. Starobinsky, & Jun'ichi Yokoyama. (2011) f(R) Gravity and its Cosmological Implications. to be published. arXiv: 1101.0716v1

  • January 5, 2011
  • 12:54 PM

Archaeologists prove the secret to a successful date is knowing what is on the menu

by Alun in AlunSalt

Looking from the outside, one of the most underrated areas of archaeological research at the moment is the Archaeology of the Pacific. It’s possible to make exciting discoveries anywhere in the world. In Polynesia though, it’s hard not to. The reason is that Polynesian archaeology has an odd contradiction. There’s been some excellent research done... Read more »

Petchey, F., Spriggs, M., Leach, F., Seed, M., Sand, C., Pietrusewsky, M., & Anderson, K. (2011) Testing the human factor: radiocarbon dating the first peoples of the South Pacific. Journal of Archaeological Science, 38(1), 29-44. DOI: 10.1016/j.jas.2010.07.029  

  • January 5, 2011
  • 11:15 AM

"Bad-sad-bad" and other responses to death.

by SeriousMonkeyBusiness in This is Serious Monkey Business

Death--every philosopher has a take on it. But what is the take on death from a primatological perspective?... Read more »

Anderson J.R. (2010) A primatological perspective on death. American Journal of Primatology. PMID: 21197638  

  • January 5, 2011
  • 10:58 AM

When adaptation doesn’t happen

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

“Evolutionary biology has been enriched by considering not only how adaptation happens, but also why it often does not happen, or at least does not happen as we might naively expect.” - Douglas Futuyma (2010) In 2005, a group of … Continue reading →... Read more »

  • January 5, 2011
  • 10:09 AM

Heinrich's digital Kentrosaurus: the SJG stegosaur special, part II

by Darren Naish in Tetrapod Zoology

If you read the previous article on stegosaurs you'll know that a collection of papers devoted to examination of this fascinating group appeared last year (2010) in a special issue of Swiss Journal of Geosciences (SJG from hereon). These papers resulted from a meeting held at the Sauriermuseum Aathal, Switzerland, in June 2009 (Billon-Bruyat & Marty 2010). Last time round, we looked at the papers on stegosaur systematics and diversity. Here, we begin a look at the remaining papers: they cove........ Read more »

Mallison, H. (2010) CAD assessment of the posture and range of motion of Kentrosaurus aethiopicus Henning 1915. Swiss Journal of Geosciences, 211-233. info:/

  • January 5, 2011
  • 08:45 AM

Tip of the Week: SKIPPY predicting variants w/ splicing affects

by Jennifer in OpenHelix

More and more disease-causing mutations are being identified in exonic splicing regulatory sequences (ESRs). These disease effects  can result from ESR mutations that cause exon skipping in functionally diverse genes. In today’s tip I’d like to introduce you to a tool designed to detect exon variants that modulate splicing. The tool is named SKIPPY and has been developed and is maintained by groups in the Genomic Functional Analysis research section of the NHGRI.
At the end of the ........ Read more »

  • January 5, 2011
  • 08:00 AM

Greater Attentional Cost of Standing With Obesity

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

Regular readers may recall previous posts on the finding that obese individuals tend to spend less time on their feet than lean people - a trait that is apparently not corrected by weight loss.
In a study from the Laboratoire TIMC-IMAG in La Tronche, France, just published in PLoS, Jean-Baptiste Mignardot and colleagues show that obese [...]... Read more »

  • January 5, 2011
  • 07:59 AM

Definition of Risk

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

What is risk anyway?
I read this paper already some time ago. It is very important to have a clear definition of the terms used in research. But from my previous experience I know that also in business a clear understanding of the different aspects of risks is important to stay consistent.

Case Study
At a client I was involved in a company wide risk assessment. The participating middle managers were required to list and assess relevant risks using an Excel sheet. There were predefined cate........ Read more »

Kaplan, S., & Garrick, B. (1981) On The Quantitative Definition of Risk. Risk Analysis, 1(1), 11-27. DOI: 10.1111/j.1539-6924.1981.tb01350.x  

  • January 5, 2011
  • 07:22 AM

Maize mystery solved

by Jeremy in Agricultural Biodiversity Weblog

Joost van Heerwarden and co-workers have solved a problem in our understanding of maize domestication. Previous work had shown that maize originated from annual called teosinte, Zea mays subspecies parviglumis, a wild species that occurs in low and mid-elevation regions of south-west Mexico. This made the Rio Balsas area, where parviglumis occurs, the most likely [...]... Read more »

van Heerwaarden J, Doebley J, Briggs WH, Glaubitz JC, Goodman MM, de Jesus Sanchez Gonzalez J, & Ross-Ibarra J. (2010) Genetic signals of origin, spread, and introgression in a large sample of maize landraces. Proceedings of the National Academy of Sciences of the United States of America. PMID: 21189301  

Matsuoka Y, Vigouroux Y, Goodman MM, Sanchez G J, Buckler E, & Doebley J. (2002) A single domestication for maize shown by multilocus microsatellite genotyping. Proceedings of the National Academy of Sciences of the United States of America, 99(9), 6080-4. PMID: 11983901  

Piperno DR, Ranere AJ, Holst I, Iriarte J, & Dickau R. (2009) Starch grain and phytolith evidence for early ninth millennium B.P. maize from the Central Balsas River Valley, Mexico. Proceedings of the National Academy of Sciences of the United States of America, 106(13), 5019-24. PMID: 19307570  

  • January 5, 2011
  • 07:07 AM

Vaporizing the harm from smoking cannabis

by Euan in Dr Euan Lawson| Doctor Writer

. This short report looks at a cannabis vaporizer; a device that heats the cannabis to release cannibinoids in a mist without smoke and other irritants. The Youtube video shows a vaporizer from the Vapor Brothers – as used in the study. They took 22 frequent cannabis users who weren’t interested in stopping their use. [...]... Read more »

  • January 5, 2011
  • 05:42 AM

Decline in North American bumble bees

by KerstinH in The Viable Blog

While the honeybees were fine there was little interest in pollinators and pollination in general. People just took it for granted. But with the ongoing news about CCD and concerns about declining bee populations worldwide the interest in wild bees as natural pollinators and “backup” for honeybee pollination has risen sharply. It turned out, however, [...]... Read more »

Cameron, S., Lozier, J., Strange, J., Koch, J., Cordes, N., Solter, L., & Griswold, T. (2011) Patterns of widespread decline in North American bumble bees. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1014743108  

  • January 5, 2011
  • 04:54 AM

Profiling hair color by DNA

by Razib Khan in Gene Expression

Hair Color of Unknown Offenders Is No Longer a Secret: The research findings demonstrate that on the basis of DNA information it is possible to determine with an accuracy of more than 90 percent whether a person has red hair, with a similarly high accuracy whether a person has black hair, and with an accuracy [...]... Read more »

Branicki W, Liu F, van Duijn K, Draus-Barini J, Pośpiech E, Walsh S, Kupiec T, Wojas-Pelc A, & Kayser M. (2011) Model-based prediction of human hair color using DNA variants. Human genetics. PMID: 21197618  

  • January 5, 2011
  • 04:50 AM

A Grand Unified Theory of Autism?

by Neuroskeptic in Neuroskeptic

A physicist famously wanted to find the grand unifying equation behind the laws of nature, in a form that you could put on a t-shirt.Neuroscientists Kamilla and Henry Markram have proposed a grand unifying theory of autism, and the key to it is in this picture. I wouldn't want to be seen wearing it quite yet, but if the theory pans out, I'm sure we could come up with a more torso-friendly diagram.So what does this mean? The Markrams call their idea the Intense World Theory. Essentially, they pro........ Read more »

  • January 5, 2011
  • 04:13 AM

Why are we less willing to help the victims of man-made disaster?

by BPS Research Digest in BPS Research Digest

Women at an Ethiopian refugee camp
People are more willing to donate money to help victims of natural, as opposed to man-made, disasters. Hanna Zagefka and her team found this is because people generally perceive victims caught up in man-made disasters to be more responsible for their predicament and to be less active in helping themselves, as compared with with victims of natural disasters. The findings have implications for the future design of fund-raising campaigns run by charities and NGO........ Read more »

Zagefka, H., Noor, M., Brown, R., de Moura, G., & Hopthrow, T. (2010) Donating to disaster victims: Responses to natural and humanly caused events. European Journal of Social Psychology. DOI: 10.1002/ejsp.781  

  • January 5, 2011
  • 03:00 AM

Intestinal stem cell regeneration

by Erin Campbell in the Node

Cancer and stem cells are two very loaded biology concepts, and more frequently can be found in the same discussion.  Stem cells within tumors are able to divide and provide the various differentiated cell types that a tumor requires to thrive.  And, identifying how a normal stem cell divides, or stops dividing, can help further [...]... Read more »

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