Post List

  • August 5, 2010
  • 08:24 AM
  • 1,107 views

Foldit: Innovative Biology for Gamers

by GrrlScientist in This Scientific Life

Guessing how a protein will fold up based on its DNA sequence is often too difficult for even the most advanced computer programs. Now biochemists and computer scientists at my alma mater, the University of Washington, have collaborated to create Foldit, an online computer game where computer players do the work. ... Read more »

Cooper, S., Khatib, F., Treuille, A., Barbero, J., Lee, J., Beenen, M., Leaver-Fay, A., Baker, D., Popović, Z., & players, F. (2010) Predicting protein structures with a multiplayer online game. Nature, 466(7307), 756-760. DOI: 10.1038/nature09304  

  • August 5, 2010
  • 08:00 AM
  • 1,658 views

Do Fitness Tax Credits Only Make The Rich Richer?

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

Yesterday, University of Alberta’s John Spence (on faculty of the annual Canadian Obesity Network’s Student Boot Camp) together with Valerie Carson (former Bootcamper) and coworkers, published a most interesting article in BMC Public Health.
The paper looks at the uptake and effectiveness of the Children’s Fitness Tax Credit (CFTC) on Canadians. This tax credit was introduced [...]... Read more »

  • August 5, 2010
  • 08:00 AM
  • 1,025 views

Eyes on the edge: How archerfish see in and out of water

by Zen Faulkes in NeuroDojo

Archerfish rock.

These little sharpshooters are famous for being able to spit water at an insect, not on the surface of the water, but a good ways above it. And these insects are often camouflaged to boot. Then, they have to catch the insect when it hits the water before other fish get it, or it gets swept away by any water currents.

In other words, archerfish have to calculate, perform precision maneuvers, and anticipate the outcomes of their actions.

This paper, though, looks mainly at the ........ Read more »

  • August 5, 2010
  • 06:56 AM
  • 772 views

A Practical Approach to MIQE for the Bench Scientist

by aviwener in Canadian Biotechnologist 2.0

In a groundbreaking review published in February 2009, Bustin et al bemoaned the lack of standardization in Quantitative Real-Time PCR (qPCR) experimentation and data analysis. In their critique the authors cite the use of diverse reagents, protocols, analysis methods and reporting formats which has negatively impacted on the acceptance of qPCR as a robust quantitative [...]... Read more »

Bustin SA, Benes V, Garson JA, Hellemans J, Huggett J, Kubista M, Mueller R, Nolan T, Pfaffl MW, Shipley GL.... (2009) The MIQE guidelines: minimum information for publication of quantitative real-time PCR experiments. Clinical chemistry, 55(4), 611-22. PMID: 19246619  

  • August 5, 2010
  • 06:14 AM
  • 1,739 views

The good old days, revisited

by iayork in Mystery Rays from Outer Space

As a general remark, the Measles were mild, while on the contrary, the Mumps were almost invariably severe, and frequently attended with metastasis to the testicles. Some cases of the latter were attended with enormous swelling and high inflammatory excitement, requiring the lancet and other antiphlogistic remedies. … As a local application to the scrotum none appeared to afford [...]... Read more »

Quinlisk, M. (2010) Mumps Control Today. The Journal of Infectious Diseases, 2147483647. DOI: 10.1086/655395  

  • August 5, 2010
  • 03:38 AM
  • 714 views

1 in 200 men direct descendants of Genghis Khan

by Razib Khan in Gene Expression

In 2003 a groundbreaking historical genetics paper reported results which indicated that a substantial proportion of men in the world are direct line descendants of Genghis Khan. By direct line, I mean that they carry Y chromosomes which seem to have come down from an individual who lived approximately 1,000 years ago. As Y chromosomes [...]... Read more »

ZERJAL, T. (2003) The Genetic Legacy of the Mongols. The American Journal of Human Genetics, 72(3), 717-721. DOI: 10.1086/367774  

  • August 5, 2010
  • 12:16 AM
  • 1,547 views

Language and inflation

by Ingrid Piller in Language on the Move

Some Language-on-the-Movers based here in Sydney had the opportunity to attend Professor Masaki Oda’s lecture about the current state of the English language in Japan yesterday. With major Japanese companies announcing a switch to English as their official company language … Continue reading →... Read more »

  • August 5, 2010
  • 12:00 AM
  • 1,018 views

Close encounters with outer shells

by Joerg Heber in All That Matters

If you look at the image of an atom in a text book, it looks rather quiet and peaceful. There is a nucleus in the center made from a number of protons and neutrons. Around the nucleus the electrons typically are shown to orbit the core like planets around the sun. The reality, however, is far more complicated. First of all, the electrons don’t look like small planets, but are smeared out in complex shapes known as orbitals. The energy states of the different orbitals correspond to the electron........ Read more »

Goulielmakis, E., Loh, Z., Wirth, A., Santra, R., Rohringer, N., Yakovlev, V., Zherebtsov, S., Pfeifer, T., Azzeer, A., Kling, M.... (2010) Real-time observation of valence electron motion. Nature, 466(7307), 739-743. DOI: 10.1038/nature09212  

  • August 4, 2010
  • 10:55 PM
  • 554 views

A Clinically Useful Fluorescence Microscope for $240 USD

by Michael Long in Phased

Andrew Miller (Rice University, United States) and coworkers have developed a remarkably cheap microscope with both the portability and imaging capabilites required for routine slide-based medical diagnostics, an extremely useful development for health professionals in remote regions of the world. This news feature was written on August 4, 2010.... Read more »

Miller, A. R., Davis, G. L., Oden, Z. M., Razavi, M. R., Fateh, A., Ghazanfari, M., Abdolrahimi, F., Poorazar, S., Sakhaie, F., Olsen, R. J.... (2010) Portable, Battery-Operated, Low-Cost, Bright Field and Fluorescence Microscope. PLoS ONE, 5(8). DOI: 10.1371/journal.pone.0011890  

  • August 4, 2010
  • 09:51 PM
  • 765 views

Pharmacy Customers Perception of Complementary and Alternative Medicine in Pharmacies

by Darcy Cowan in Skepticon

Going through the papers cluttering my inbox I found this survey of Australian pharmacy customers relating to their use of CAM and their impressions of how pharmacists should approach the subject. Regular readers of Sciblogs may remember a kerfuffle earlier in the year regarding the sale of homeopathic remedies in pharmacies, I and others were [...]... Read more »

Braun, L., Tiralongo, E., Wilkinson, J., Spitzer, O., Bailey, M., Poole, S., & Dooley, M. (2010) Perceptions, use and attitudes of pharmacy customers on complementary medicines and pharmacy practice. BMC Complementary and Alternative Medicine, 10(1), 38. DOI: 10.1186/1472-6882-10-38  

  • August 4, 2010
  • 09:25 PM
  • 537 views

Don’t Bite: The Defenestration of Cookie

by Jason Goldman in Child's Play

III. Whither the Cookie Task? WARNING: What you are about to read may contain graphic statistical content.  Side effects may include: contagious yawning, inappropriate arousal, and / or spontaneous combustion, depending on how you like your math cooked… darling. Psychologists often think about the cookie task as a test of cognitive control, and in keeping [...]... Read more »

Eigsti, I., Zayas, V., Mischel, W., Shoda, Y., Ayduk, O., Dadlani, M., Davidson, M., Aber, J., & Casey, B. (2006) Predicting Cognitive Control From Preschool to Late Adolescence and Young Adulthood. Psychological Science, 17(6), 478-484. DOI: 10.1111/j.1467-9280.2006.01732.x  

Mischel, W., Shoda, Y., & Rodriguez, M. (1989) Delay of gratification in children. Science, 244(4907), 933-938. DOI: 10.1126/science.2658056  

  • August 4, 2010
  • 06:05 PM
  • 1,107 views

More on maternal spiders

by Africa Gomez in BugBlog

I posted recently on maternal behaviour in spiders, but I when I came across this I knew another post was in order. The photo above shows what is is most likely a Gnaphosidae spider with her eggs in her nest on the 19th of July. The spider has wrapped herself inside a silken nest she has made for her eggs, and she will remain there until they hatch and the spiderlings disperse. This behaviour, called 'egg guarding' is present in many spiders. Why would a spider do this? Do the eggs benefit ........ Read more »

Pollard, S.D. (1984) Egg guarding by Clubiona cambridgei (Araneae, Clubionidae) against conspecific predators. Journal of Arachnology, 323-326. info:/

Nyffeler, M., Breene, R., Dean, D., & Sterling, W. (1990) Spiders as predators of arthropod eggs. Journal of Applied Entomology, 109(1-5), 490-501. DOI: 10.1111/j.1439-0418.1990.tb00080.x  

  • August 4, 2010
  • 05:12 PM
  • 776 views

The Palin Effect

by Bob O'Hara in This Scientific Life

As attentive readers of the New York Times are aware, science bloggers are all about being noisy and shouting at people we don’t like. As most of us have liberal leanings, that means we can be obnoxious towards people on the political right. And this week we’ve got great fodder, in the shape of a [...]... Read more »

  • August 4, 2010
  • 03:51 PM
  • 1,157 views

The genetics of dystonia in CRPS – not what we were expecting

by Lorimer Moseley in BodyInMind

The genetics of dystonia in CRPS - genes don't seem to predispose or cause dystonia in CRPS. This doesn’t mean that there is no genetic contribution, but it does mean that the genes that underpin familial dystonia are not important in CRPS-dystonia.... Read more »

[1] Fahn S. (1988) Concept and classification of dystonia. Advances in neurology, 1-8. PMID: 3041755  

[2] van Rijn MA, Marinus J, Putter H, & van Hilten JJ. (2007) Onset and progression of dystonia in complex regional pain syndrome. Pain, 130(3), 287-93. PMID: 17499924  

  • August 4, 2010
  • 03:44 PM
  • 894 views

Real Time fMRI

by Neuroskeptic in Neuroskeptic

Wouldn't it be cool if you could measure brain activation with fMRI... right as it happens?You could lie there in the scanner and watch your brain light up. Then you could watch your brain light up some more in response to seeing your brain light up, and watch it light up even more upon seeing your brain light up in response to seeing itself light up... like putting your brain between two mirrors and getting an infinite tunnel of activations.Ok, that would probably get boring, eventually. But th........ Read more »

Hinds, O., Ghosh, S., Thompson, T., Yoo, J., Whitfield-Gabrieli, S., Triantafyllou, C., & Gabrieli, J. (2010) Computing moment to moment BOLD activation for real-time neurofeedback. NeuroImage. DOI: 10.1016/j.neuroimage.2010.07.060  

  • August 4, 2010
  • 03:30 PM
  • 978 views

The Genetics of Being Lean: Thyrotropin Releasing Hormone Receptor

by William Yates, M.D. in Brain Posts

Research addressing genetic factors in obesity grows each year.  However, there has been limited attention to the other side of the coin, the genetics of thinness and a related body composition variable lean body mass.  Some might say, why bother, isn't being thin a good thing?Thinness does confer some advantages with reduced risk of hypertension, diabetes, osteoarthritis and some types of cancer.  However, there are some disorders (i.e. osteoporosis) increased in those underweigh........ Read more »

Liu XG, Tan LJ, Lei SF, Liu YJ, Shen H, Wang L, Yan H, Guo YF, Xiong DH, Chen XD.... (2009) Genome-wide association and replication studies identified TRHR as an important gene for lean body mass. American journal of human genetics, 84(3), 418-23. PMID: 19268274  

  • August 4, 2010
  • 03:14 PM
  • 774 views

Sensitivity and Specialization in the Occipitatemporal Region: Differences in Dyslexic Children

by Livia in Reading and Word Recognition Research

Accessibility: Advanced/intermediate



Early research on the role of the occipitotemporal region in reading often focused on characterizing a single region in the mid fusiform, commonly called the visual word form area. Since then, focus has gradually...

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... Read more »

van der Mark S, Bucher K, Maurer U, Schulz E, Brem S, Buckelmüller J, Kronbichler M, Loenneker T, Klaver P, Martin E.... (2009) Children with dyslexia lack multiple specializations along the visual word-form (VWF) system. NeuroImage, 47(4), 1940-9. PMID: 19446640  

  • August 4, 2010
  • 03:00 PM
  • 1,203 views

SHARK WEEK!

by EcoPhysioMichelle in C6-H12-O6

In case you hadn't heard, it's Shark Week, and Michelle is here to teach you a little bit of shark physiology. In the interest of full disclosure, sharks are not my forte. I am a tetrapod girl, but I know just enough about sharks to know that they have a really, really cool electrosensory system that helps them catch prey.... Read more »

Bullock, T. (1982) Electroreception. Annual Review of Neuroscience, 5(1), 121-170. DOI: 10.1146/annurev.ne.05.030182.001005  

Montgomery, J., Coombs, S., & Halstead, M. (1995) Biology of the mechanosensory lateral line in fishes. Reviews in Fish Biology and Fisheries, 5(4), 399-416. DOI: 10.1007/BF01103813  

  • August 4, 2010
  • 01:32 PM
  • 843 views

Y Chromsome V: The Ampliconic Sequence Class

by Kele in Kele's Science Blog

If you recall from Y Chromosome II, the ampliconic class displays extraordinarily high sequence similarity to other sequences of the same region, has higher gene density than the X-degenerate class, and its genes are found in multiple copies and are expressed almost exclusively in the testes. The ampliconic class just doesn’t show the signs of [...]... Read more »

Skaletsky H, Kuroda-Kawaguchi T, Minx PJ, Cordum HS, Hillier L, Brown LG, Repping S, Pyntikova T, Ali J, Bieri T.... (2003) The male-specific region of the human Y chromosome is a mosaic of discrete sequence classes. Nature, 423(6942), 825-37. PMID: 12815422  

  • August 4, 2010
  • 01:30 PM
  • 682 views

The Scientist and the Anarchist - Part I

by Eric Michael Johnson in The Primate Diaries

The latest stop in the #PDEx tour is being hosted by Jennifer Ouellette at her wonderful blog Cocktail Party Physics.If the city is an ecosystem, Huxley embodies the phrase “survival of the fittest.” Lanky and high-strung, estranged from his father at an early age, and the youngest of six children, Huxley was primed from birth to view life as a struggle. Born on May 4, 1825 above a butcher’s shop on London’s outskirts, Huxley was the son of a poor schoolteacher and a member of England........ Read more »

Adrian Desmond. (1997) Huxley:. From Devil's Disciple to Evolution's High Priest. info:other/

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