Post List

  • January 3, 2011
  • 07:27 AM

A nanoscale biofuel cell for self-powered nanotechnology devices

by Michael Berger in nanowerk

Nanotechnology researchers working on self-powered nanodevices - nanoscale systems that scavenge energy from their surrounding environment - have been experimenting with various power sources ranging from piezoelectric systems to sound. However, the most abundant energy available in biosystems is chemical and biochemical energy, such as glucose. Researchers in China have now reported an nanowire-based biofuel cell based on a single proton conductive polymer nanowire for converting chemical energ........ Read more »

Pan, C., Wu, H., Wang, C., Wang, B., Zhang, L., Cheng, Z., Hu, P., Pan, W., Zhou, Z., Yang, X.... (2008) Nanowire-Based High-Performance “Micro Fuel Cells”: One Nanowire, One Fuel Cell. Advanced Materials, 20(9), 1644-1648. DOI: 10.1002/adma.200700515  

  • January 3, 2011
  • 07:04 AM

The secret life of fonts

by Rita Handrich in The Jury Room

The new book, Typography for Lawyers, has been getting a lot of attention for encouraging more attractive font in legal communications. The book is getting rave reviews from attorneys who realize that part of persuasion is visual presentation. And we think Matthew Butterick (the author) is onto something. Perhaps he’s been reading social sciences research along [...]

Related posts:Secret Weapon: The Chairs in the Jury Box?
But they did it on purpose!
You’re not too old for a story (but yo........ Read more »

Juni S, & Gross JS. (2008) Emotional and persuasive perception of fonts. Perceptual and motor skills, 106(1), 35-42. PMID: 18459353  

  • January 3, 2011
  • 07:00 AM

Epidemiology of the Russian flu, 1889-1890

by Michelle Ziegler in Contagions

In an effort to extend the data set for influenza pandemic planning, Valleron, Cori, Meurisse, Carrat, and Boëlle gathered data from 15 countries in the northern hemisphere that experienced the ‘Russian flu’ pandemic in the winter of 1889-1890. The pandemic was first recorded in St. Petersburg, Russia. Within a mere four months it had spread [...]... Read more »

Valleron AJ, Cori A, Valtat S, Meurisse S, Carrat F, & Boëlle PY. (2010) Transmissibility and geographic spread of the 1889 influenza pandemic. Proceedings of the National Academy of Sciences of the United States of America, 107(19), 8778-81. PMID: 20421481  

  • January 3, 2011
  • 07:00 AM

January 3, 2011

by Erin Campbell in HighMag Blog

Cancer is a loaded word for many biologists—it is made up of thousands of different diseases when you realize how many different paths can be taken in order for cells to lead to cancer. There are so many biologists investigating cancer, and sometimes there are discoveries that shake up our understanding. These shake-ups are key to making the big steps towards a cure that patients, survivors, and victims all hope for.... Read more »

Wang, R., Chadalavada, K., Wilshire, J., Kowalik, U., Hovinga, K., Geber, A., Fligelman, B., Leversha, M., Brennan, C., & Tabar, V. (2010) Glioblastoma stem-like cells give rise to tumour endothelium. Nature, 468(7325), 829-833. DOI: 10.1038/nature09624  

Ricci-Vitiani, L., Pallini, R., Biffoni, M., Todaro, M., Invernici, G., Cenci, T., Maira, G., Parati, E., Stassi, G., Larocca, L.... (2010) Tumour vascularization via endothelial differentiation of glioblastoma stem-like cells. Nature, 468(7325), 824-828. DOI: 10.1038/nature09557  

  • January 3, 2011
  • 06:41 AM

Pain Medication Can Compromise Your Flu Shot

by Hayzell in

If you’re thinking of getting a flu shot, you may want to consider the impact of your pain medication on its effectivity. Professor Richard P. Phipps from the University of Rochester states, “research shows that pain relievers interfere with the effect of the vaccine.”
Many of the pain medicines examined by Dr. Phillips are anti-inflammatory, for [...]... Read more »

  • January 3, 2011
  • 04:00 AM

Vitamins Slow Rate of Brain Shrinkage in Elderly

by Steve Parker, M.D. in Advanced Mediterranean Diet

A cocktail of three common B vitamins slowed the rate of brain shrinkage over two years  in elderly patients with mild cognitive impairment, according to researchers at the University of Oxford.
As a hospitalist, I see 10 or 20 brain scans every week.  A healthy 40-year-old brain nicely fills out the allotted space in the skull.  [...]... Read more »

  • January 3, 2011
  • 02:09 AM

What is a good bodyguard?

by Dr Shock in Dr Shock MD PhD

Learned something new about field dependence and field independence. These are individual differences in learning style. There is a difference in how people perceive discrete items within a surrounding field. People at the one end of the extreme where perception was strongly dominated by the prevailing field were designated “field-dependent.” Field-dependent learners see the [...]

Related posts:Forest plots: trying to see the wood and the trees
Individual Differences in Empathy
P........ Read more »

Glicksohn, J., & Rechtman, S. (2010) Profiling the profilers: Who is watching our backs?. Personality and Individual Differences. DOI: 10.1016/j.paid.2010.12.010  

  • January 2, 2011
  • 11:24 PM

Psycasm - Porn: A force of Mutual Benefits

by Rift in Psycasm

And now for something completely different (or depending on your history folder, something exceedingly familiar)...I'm going to begin this post with a copy of an Abstract from a paper entitled 'The pleasure is momentary…the expense damnable? The influence of pornography on rape and sexual assault' (Ferguson & Hartley, 2009) in Aggression and Violent behaviour.The effects of p; (read more)

Source: Rift - Discipline: Psychology... Read more »

  • January 2, 2011
  • 05:57 PM

Computers and the Homeless

by FrauTech in Design. Build. Play.

Everyone knows there's a big gap in worldwide between the have and the have nots in one area: internet access. A new study looked at that gap where you would expect to see it in an obvious way. They looked at computer and internet use in homeless populations in the Philadelphia area. The results are somewhat surprising. Right now 58% of households have some kind of computer and 76% of these households have access to the internet. Of the homeless population they reported an average homeless ........ Read more »

  • January 2, 2011
  • 03:00 PM

Novelty, exercise and diet – the cornerstones of neural and cognitive plasticity

by Lorimer Moseley in BodyInMind

I am sitting in the local cafe. I am a Wednesday regular – the muffins are superb and they give you a timer for your pot of tea.  I have been reading a great paper that reviews neural and cognitive plasticity, with a focus on what we should all do to optimise our chances of [...]... Read more »

Pamela M. Greenwood and Raja Parasuraman. (2010) Neuronal and cognitive plasticity: a neurocognitive framework for ameliorating cognitive aging. Frontiers in Aging Neuroscience, 2(150). info:/

  • January 2, 2011
  • 01:00 PM

The knock-out punch: Zinc Finger Nucleases

by Kevin Bonham in Food Matters

Like so many things, the problem is best explained with an analogy. Imagine a car parked in a dark garage (if you're a mechanic by hobby or trade, make it a computer). Someone hands you keys to the car, a flashlight and a piece of metal that she says belongs to a car similar to the one in the garage. Now, your task is to figure out what that the piece of metal is, and what it's for. Replace car with organism, piece of metal with gene and make the flashlight a whole lot smaller, and you have an i........ Read more »

Sander, J., Dahlborg, E., Goodwin, M., Cade, L., Zhang, F., Cifuentes, D., Curtin, S., Blackburn, J., Thibodeau-Beganny, S., Qi, Y.... (2010) Selection-free zinc-finger-nuclease engineering by context-dependent assembly (CoDA). Nature Methods, 8(1), 67-69. DOI: 10.1038/nmeth.1542  

Doyon, Y., Vo, T., Mendel, M., Greenberg, S., Wang, J., Xia, D., Miller, J., Urnov, F., Gregory, P., & Holmes, M. (2010) Enhancing zinc-finger-nuclease activity with improved obligate heterodimeric architectures. Nature Methods, 8(1), 74-79. DOI: 10.1038/nmeth.1539  

  • January 2, 2011
  • 12:00 PM

The Language Tree

by Lucas in thoughtomics

In the 17th century, the Japanese shoguns decided that the only Westerners allowed to trade with the Japanese empire, would be the Dutch. By doing so they not only opened up their country to sugar, cotton and silk, they also unintentionally exposed the Japanese language to Dutch words and terminology. Many Dutch naval terms and words [...]... Read more »

Nelson-Sathi S, List JM, Geisler H, Fangerau H, Gray RD, Martin W, & Dagan T. (2010) Networks uncover hidden lexical borrowing in Indo-European language evolution. Proceedings. Biological sciences / The Royal Society. PMID: 21106583  

  • January 2, 2011
  • 11:57 AM

Is it a Bird? Is it a Plane? No...its Superantigens

by db in Defectivebrain @ FOS

The human body is a great niche for bacteria. Nutrients run through our blood vessels, and soak our cells. Within the gut, on the skin, and in the nasal tract, many bacteria make a home. And for the most part, we tolerate their presence. Some bacteria are even useful to us. However, there are some bacteria who are not friendly tenants. These bacteria try to invade the body. However, this in itself is no easy task. The body is defended by the immune system, a complex and organized collection........ Read more »

  • January 2, 2011
  • 11:57 AM

Is it a Bird? Is it a Plane? No...its Superantigens

by DefectiveBrayne in The Defective Brain

The human body is a great niche for bacteria. Nutrients run through our blood vessels, and soak our cells. Within the gut, on the skin, and in the nasal tract, many bacteria make a home. And for the most part, we tolerate their presence. Some bacteria are even useful to us. However, there are some bacteria who are not friendly tenants. These bacteria try to invade the body. However, this in ... Read more »

  • January 2, 2011
  • 11:46 AM

How aspirin might prevent colorectal cancer?

by Debajyoti Datta in Medicine...Life

I must confess that I am fascinated by the potential of aspirin in colorectal carcinoma prevention. It is worthwhile to look into this in some detail. Before we delve into the mechanism of colorectal carcinoma prevention by aspirin we must examine how colorectal carcinoma develops.... Read more »

  • January 2, 2011
  • 09:12 AM

How Gay Men Talk About Depression

by Ultimo167 in Strong Silent Types

40 gay men interviewed about how they 'construct' depression revealed several co-existing tensions, notably between individual agency and medical orthodoxy, hegemonic masculinity. The findings of this study by Korner et al. (2010) were used to inform general practitioners on how to improve their practice with gay men who might be depressed. ... Read more »

  • January 2, 2011
  • 07:00 AM

Strong Bones Equals Weak Heart

by Shaheen Lakhan in Brain Blogger

Adequate calcium intake is an important nutritional factor for skeletal health. Calcium (when taken with adequate Vitamin D) prevents bone loss and decreases the risk of fractures and associated morbidity and mortality. Most adults require 1000 mg of calcium daily. (Children and postmenopausal women require slightly more.) For decades, physicians and pharmacists have been advocating [...]... Read more »

Bolland MJ, Barber PA, Doughty RN, Mason B, Horne A, Ames R, Gamble GD, Grey A, & Reid IR. (2008) Vascular events in healthy older women receiving calcium supplementation: randomised controlled trial. BMJ (Clinical research ed.), 336(7638), 262-6. PMID: 18198394  

Hsia J, Heiss G, Ren H, Allison M, Dolan NC, Greenland P, Heckbert SR, Johnson KC, Manson JE, Sidney S.... (2007) Calcium/vitamin D supplementation and cardiovascular events. Circulation, 115(7), 846-54. PMID: 17309935  

Ross AC, Manson JE, Abrams SA, Aloia JF, Brannon PM, Clinton SK, Durazo-Arvizu RA, Gallagher JC, Gallo RL, Jones G.... (2010) The 2011 Report on Dietary Reference Intakes for Calcium and Vitamin D from the Institute of Medicine: What Clinicians Need to Know. The Journal of clinical endocrinology and metabolism. PMID: 21118827  

Shah SM, Carey IM, Harris T, DeWilde S, & Cook DG. (2010) Calcium supplementation, cardiovascular disease and mortality in older women. Pharmacoepidemiology and drug safety, 19(1), 59-64. PMID: 19757413  

  • January 2, 2011
  • 05:00 AM

Light the Way ~ Rnai Diagnostics

by Linda in Oz Blog No. 159 To warm up the mind:
It's possible to actually see the brain light up. In 2007, Harvard researchers stuck fluorescent proteins in neurons. Check out the palette of the 90 different "colours" and how the brain naturally paints itself with them. ... Read more »

McCaffrey, A., Meuse, L., Pham, T., Conklin, D., Hannon, G., & Kay, M. (2002) Gene expression: RNA interference in adult mice. Nature, 418(6893), 38-39. DOI: 10.1038/418038a  

Saleh, M., van Rij, R., Hekele, A., Gillis, A., Foley, E., O'Farrell, P., & Andino, R. (2006) The endocytic pathway mediates cell entry of dsRNA to induce RNAi silencing. Nature Cell Biology, 8(8), 793-802. DOI: 10.1038/ncb1439  

Kittler R, Putz G, Pelletier L, Poser I, Heninger AK, Drechsel D, Fischer S, Konstantinova I, Habermann B, Grabner H.... (2004) An endoribonuclease-prepared siRNA screen in human cells identifies genes essential for cell division. Nature, 432(7020), 1036-40. PMID: 15616564  

  • January 2, 2011
  • 12:42 AM

Designing a Lyme disease vaccine to attack the tick vector

by Microbe Fan in Spirochetes Unwound

Conventional vaccines target the surface components or secreted toxins of pathogens.  Erol Fikrig's group at Yale University has been exploring an unconventional approach towards developing a vaccine for Lyme disease, which is caused by a tick-borne pathogen.  Their recent work, published in the November issue of PLoS Pathogens, demonstrated partial success in protecting laboratory mice by immunization with a protein found in the saliva of the Ixodes tick vector.Ixodes ticks spend seve........ Read more »

  • January 2, 2011
  • 12:09 AM

Preparing for unexpected opportunities in Borneo

by Noam Ross in Noam Ross

Source: dinesh_valke on FlickrConservation Letters has an article about a situation in Borneo that illustrates how sudden, unpredictable events in ecology are not always bad.  In the past year, the island's forests have undergone an ecosystem-wide event known as "general flowering," where trees of many species produce seeds and fruit in massive amounts.  These events occur rarely (the last was 12 years ago), and in the years in between few seeds are produced and few new trees........ Read more »

Kettle, C., Ghazoul, J., Ashton, P., Cannon, C., Chong, L., Diway, B., Faridah, E., Harrison, R., Hector, A., Hollingsworth, P.... (2010) Seeing the fruit for the trees in Borneo. Conservation Letters. DOI: 10.1111/j.1755-263X.2010.00161.x  

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