Post List

  • July 25, 2011
  • 01:21 PM

Singing Mice Top The Charts

by Jim Ryan in Wild Mammals

Maybe singing mice (Scotinomys teguina) wouldn’t make it to Hollywood in America’s Got Talent, but they put on a good show. Males of these diminutive Neotropical rodents sing by producing a series of trills when attracting mates (Figure 1). Like some birds, singing mice take short breaths between notes, and can modulate the frequency by changing the size of their mouth opening (audio file). Females are attracted to the “love songs” of certain males. Bret Pasch at ........ Read more »

  • July 25, 2011
  • 01:04 PM

Urban agriculture - where's the evidence?

by Megan Carter in Verdant Nation

One potential way to combat the obesity epidemic and environmental degradation all in the same go is urban agriculture. I’ve been thinking a lot about this lately, wondering if it is feasible in climates like New York City and Toronto, if it can actually generate enough food to continuously feed a city, and of course, also improve diet quality at a population-level.Urban agriculture refers to agricultural practices (usually intensive) within and around cities that compete for resources such as........ Read more »

Pearson, L., Pearson, L., & Pearson, C. (2010) Sustainable urban agriculture: stocktake and opportunities. International Journal of Agricultural Sustainability, 8(1), 7-19. DOI: 10.3763/ijas.2009.0468  

  • July 25, 2011
  • 01:00 PM

Now That's Using Your Head!

by Moselio Schaechter in Small Things Considered

by Merry Youle

Something bizarre can be seen in TEMs of a Caulobacter crescentus phage, φCbK. This was first reported in a paper published back in 1972 (see the image to the right). In most respects, φCbK is your typical ho-hum siphovirus with an elongated head (60 nm diameter, 200 nm long) sporting a 290 nm long non-contractile tail with the usual tail fibers. But even with the limited imaging techniques available in 1972 these researchers could see that this phage has a single long filame........ Read more »

Guerrero-Ferreira RC, Viollier PH, Ely B, Poindexter JS, Georgieva M, Jensen GJ, & Wright ER. (2011) Alternative mechanism for bacteriophage adsorption to the motile bacterium Caulobacter crescentus. Proceedings of the National Academy of Sciences of the United States of America, 108(24), 9963-8. PMID: 21613567  

  • July 25, 2011
  • 12:56 PM

On when it feels good to be under-estimated

by BPS Research Digest in BPS Research Digest

Imagine that you're a media mogul and you over-hear people estimating how much of the newspaper market you control. Would it be preferable, do you think, to hear an under-estimate or an over-estimate? Xianchi Dai at the Chinese University of Hong Kong and his colleagues have addressed this very question, producing some findings that they say have practical social lessons for us all.

Based on classic findings in psychology showing that most of us like to see ourselves in a positive light, the r........ Read more »

Shen, L., Hsee, C., Zhang, J., & Dai, X. (2011) The art and science of guessing. Emotion. DOI: 10.1037/a0022899  

  • July 25, 2011
  • 12:00 PM

The myth of the recreational workplace

by David Bradley in Sciencetext

Google has decided to wind down its “labs”, the section of its operations from whence the experimental, developmental applications, such as GMail, Buzz, Wave and, of course, Google+ emerged. They are planning to do it gently, and some labs such as those for GMail and Calendar will persist, but this could be the end of [...]Post from: David Bradley's Sciencetext Tech TalkThe myth of the recreational workplace
... Read more »

Torkild Thanem, Sara Värlander, & Stephen Cummings. (2011) Open space . Int. J. Work Organisation and Emotion, 4(1), 78-98. info:/

  • July 25, 2011
  • 10:00 AM

A Trilobite, Dead In Its Tracks

by Laelaps in Laelaps

Fossil trackways are simultaneously wonderful and frustrating things. They are preserved bits of prehistoric behavior, but, unless an animal actually dies and becomes preserved in its tracks, identifying exactly what creature left the traces can be fraught with difficulty. (The types of prehistoric environments which preserved tracks often destroyed body fossils, so, when the two [...]... Read more »

Fatka, O., & Szabad, M. (2011) Burrowing trilobite caught in the act. Paläontologische Zeitschrift. DOI: 10.1007/s12542-011-0102-4  

  • July 25, 2011
  • 09:35 AM

Breaking a protein in order to fix it

by Lucas in thoughtomics

Randomness often does more harm than good. Take the phrase: “nothing in biology makes sense except in the light of evolution.” I replaced a random word in this sentence with a random, different word, and got: “nothing in biology makes sense except in doctorishness light of evolution.” Not only did this random replacement turn Dobzhanksy’s [...]

... Read more »

  • July 25, 2011
  • 08:35 AM

Animal Hoarders: Pathways and Profile

by William Yates, M.D. in Brain Posts

This week I will have four blog posts on the topic of hoarding.  This post will focus on the hoarding of animals, followed by posts on mental health disorders in hoarders, a review of manuscript looking a genetic factors in hoarding and then finishing with a review of pharmacotherapy treatment of hoarders.Hoarding occurs in a variety of forms.  Some individuals with hoarding collect newspapers, clothes or other specific items such as dolls.One group of hoarders appear vulnerable to col........ Read more »

  • July 25, 2011
  • 08:00 AM

I will give you a reason to fear the night

by Zen Faulkes in NeuroDojo

The lion wasn’t roaring.

It was making sounds, all right, while I was sitting next to the lion enclosure in the Melbourne Zoo. Metal fences separated the lions and me when one started vocalizing.

The lion wasn’t growling, either. It’s hard to describe the sound it was making. It was a raspy, open mouthed sound, almost like someone breathing hard after exercise. But the lion was just walking slowly, not in any way winded.

But that sound had so much power.

I think I almost stopped breath........ Read more »

  • July 25, 2011
  • 07:02 AM

Mock Jury Research: How do we make it more useful?

by Doug Keene in The Jury Room

The literature on mock juries has been criticized for years for use of convenience samples (i.e., college students). An upcoming issue of the journal Behavioral Sciences and the Law is devoted to examining mock jury research and assessing where we have been and where we need to go. The authors argue that since we are trying [...]

Related posts:Why do the African American mock jurors all sit together?
Should you try online jury research?
The “Nerd Defense”: Redux
... Read more »

Wiener RL, Krauss DA, & Lieberman JD. (2011) Mock Jury Research: Where Do We Go from Here?. Behavioral sciences . PMID: 21706517  

  • July 25, 2011
  • 07:00 AM

July 25, 2011

by Erin Campbell in HighMag Blog

They invade...they proliferate...they destroy. It sounds like the tagline for a terrible summer blockbuster starring Samuel L. Jackson and an animated sidekick voiced by one of the Kardashians, but it’s the tagline of something far more sinister and real. I’m talking about tumors. Today’s image is from a paper showing how a membrane protein called caveolin-1 can support tumor invasion. Caveolin-1 is a membrane protein and a major component of caveolae, which are small membrane invagi........ Read more »

Goetz, J., Minguet, S., Navarro-Lérida, I., Lazcano, J., Samaniego, R., Calvo, E., Tello, M., Osteso-Ibáñez, T., Pellinen, T., Echarri, A.... (2011) Biomechanical Remodeling of the Microenvironment by Stromal Caveolin-1 Favors Tumor Invasion and Metastasis. Cell, 146(1), 148-163. DOI: 10.1016/j.cell.2011.05.040  

  • July 25, 2011
  • 02:52 AM

Kid’s Behaviour is much worse than it used to be – Discuss!

by Stuart Farrimond in Dr Stu's Science Blog

Ok class, now quieten down. Bryony – how many times do I have to tell you? Mobile phones away! Today we are going to be looking at an important topic: Childhood behaviour. In a moment, we’re going to try to get a serious answer to a controversial question. Oh Jimmy, please put that cigarette lighter … Continue reading »... Read more »

Steer, A. (2009) A review of behaviour standards and practices in our schools. Learning Behaviour: Lessons Leaned. info:other/

Achenbach, T., Dumenci, L., & Rescorla, L. (2003) Are American Children's Problems Still Getting Worse? A 23-Year Comparison. Journal of Abnormal Child Psychology, 31(1), 1-11. DOI: 10.1023/A:1021700430364  

  • July 25, 2011
  • 01:48 AM

Social Media Use By US Hospitals

by Dr Shock in Dr Shock MD PhD

Buffer From a structured review of websites of 1800 US hospitals focusing on their Facebook, Twitter and Youtube accounts: 21% used social media More likely to be large, urban hospitals run by nonprofit, nongovernment organisations More likely to participate in graduate medical education Used social media to target a general audience (97%) Provide content about [...]

No related posts.... Read more »

Thaker SI, Nowacki AS, Mehta NB, & Edwards AR. (2011) How U.S. hospitals use social media. Annals of internal medicine, 154(10), 707-8. PMID: 21576547  

  • July 25, 2011
  • 12:58 AM

The Quantum Telegraph

by Graham Morehead in A Mad Hemorrhage

Description of a superluminal communication device... Read more »

  • July 24, 2011
  • 09:48 PM

Female Dolphins Sponge Their Way to Success

by Paul Norris in AnimalWise

After 27 years, scientists finally appear to have unraveled most of the mystery surrounding a very enterprising group of (primarily) female bottlenose dolphins (tursiops aduncus) who live in Shark Bay, off the coast of Western Australia. The story opens in … Continue reading →... Read more »

  • July 24, 2011
  • 03:15 PM

Using the Chronic Pain Acceptance Questionnaire

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

Over the past few months I’ve been using the Chronic Pain Acceptance Questionnaire (CPAQ-8) as part of a battery of questionnaires used at intake and outcome measures.  Along with the CPAQ-8, we use the Tampa Scale for Kinesiophobia, the Depression Anxiety Stress Scale, the Pain Anxiety Symptoms Scale, the Pain  Catastrophising Scale, Pain Self Efficacy … Read more... Read more »

  • July 24, 2011
  • 01:30 PM

Bacteria use slingshots to slice through slime

by aatishb in Empirical Zeal

Bacteria have busy social lives. You might get a glimpse of this the next time you take a shower. The slimy discolored patches that form on bath tiles and on the inside of shower curtains are the mega-cities of the bacterial world. If you zoom into these patches of grime, you’ll find bustling microcosms that are teeming with life at a different scale... Continue reading →... Read more »

Jin F, Conrad JC, Gibiansky ML, & Wong GC. (2011) Bacteria use type-IV pili to slingshot on surfaces. Proceedings of the National Academy of Sciences of the United States of America. PMID: 21768344  

Gibiansky ML, Conrad JC, Jin F, Gordon VD, Motto DA, Mathewson MA, Stopka WG, Zelasko DC, Shrout JD, & Wong GC. (2010) Bacteria use type IV pili to walk upright and detach from surfaces. Science (New York, N.Y.), 330(6001), 197. PMID: 20929769  

  • July 24, 2011
  • 01:01 PM

Blogs/Twitter in Medical Publications: Too Unreliable to Quote or A Change Waiting to Happen?

by Pranab Chatterjee in Scepticemia

Just a few days ago, I was co-authoring a submission for a journal on the issue of handling social media with care and needed to cite a bunch of blogs and non-traditional online sources of information (including Tweets and Friendfeed … Continue reading →... Read more »

Mandavilli A. (2011) Peer review: Trial by Twitter. Nature, 469(7330), 286-7. PMID: 21248816  

  • July 24, 2011
  • 11:59 AM

Seeing double in galaxy mergers

by Emma in we are all in the gutter

How do galaxies grow? One of the most common ways seems to be by merging with other nearby galaxies (a hot research topic that Rita’s talked about in more detail). Seems simple enough, but to really understand how this happens you need to look at a large number of them, at various stages of the [...]... Read more »

R.C. McGurk, C.E. Max, D.J. Rosario, G.A. Shields, K.L. Smith, S.A. Wright. (2011) Spatially-Resolved Spectroscopy of SDSS J0952 2552: a confirmed Dual AGN. Submitted to ApJL. DOI: arXiv:1107.2651  

  • July 24, 2011
  • 06:30 AM

Is There a Placebo Effect – Part II

by Rogue Medic in Rogue Medic

If Daniel Moerman, PhD is correct and the subjective improvement is what is important, then we should pay attention to the following chart of subjective improvement. Subjective improvement is what the patient thinks is real, even if reality does not agree.

When we go to a magic show and see a woman being cut in half, we are experiencing subjective reality. The objective reality is that the woman was never really cut in half, even though our subjective experience is that she has been cut in ha........ Read more »

Wechsler, M., Kelley, J., Boyd, I., Dutile, S., Marigowda, G., Kirsch, I., Israel, E., & Kaptchuk, T. (2011) Active Albuterol or Placebo, Sham Acupuncture, or No Intervention in Asthma. New England Journal of Medicine, 365(2), 119-126. DOI: 10.1056/NEJMoa1103319  

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