Post List

  • November 24, 2010
  • 08:00 AM

YouTube EDU: There is more to YouTube than Justin Bieber’s Video

by Anatoliy Gruzd in Social Media Lab

On October 28th 2010, YouTube subscribers base reached 1 billion, helping to make it the third most popular website in the world. YouTube is a video-sharing website that allows user to upload, share and view videos online. On the main YouTube site, one can find videos on a wide variety of subjects matters from music [...]... Read more »

Colman, D. (2009) Introducing YouTube EDU. Blog post. info:/

  • November 24, 2010
  • 08:00 AM

Schizophrenia and Obesity: Understudied and Underserved

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

Regular readers will recall the importance of mental health problems in the context of obesity. Not only can mental health problems (and often their treatments) promote weight gain but they can also pose significant barriers to weight management.
This is particularly true for individuals with schizophrenia, who are particularly vulnerable to poverty, substance abuse, metabolic syndrome, [...]... Read more »

  • November 24, 2010
  • 08:00 AM

Defeating the deathstalker: How bats snack on scorpions

by Zen Faulkes in NeuroDojo

“Do not be distracted by the pincers when it is the tail that can kill you.” - The Tao of Shinsei

The thing that most people know about scorpions is that they sting. For humans, those stings range from painful to deadly. For a smaller animal, you would expect scorpion stings to be even more deadly and even more to be avoided. But for some bats, scorpions are meals.

Hemprich’s long eared desert bat (Otonycteris hemprichii) doesn’t just make the occasional meal of a scorpion. At some poi........ Read more »

  • November 24, 2010
  • 07:40 AM

Physics of lapping lets cats drink without mess

by Captain Skellett in A Schooner of Science

First up, apologies on the lateness of my post. A whole week has gone past! Oh me! I humbly do beseech you to forgive this old salt and do throw myself upon the deck in penance. Me only defense is that I have just moved from Canberra to Adelaide, and me Schooner does need an [...]... Read more »

Reis, P., Jung, S., Aristoff, J., & Stocker, R. (2010) How Cats Lap: Water Uptake by Felis catus. Science. DOI: 10.1126/science.1195421  

  • November 24, 2010
  • 07:26 AM

Find a home for your research paper, authors, related papers – ask Jane

by Grant Jacobs in Code for life

Jane here is not a woman’s name, but the Journal/Name Author Estimator.*
You take your abstract, plug it into a text field on the Jane web page, and press ‘Find journals’. Alternatively you can find authors or find articles.

Jane will take the words in the abstract and search a database built from Medline to locate the [...]... Read more »

Schuemie, M., & Kors, J. (2008) Jane: suggesting journals, finding experts. Bioinformatics, 24(5), 727-728. DOI: 10.1093/bioinformatics/btn006  

  • November 24, 2010
  • 05:16 AM

The 'smell' of other people's anxiety makes us take more risks

by BPS Research Digest in BPS Research Digest

When people are anxious they release a chemical signal that's detectable on a subconscious level by those close to them. That's the implication of a new study that collected sweat from people as they completed a high-rope obstacle course, and then tested the effect of that sweat on study participants as they played a gambling game.

Katrin Haegler's team placed the sweat samples inside odourless tea bags which were attached with an elastic band to the underside of the gambling participants' nose........ Read more »

Haegler K, Zernecke R, Kleemann AM, Albrecht J, Pollatos O, Brückmann H, & Wiesmann M. (2010) No fear no risk! Human risk behavior is affected by chemosensory anxiety signals. Neuropsychologia, 48(13), 3901-8. PMID: 20875438  

  • November 24, 2010
  • 04:30 AM

Haiti earthquake prompts guidelines for physicians doubling as journalists

by SAGE Insight in SAGE Insight

Reporting by TV docs in Haiti raises ethical issues From Electronic News In the wake of extensive television news reporting in Haiti by physicians, guidelines for physician-journalists in covering disasters are proposed in this article. With a trend for dual roles individuals can find it difficult to balance the duties and responsibilities of their two [...]... Read more »

  • November 24, 2010
  • 03:35 AM

The inevitable social brain

by Razib Khan in Gene Expression

One of the most persistent debates about the process of evolution is whether it exhibits directionality or inevitability. This is not limited to a biological context; Marxist thinkers long promoted a model of long-term social determinism whereby human groups progressed through a sequence of modes of production. Such an assumption is not limited to [...]... Read more »

Susanne Shultz, & Robin Dunbar. (2010) Encephalization is not a universal macroevolutionary phenomenon in mammals but is associated with sociality. PNAS. info:/10.1073/pnas.1005246107

  • November 24, 2010
  • 01:20 AM

Ep 137: Can your environment change your DNA?

by westius in Mr Science Show

Did you know that worker bees and queen bees have exactly the same DNA?

Although they look and behave differently, at birth they have the same genome. Young queen larvae are fed a diet of Royal Jelly, a substance secreted by the worker bees which includes B-complex vitamins, proteins, sugars and fatty acids. It also contains trace minerals, enzymes, antibacterial and antibiotic components, and vitamin C. This concoction not only feeds the queen bees, it turns on and off various genes with wh........ Read more »

  • November 23, 2010
  • 05:27 PM

Koalas Reach For a Six Pack of Palatability

by Michael Gutbrod in A Scientific Nature

Do you ever feel that collective guilt of humanity?  No, no, I am not talking about that time you added that extra scoop of ice cream to your Vermonster or when you “forgot” to pay your taxes.  Its just that little irk of constant destruction of millions of years of evolution of other organisms on [...]... Read more »

  • November 23, 2010
  • 05:19 PM

Spirit Possession in Uganda

by Tom Rees in Epiphenom

Spirit possession is common in Uganda, as it is in many parts of the world - especially impoverished areas. It's a complex syndrome, however, with different spirits have different effects.

In Runyankore, the local language spoken by the Banyankore of Southwestern Uganda, possession by evil spirits is known as Okutembwa and can result in the patient talking in another voice. Possession by the spirits known as Okugwa leads to shaking and falling down. Other spirits can induce a trance-like state......... Read more »

  • November 23, 2010
  • 04:15 PM

Implementing Twitter in a Health Sciences Library

by Laika in Laika's Medliblog

Twitter describes itself as “a service for friends, family, and co-workers to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing?” [2]. The “answers” are equally simple, because the tweet (that what is being “said”) must fit in 140 characters. The tweet does not only [...]... Read more »

Cuddy, C., Graham, J., & Morton-Owens, E. (2010) Implementing Twitter in a Health Sciences Library. Medical Reference Services Quarterly, 29(4), 320-330. DOI: 10.1080/02763869.2010.518915  

  • November 23, 2010
  • 03:40 PM

Drug Development for Cognitive Enhancement

by William Yates, M.D. in Brain Posts

AMPA (α-amino-3-hydroxyl-5-methyl-4-isoxazole-propionate)Cognitive enhancement seeks to improve cognitive function in healthy adults.  Although medicine typically focuses on treatment of medical disorders, a significant effort is underway to explore the mechanism of human attention, concentration, memory and other cognitive functions.  Cognitive enhancement does not replace other methods of cognitive performance.  There is no substitute for repetitive practice and learning conten........ Read more »

  • November 23, 2010
  • 03:34 PM

Land Deal

by Journal Watch Online in Journal Watch Online

Cheaper can be better when it comes to conservation. That’s the message from a new study that examines the most cost-effective way to protect 10% of Argentina’s vast grassland ecosystem. The approach suggests that putting a premium on saving the most biologically-important lands may not always be the most realistic approach.
Global conservation groups often […] Read More »... Read more »

  • November 23, 2010
  • 03:26 PM

Global Warming Warnings Can Backfire

by APS Daily Observations in Daily Observations

From Priuses to solar panels and plastic-bag bans (and even green dating!), it seems that everyone’s going green. The message that our world is in danger if we do not ... Read more »

Feinberg, M. . (2011) Apocalypse Soon? Dire Messages Reduce Belief in Global Warming by Contradicting Just World Beliefs. Psychological science : a journal of the Association for Psychological Science/ APS. info:/

  • November 23, 2010
  • 01:30 PM

Developing a set-back plan in pain management

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

Without a doubt, anyone reading my blog will have tried at some point to change a habit.  Maybe to stop drinking coffee (why?!), start doing more exercise, say no to new projects, eat more fibre – even when a decision to make a change is not done of a New Year’s Eve, chances are that … Read more... Read more »

  • November 23, 2010
  • 01:19 PM

A new squid and an old octopod

by Mike Mike in Cephalove

I always sneer when species are described as “new”. Obviously, few species are anything like “new” – really we mean “newly discovered by science.” Anyways, the big news is that a previously undescribed species of squid was discovered by an IUCN-affiliated scientist from a sample taken in the southern Indian Ocean. A formal description is [...]... Read more »

  • November 23, 2010
  • 01:01 PM

The Many Lives of Smilodon

by Laelaps in Laelaps

On a superficial level, the predatory habits of the saber-toothed cat Smilodon would not seem to be especially mysterious. Traditionally – and incorrectly – restored as a lion with extra-long upper canines, this felid obviously used its fearsome dentition to dispatch the large prey of its Pleistocene heyday.
Of course, things aren’t as simple as that. [...]... Read more »

W.D. Matthew. (1901) Fossil Mammals of the Tertiary of Northeastern Colorado. Memoirs of the American Museum of Natural History, I(VII). info:/

  • November 23, 2010
  • 12:48 PM

Two New Dinosaurs From Utah: Hippodraco and Iguanacolossus

by Brian Switek in Dinosaur Tracking

The parade of new dinosaur species continues this week with the description of two new iguanodont dinosaurs from Utah: Hippodraco and Iguanacolossus. Iguanodont dinosaurs were among the first to be discovered by scientists. The genus Iguanodon itself was described by the English naturalist Gideon Mantell in 1825, although the way he initially envisioned it—as a [...]... Read more »

  • November 23, 2010
  • 12:21 PM

Breaking Biofilms with DNA

by Lab Rat in Lab Rat

I've written about biofilms a couple of times before but it's an interesting enough topic to keep returning to. As a brief summery, biofilms are large collected colonies of bacteria, often surrounded by a sticky mesh of glycoproteins. They are ultra-annoying in the case of infectious bacteria as the bacteria deep in the depths of the biofilm will not be exposed to any antibiotics, the layers of glycoprotein and surrounding bacteria will protect them.Although living within a biofilm contains sig........ Read more »

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