Post List

  • December 7, 2010
  • 08:36 AM

Bites: Lassa fever

by Wellcome Trust in Wellcome Trust Blog

Lassa fever is a common disease in West Africa and endemic in several countries including Sierra Leone and parts of Nigeria. There are 300–500,000 cases of Lassa fever each year, causing about 5000 deaths. Though 80 per cent of infections elicit no symptoms, if they do occur, they can be nasty. Starting with a fever, this [...]... Read more »

Qi, X., Lan, S., Wang, W., Schelde, L., Dong, H., Wallat, G., Ly, H., Liang, Y., & Dong, C. (2010) Cap binding and immune evasion revealed by Lassa nucleoprotein structure. Nature. DOI: 10.1038/nature09605  

  • December 7, 2010
  • 08:28 AM

Sea Lions and Adoption

by Uncharted Atolls in Uncharted Atolls

Alloparental care among animal populations, or parents caring for young who are not directly related, is well known in mammal and bird species; however, the role of alloparental behavior on population demographics is largely unknown.  Does such care actually allow … Continue reading →... Read more »

  • December 7, 2010
  • 07:00 AM

Sedentary Physiology Part 2 – Can Sitting Too Much Kill You?

by Travis Saunders, MSc, CEP in Obesity Panacea

Photo by independentman.

Welcome to our 5-part series delving into the fascinating research being performed in the emerging field of sedentary physiology.  Today in Part 2, we look at some of the health effects associated with excess sedentary behaviour.  For an introduction to the basics of sedentary physiology, check out Part 1.

Over the past few years research has suggested that being sedentary (e.g. sitting or lying down) for extended periods of time has a negative impact on your healt........ Read more »

  • December 7, 2010
  • 05:30 AM

How long is a cell, and why?

by Becky in It Takes 30

A mammalian cell looks blobby and unstructured when you look at it in a tissue culture dish.  The question of “why is it that shape?” tends not to leap to mind, in much the same way as it doesn’t when you look at a fried egg.  And yet, there are real constraints on the shapes [...]... Read more »

  • December 7, 2010
  • 04:04 AM

Trying to create an impression can alter your perception of others

by BPS Research Digest in BPS Research Digest

When we’re socialising and we try to make a certain impression – to appear confident, say, or smart – doing so affects our perception of the person we’re talking to, leading us to think they have less of the same trait that we’re trying to demonstrate in ourselves. Bryan Gibson and Elizabeth Poposki showed this in five experiments involving hundreds of undergrads.

In each experiment participants watched a short film before discussing it with another student (actually a stooge working........ Read more »

Gibson B, & Poposki EM. (2010) How the adoption of impression management goals alters impression formation. Personality and social psychology bulletin, 36(11), 1543-54. PMID: 20921279  

  • December 7, 2010
  • 02:00 AM

US nuclear safety claim is a “dangerous fantasy”

by SAGE Insight in SAGE Insight

How US strategic antimissile defense could be made to work From Bulletin of Atomic Scientists Contrary to a new nuclear strategy adopted by the US government in April 2010, that relies on assumptions that the current missile defense systems will reliably protect the continental United States in the extreme circumstances of nuclear-armed combat, now research [...]... Read more »

  • December 7, 2010
  • 01:37 AM

Gaming used for teaching psychopharmacolgy

by Dr Shock in Dr Shock MD PhD

Teaching psychopharmacology to med students can be very dull. Often tried ways of teaching this subject were through lectures or in smaller groups during seminars. At the University of Minnesota Medical School they tested the use of gaming compared to the ordinary lectures. The study was conducted during a 6-week psychiatry clerkship of third year [...]

Related posts:Gaming is good for you
Teaching With Twitter
Healthy Online Gaming and Browser Gaming
... Read more »

  • December 6, 2010
  • 10:09 PM

Breathe deep?

by PalMD in White Coat Underground

Winter has come to the Great Lakes, no matter what the calendar says.  This morning I walked out the door to take out the trash and the cold took my breath away.   I warmed up the car while I had breakfast, perhaps not the most environmentally friendly practice, but… On my way to work, depending [...]... Read more »

Raghuraj P, Nagarathna R, Nagendra HR, & Telles S. (1997) Pranayama increases grip strength without lateralized effects. Indian journal of physiology and pharmacology, 41(2), 129-33. PMID: 9142556  

Pramanik, T., Sharma, H., Mishra, S., Mishra, A., Prajapati, R., & Singh, S. (2009) Immediate Effect of Slow Pace on Blood Pressure and Heart Rate . The Journal of Alternative and Complementary Medicine, 15(3), 293-295. DOI: 10.1089/acm.2008.0440  

Bhargava R, Gogate MG, & Mascarenhas JF. (1988) Autonomic responses to breath holding and its variations following pranayama. Indian journal of physiology and pharmacology, 32(4), 257-64. PMID: 3215678  

Pratap V, Berrettini WH, & Smith C. (1978) Arterial blood gases in Pranayama practice. Perceptual and motor skills, 46(1), 171-4. PMID: 25412  

  • December 6, 2010
  • 07:08 PM

Pouches, pockets and sacs in the heads, necks and chests of mammals, part VI: guttural pouches, false nostrils and preorbital fossae in horses, tapirs and rhinos

by Darren Naish in Tetrapod Zoology

Back to the series on pouches, pockets and sacs (for previous articles see links below). The previous article finished by looking at the guttural pouches present in the Mongolian gazelle Procapra gutturosa. This links us nicely to the select group of mammals - perissodactyls, hyraxes, bats and rodents - that possess air-filled structures (called guttural pouches) located in the upper respiratory tract, pressed up close to the tympanic region at the back of the skull. In this article, I'm only ........ Read more »

Baptiste KE, Naylor JM, Bailey J, Barber EM, Post K, & Thornhill J. (2000) A function for guttural pouches in the horse. Nature, 403(6768), 382-3. PMID: 10667779  

  • December 6, 2010
  • 06:03 PM

Half the world's population is infected by cats!

by DJ Busby in Astronasty

2 to 3 billion people, about half the world's population, have a brain parasite called Toxoplasma gondii, which causes a disease called toxoplasmosis. ... Read more »

Flegr J. (2007) Effects of toxoplasma on human behavior. Schizophrenia bulletin, 33(3), 757-60. PMID: 17218612  

  • December 6, 2010
  • 05:54 PM

Another Gender Gap Closed by a Well-Timed Bit of Encouragement

by David Berreby in Mind Matters

Last summer I described how psychologists at Rutgers closed the usual gap between higher boys' and lower girls' scores on high-school chemistry tests. When the students used a textbook whose pictures depicted only women scientists, the girls outscored boys. A few days ago, this paper in Science ...Read More
... Read more »

  • December 6, 2010
  • 05:37 PM

Saturn’s rings get spontaneously shaken up

by Kelly Oakes in Basic Space

From far away Saturn’s rings look pretty solid – I’m sure I’m not the only person who, as a child, imagined it’d be possible to skate around the planet on them. In reality, though, they’re made up of millions and … Continue reading →... Read more »

Joseph N. Spitale, & Carolyn C. Porco. (2010) Free Unstable Modes and Massive Bodies in Saturn's Outer B Ring. Astron.J.140:1747-1757,2010. arXiv: 0912.3489v2

  • December 6, 2010
  • 04:58 PM

Let there be Light !... Bioluminescence part 2

by DefectiveBrayne in The Defective Brain

The roles that bioluminescence plays in the lives of organisms today is fascinating. How did this trait evolve? This is a complex question, because bioluminescence is believed to have evolved around 50 different times in different species of animals.
So how do living creatures produce light? Well, the actual question that needs to be asked is how do living creatures produce visible light.

To ... Read more »

  • December 6, 2010
  • 04:58 PM

Let there be Light !... Bioluminescence part 2

by db in Defectivebrain @ FOS

The roles that bioluminescence plays in the lives of organisms today is fascinating. How did this trait evolve? This is a complex question, because bioluminescence is believed to have evolved around 50 different times in different species of animals.
So how do living creatures produce light? Well, the actual question that needs to be asked is how do living creatures produce visible light.

To fully work out the evolutionary roots of bioluminescence, we must look into the very earliest stage........ Read more »

  • December 6, 2010
  • 04:52 PM

Health reporters: between accuracy and deadlines

by Hadas Shema in Information Culture

"What's new, fresh, exciting, different, what people are going to say 'Gee, is that right'? (Newspaper medical reporter, Leask et al., p. 4)Being a health journalist isn't easy. There's the deadline, there's the expert who still hasn't called you back, the editor who wants a nice picture to go with the report...The authors of "Media coverage of health issues and how to work more effectively with journalists" interviewed sixteen Australian reporters, editors and producers in print, radio and TV ........ Read more »

Nelkin, D. (1995) Government Printing Office. Nelkin, D. (1995). Selling science: How the press covers science and technology (rev. ed.). New York: Freeman. info:/

  • December 6, 2010
  • 02:55 PM

Rich Folks Bad At Reading Emotions

by APS Daily Observations in Daily Observations

The rich seem to have it all — fancy cars, nice homes, luxurious vacations. Although the educated and wealthy (who constitute the upper-classes in the United States) may seem to outperform ... Read more »

Kraus, M.W., Côté, S., & Keltner, D. (2010) Social class, contextualism, and empathic accuracy. Psychological science : a journal of the Association for Psychological Science/ APS, 21(11). PMID: 20974714  

  • December 6, 2010
  • 01:41 PM

Economics and Inequality

by Julian Friedland in Business Ethics Memo

Cornell Economics and Management Professor Robert R. Frank draws attention here to the disconnect between economic research and ethical thinking, specifically on the notion of growing US inequality:"Economists who say we should relegate questions about inequality to philosophers often advocate policies, like tax cuts for the wealthy, that increase inequality substantially. That greater inequality causes real harm is beyond doubt."It's refreshing to hear this criticism from an economics and ........ Read more »

Julian Friedland. (2005) The Utility of Offshoring: A Rawlsian Critique. Electronic Journal of Business Ethics and Organization Studies, 10(1), 9-13. info:/

  • December 6, 2010
  • 01:14 PM

new paper from my lab: IRiS

by Giovanni Marco Dall'Olio in BioinfoBlog!

The latest paper published by people in my lab describes a method to reconstruct past Recombination Events: Melé M, Javed A, Pybus M, Calafell F, Parida L, Bertranpetit J, & The Genographic Consortium (2010). A New Method to Reconstruct Recombination … Continue reading →

No related posts.

Related posts brought to you by Yet Another Related Posts Plugin.... Read more »

Melé M, Javed A, Pybus M, Calafell F, Parida L, Bertranpetit J, & The Genographic Consortium. (2010) A New Method to Reconstruct Recombination Events at a Genomic Scale. PLoS computational biology, 6(11). PMID: 21124860  

  • December 6, 2010
  • 12:20 PM

Vaccinating the Billion-Brain Parasite

by Rob Mitchum in ScienceLife

If a parasite infected the brains of 2 to 3 billion people, up to one-half of the world’s population, one would probably consider it a pretty serious public health emergency. But such a situation already exists, with the parasite Toxoplasma gondii, the cause of the disease toxoplasmosis. The parasite is the most common infectious cause [...]... Read more »

Hutson SL, Mui E, Kinsley K, Witola WH, Behnke MS, El Bissati K, Muench SP, Rohrman B, Liu SR, Wollmann R.... (2010) T. gondii RP Promoters . PloS one, 5(11). PMID: 21124925  

  • December 6, 2010
  • 12:00 PM

A Role for Prions in Alzheimer’s Disease?

by S. Marvin Friedman in Small Things Considered

Three-dimensional configuration of a prion protein. Left = normal folding. Right = protein with the disease-associated amyloid folding. Source. What if there were a connection between the diseases caused by prions and Alzheimer’s? If that were the case, we'd expect a substantial increase in our understanding of both. Indeed, as we will see below, there is...... Read more »

Meyer-Luehmann M, Coomaraswamy J, Bolmont T, Kaeser S, Schaefer C, Kilger E, Neuenschwander A, Abramowski D, Frey P, Jaton AL.... (2006) Exogenous induction of cerebral beta-amyloidogenesis is governed by agent and host. Science (New York, N.Y.), 313(5794), 1781-4. PMID: 16990547  

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