Post List

  • August 15, 2010
  • 06:47 PM

Airplane Headache

by The Neurocritic in The Neurocritic

Cartoon Reenactment of JetBlue Flight Attendant’s Dramatic ExitNo, the term "airplane headache" does not refer to disgruntled JetBlue flight attendant Steven Slater (or to being a passenger on that flight). Instead, it refers to a recently characterized type of headache that occurs during take-off and landing (Atkonson & Lee, 2004). The pain appears to be unique to plane travel and not associated with other conditions. Neurological exam and brain imaging results in all published cases (n=........ Read more »

  • August 15, 2010
  • 06:47 PM

Is Your Brain Autistic?

by Neuroskeptic in Neuroskeptic

There's been a lot of buzz and some scepticism about theNew brain scan to diagnose autismHere's a quick overview. Autism is believed to be a disorder of brain development. If so, it should be possible to diagnose it based on a brain scan. Unfortunately, it's not. You can't tell, from a scan, whether someone has autism or not. Not even if you're a world expert.There are reports of various differences between autistic and non-autistic brains - a bit smaller here, a bit bigger there - but there's a........ Read more »

Ecker C, Marquand A, Mourão-Miranda J, Johnston P, Daly EM, Brammer MJ, Maltezos S, Murphy CM, Robertson D, Williams SC.... (2010) Describing the brain in autism in five dimensions--magnetic resonance imaging-assisted diagnosis of autism spectrum disorder using a multiparameter classification approach. The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(32), 10612-23. PMID: 20702694  

  • August 15, 2010
  • 06:31 PM

A new take on necking (in giraffes, that is)

by DeLene Beeland in Wild Muse

Y’all menfolk will do some wacky stuff for sex, that is fo’ sure. (I get to say “y’all” with authority because I grew up in the South. Honest.) And so it goes in the animal kingdom too. New research published in the Journal of Zoology throws its weight behind a synthesis of the “necks for [...]... Read more »

  • August 15, 2010
  • 04:33 PM

The complexity of sinuous channel deposits in three dimensions

by Zoltan Sylvester in Hindered Settling

The beauty of the shapes and patterns created by meandering rivers has long attracted the attention of many geomorphologists, civil engineers, and sedimentologists. Unless they are fairly steep or have highly stable and unerodible banks, rivers do not like to follow a straight course and tend to develop a sinuous plan-view pattern. The description and mathematical modeling of these curves is a fascinating subject, but that is not what I want to talk about here and now. It is hard enough to under........ Read more »

  • August 15, 2010
  • 04:25 PM

Predicting catastrophic health events - noninvasively and short term

by Aurametrix team in Health Technologies

"I've just picked up a fault in the AE35 unit. It's going to go 100% failure in 72 hours". These were famous words of the almighty computer HAL in "2001: A Space Odyssey". Few of us believe too much in software forecasts - be it weather, earthquakes or computer hard disk failures. Yet, we all know that sometimes it works. And such systems are very valuable, assuming they continuously improve. ... Read more »

Hsia, J., Larson, J., Ockene, J., Sarto, G., Allison, M., Hendrix, S., Robinson, J., LaCroix, A., Manson, J., & , . (2009) Resting heart rate as a low tech predictor of coronary events in women: prospective cohort study. BMJ, 338(feb03 2). DOI: 10.1136/bmj.b219  

Froelicher VF, Duarte GM, Oakes DF, Klein J, Dubach PA, & Janosi A. (1988) The prognostic value of the exercise test. Disease-a-month : DM, 34(11), 677-735. PMID: 3056676  

  • August 15, 2010
  • 04:16 PM

Wolf Spider Leg Regeneration Impairs Foraging

by Kevin Zelnio in The Online Laboratory of Kevin Zelnio

Study organism, photo from Uetz Lab (click through).
Wrinn & Uetz studied how leg loss and regeneration affected the condition, growth and development time of the wolf spider, Schizocosa ocreata (Lycosidae, photo at left). Spiders may amputate their legs as a defense strategy, but it’s not clear what trade-offs exist. For instance, if a spider [...]... Read more »

  • August 15, 2010
  • 02:57 PM

SUPER Reconstitution of Membrane Budding and Fission

by Michael Long in Phased

Thomas Pucadyil and Saundra Schmid (Scripps Research Institute, California, United States) have reconstituted protein-induced membrane budding and fission, fundamental to exocytosis, in supported lipid membranes adsorbed onto silica beads. This news feature was written on August 15, 2010.... Read more »

  • August 15, 2010
  • 01:45 PM

Insect Flight: Phylogenetic Intro

by Marc in Teaching Biology

A summary of the different hypotheses of how the Pterygota (winged insects) are related.... Read more »

Simon, S., Strauss, S., von Haeseler, A., & Hadrys, H. (2009) A Phylogenomic Approach to Resolve the Basal Pterygote Divergence. Molecular Biology and Evolution, 26(12), 2719-2730. DOI: 10.1093/molbev/msp191  

  • August 15, 2010
  • 01:38 PM

Mercury Rising

by Journal Watch Online in Journal Watch Online

Mercury is flowing with the melt. A new study from Sweden finds that thawing permafrost in a northern peat bog is releasing the toxic metal into a nearby lake. That pattern could become widespread as global temperatures rise, the authors warn.
Researchers have long known that the vast peatlands that ring the northern hemisphere are […] Read More »... Read more »

  • August 15, 2010
  • 09:19 AM

Is Ethiopia reaching the development millennium goals (MDG)?

by Bernt Lindtjorn in International Health Research

Although Ethiopia has shown an impressive economic growth over the last seven years, one-third of its population remains poor. To achieve the MDG, an annual economic growth of 7 % is needed, and in the last years the growth has exceeded this critical figure.
A recent conference in Cape Town evaluated the performance of different countries, [...]... Read more »

Bhutta ZA, Chopra M, Axelson H, Berman P, Boerma T, Bryce J, Bustreo F, Cavagnero E, Cometto G, Daelmans B.... (2010) Countdown to 2015 decade report (2000-10): taking stock of maternal, newborn, and child survival. Lancet, 375(9730), 2032-44. PMID: 20569843  

  • August 15, 2010
  • 02:54 AM

From the Literature: Mass Migrations in Dragonflies

by dragonflywoman in The Dragonfly Woman

Wow!  I’m running way behind on getting a new post up.  I’ve been getting a ton of dragonfly swarm reports in the last week, so I’ve been scrambling around trying to keep up with that.  Couple that with some writer’s block and the start of my field season, and Ms. Dragonfly’s life has been a bit [...]... Read more »

  • August 15, 2010
  • 12:14 AM

Lancet’s superbug report is another misuse of broken peer review

by Abhishek Tiwari in Fisheye Perspective

First of all I am really disappointed the way most of science and microbiology bloggers avoided to blog this paper. I think this was perfect food for any science blog focused on microbiology and an opportunity to show their zeal for independent science writing but they did not. Although I am neither a microbiologist nor I am [...]

... Read more »

  • August 14, 2010
  • 11:26 PM

Breaking Up is Not So Hard to Do

by Shaheen Lakhan in Brain Blogger

Half of marriages in the United States eventually end in divorce. In addition to just being a socially-accepted norm, a new study reveals that divorce may actually be contagious. A new study, authored by researchers from Brown University, the University of San Diego, and Harvard University, reports that divorce spreads through social networks much like [...]... Read more »

Markman HJ, Rhoades GK, Stanley SM, Ragan EP, & Whitton SW. (2010) The premarital communication roots of marital distress and divorce: the first five years of marriage. Journal of family psychology : JFP : journal of the Division of Family Psychology of the American Psychological Association (Division 43), 24(3), 289-98. PMID: 20545402  

Maxin D, & Berec L. (2010) A two-sex demographic model with single-dependent divorce rate. Journal of theoretical biology, 265(4), 647-56. PMID: 20542042  

  • August 14, 2010
  • 06:59 PM

Cite more papers, get more citations?

by Jeremy Yoder in Denim and Tweed

Nature News is reporting some interesting results presented as a paper at a meeting of the International Society for the Psychology of Science & Technology last week: articles published in the journal Science with longer "Works Cited" sections are themselves more frequently cited [$$]. A plot of the number of references listed in each article against the number of citations it eventually received reveal that almost half of the variation in citation rates among the Science papers can be attribut........ Read more »

Webster, G.D., Jonason, P.K., & Schember, T.O. (2009) Hot topics and popular papers in evolutionary psychology: Analyses of title words and citation counts in Evolution and Human Behavior, 1979-2008. Evolutionary Psychology, 7(3), 348-348. info:other/

  • August 14, 2010
  • 04:39 PM

Enhanced paper reading and huge kinase complexes

by Nir London in Macromolecular Modeling Blog

About a year ago we reported of PLoS and Molsoft launching a new way of publishing structural biology related papers. A couple of days ago I've stumbled on one such paper, published in PLoS biology and decided to take the technology for a ride.

... Read more »

  • August 14, 2010
  • 02:49 PM

Seagull Poo

by Lab Rat in Lab Rat

Scientists are only human, and one of the defining features of humanity is the ability to snigger at the thought of bodily waste. Which was why the Carnal Carnival was set up, in a twittered flurry of excitement to cover all such bodily functions normally thought of as disgusting. And of course my main thought, when I saw all those eukaryote-specific processes going up on the topic list, was "How many of those can I twist into a post about bacteria"The first topic was poo - which automatically s........ Read more »

Lu J, Santo Domingo JW, Lamendella R, Edge T, & Hill S. (2008) Phylogenetic diversity and molecular detection of bacteria in gull feces. Applied and environmental microbiology, 74(13), 3969-76. PMID: 18469128  

  • August 14, 2010
  • 06:09 AM

Cognitive Inferences and Optical Illusions

by Psychothalamus in Psychothalamus

Ever wondered what allows us to be so perceptive about the world around us that it's almost taken for granted? Or why it is so difficult to create a robot with human-like perception, intelligence and understanding?The discovery that the brain forms assumptions about the world in order to facilitate our lives has been one of the most illuminating insights from psychology and neuroscience.Assumptions, or cognitive inferences, are what separates humans from robots. One very salient instance of........ Read more »

  • August 14, 2010
  • 04:00 AM

Smooth evolution: spider silk proteins

by Lucas in thoughtomics

Like a spider web, the evolution of spider silk proteins looks pretty complex. New research sheds some light on the evolution of these stretchy, sticky and tough proteins.

Everyone knows Spider-Man’s main (and only?) talent is shooting sticky liquid from his “web-shooters”. Often his webs take the form of a rope that is perfect [...]... Read more »

Garb JE, Ayoub NA, & Hayashi CY. (2010) Untangling spider silk evolution with spidroin terminal domains. BMC evolutionary biology, 10(1), 243. PMID: 20696068  

  • August 13, 2010
  • 09:31 PM

Gender X = Mental Illness Y = Physical Illness Z…

by Ultimo167 in Strong Silent Types

Needham and Hill (2010) claim to have conjured up 'the first study (ever) to consider whether gender differences in mental health contribute to gendered
patterns of (physical) disease'. In the end, it all seems to rest on the plausability of internalised (female) vs. externalised (male) disorders.... Read more »

  • August 13, 2010
  • 07:15 PM

Scientific Casualties – Infectious disease research can be life threatening

by James Byrne in Disease Prone

Before this weeks post I would like to make an announcement. At this stage I am claiming victory in the debate. You can check out the results on the poll itself here. First I would like to thank myself for putting up such an amazing argument. I would also like to thank Thomas for putting [...]... Read more »

Marmion BP, Burrell CJ, Tonkin RW, & Dickson J. (1982) Dialysis-associated hepatitis in Edinburgh; 1969-1978. Reviews of infectious diseases, 4(3), 619-37. PMID: 6812192  

Burrell CJ, Tonkin RW, Proudfoot E, Leadbetter G, Cowan P, Lockerbie L, Gore S, Lutz W, & Marmion BP. (1977) Prevalence of antibody to hepatitits B surface antigen among staff in an Edinburgh hospital. The Journal of hygiene, 78(1), 57-68. PMID: 264499  

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