Post List

  • August 31, 2010
  • 09:18 PM

The Wednesday Post - Frogs and Antibiotics!

by James Byrne in Disease Prone

A meeting of the American Chemical Society last week a group of researchers from the United Arab Emirates University presented some data showing they had collected and analysed frog skin compounds that elicited an anti-microbial effects from a wide range of species.... Read more »

  • August 31, 2010
  • 09:00 PM

The Bad Language of Physics

by S.C. Kavassalis in The Language of Bad Physics

One of the things I sometimes find myself writing about is the “bad” language used by physicists.  Sometimes we say Riemannian when we really should say psuedo-Riemannian, sometimes we call something a metric when it really is a line element – the kind of nitpicky pet-peeves that practically everyone has about literature in their field.  Today, I’m going to be talking about the bad language in physics in a totally different context however.
Teepee Lattices, Future-Pointing Wigwams ........ Read more »

Regge, T. (1961) General relativity without coordinates. Il Nuovo Cimento, 19(3), 558-571. DOI: 10.1007/BF02733251  

Galassi, M. (1993) Lapse and shift in Regge calculus. Physical Review D, 47(8), 3254-3264. DOI: 10.1103/PhysRevD.47.3254  

Kheyfets A, LaFave NJ, & Miller WA. (1990) Null-strut calculus. II. Dynamics. Physical review D: Particles and fields, 41(12), 3637-3651. PMID: 10012308  

ALPER ÜNGÖR, & ALLA SHEFFER. (2002) PITCHING TENTS IN SPACE-TIME: MESH GENERATION FOR DISCONTINUOUS GALERKIN METHOD. International Journal of Foundations of Computer Science , 13(2). info:/10.1142/S0129054102001059

  • August 31, 2010
  • 08:50 PM

Seabird Bycatch via Deep Sea Longlines is Vastly Understated

by Michael Long in Phased

Eric Gilman (Hawaii Pacific University, United States) and coworkers' 15-year study strongly suggests that deep sea longlines understate seabird bycatch by approximately 50%, reinforcing the serious threat to birds posed by longline fisheries. This news feature was written on August 31, 2010.... Read more »

Brothers, N., Duckworth, A. R., Safina, C., & Gilman, E. L. (2010) Seabird Bycatch in Pelagic Longline Fisheries Is Grossly Underestimated when Using Only Haul Data. PLoS ONE, 5(8). info:/10.1371/journal.pone.0012491

  • August 31, 2010
  • 08:33 PM

The Wednesday Post (1/9/10)

by James Byrne in Disease Prone

Enough of vaccines for a moment. I want to talk about frogs, frogs and antimicrobial agents. Normally I find it hard to remain interested in anything with a central nervous system but recently two frog related stories have caught my eye. First was this little dude. Are you kidding me, that thing is tiny. Sometimes [...]... Read more »

  • August 31, 2010
  • 07:09 PM

Barriers to Long-Term Living Kidney Donor Follow-up

by Cristy at Living Donor 101 in Living Donors Are People Too

FYI: OPTN requires indefinite follow-up of all transplant recipients, but surgeons and transplant centers have consistently opposed following up on living donors. Keep that in mind as I give a guided tour of this article. Since 1999, UNOS has required transplant programs to report information about living donors at postoperative discharge, 6months, and 12 months (10). In June 2007, this reporting requirement was extended to 24 months (11).UNOS doesn't require anything; OPTN does. UNOS is simply ........ Read more »

  • August 31, 2010
  • 06:49 PM

Are you high or low functioning? Examples from autism research

by Michelle Dawson in The Autism Crisis

If you are autistic and ever venture or are pushed into public, a near-certainty is that you will publicly be ranked and classified by total strangers. For example, you will be assigned to the "high end" or the "low end" of the autistic spectrum, according to whether you are claimed to have a good or bad outcome (I've been claimed to have both). Non-political observers may notice how ethically and scientifically problematic this is, but there are few discussions, formal or informal, in which aut........ Read more »

Akshoomoff N, Lord C, Lincoln AJ, Courchesne RY, Carper RA, Townsend J, & Courchesne E. (2004) Outcome classification of preschool children with autism spectrum disorders using MRI brain measures. Journal of the American Academy of Child and Adolescent Psychiatry, 43(3), 349-57. PMID: 15076269  

Farley MA, McMahon WM, Fombonne E, Jenson WR, Miller J, Gardner M, Block H, Pingree CB, Ritvo ER, Ritvo RA.... (2009) Twenty-year outcome for individuals with autism and average or near-average cognitive abilities. Autism research : official journal of the International Society for Autism Research, 2(2), 109-18. PMID: 19455645  

  • August 31, 2010
  • 06:15 PM

… Sm;)e and whole Frontal Gyrus sm;)es with you

by Rift in Psycasm

[Wherein our hero smiles, and the whole Frontal Gyrus (and parts of the Occiptal Gyrus) smile with him.] Given that I’m leaving the country tomorrow night and I’m cramming some major assignment pre-deadline, I have to keep this post light. Here’s a mind-map a colleague and I put together. It was tiny piece of assessment, [...]... Read more »

  • August 31, 2010
  • 05:33 PM

Monkeypox infections on the increase in Africa

by geekheartsscience in geek!

The incidence of a smallpox-like disease—caused by the monkeypox virus—has increased 20-fold in the Demoncratic Republic of Congo (DRC) over the past 30 years, according to new research published online in the journal PNAS. The findings suggest that, as smallpox vaccination programmes ceased in the DRC in 1980, people are now immunologically ‘naïve’ to orthopoxviruses [...]... Read more »

Anne W. Rimoin, Prime M. Mulembakani, Sara C. Johnston, James O. Lloyd Smith, Neville K. Kisalu, Timothee L. Kinkela, Seth Blumberg, Henri A. Thomassen, Brian L. Pike, Joseph N. Fair, Nathan D. Wolfe, Robert L. Shongo, Barney S. Graham, Pierre Formenty, E, & Major. (2010) Major increase in human monkeypox incidence 30 years after smallpox vaccination campaigns cease in the Democratic Republic of Congo. Proceedings of the National Academy of Sciences USA. DOI: 10.1073/pnas.1005769107  

  • August 31, 2010
  • 03:58 PM

The Clinical Neuroscience iPad Library

by William Yates, M.D. in Brain Posts

Carrying around a library of pdf files has now become easy with the introduction of the iPad and net book computers.  It is now possible to keep a library of key references that can be accessed at the patient bedside for reference use.  This brings up the question of what pdf files are most valuable for clinicians.   I have spent some time thinking about this and elected to come up with a dozen suggestions.  The criteria for selection included:Valuable for clinicians caring ........ Read more »

Davies P, & Koppel J. (2009) Mechanism-based treatments for Alzheimer's disease. Dialogues in clinical neuroscience, 11(2), 159-69. PMID: 19585951  

  • August 31, 2010
  • 03:35 PM

Measuring changes during graded exposure & acceptance treatment

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

I have been pondering about the best way to monitor ‘Matt’s progress during graded exposure therapy for his avoidance of activities involving back movement. I introduced you to Matt yesterday. He’s a ‘man’s man’, a real bloke who, for the past four years since he had surgery for a prolapsed disc, has avoided things like … Read more... Read more »

  • August 31, 2010
  • 03:32 PM

A Finch’s Ways to Find a Mate: 1) Peacock It Out, 1a) Meet as Many Friends as You Can

by Michael Gutbrod in A Scientific Nature

For those of you out there moping over how your disadvantageous (you might call it unlucky) genetic makeup has led to your not so attractive (others might call it ugly) appearance, there may be hope for you yet!  In the animal world, scientists Kevin P. Oh and Alexander V. Badyaev have found that more social [...]... Read more »

  • August 31, 2010
  • 02:58 PM

Unsafe Haven

by Journal Watch Online in Journal Watch Online

Being big and hairy is looking scary. The number of large mammals living in nearly 80 African reserves has dropped by more than half since the 1970s, according to a new study. Some reserves, however, appear to be helping big mammals hang on.
Protected areas (PAs) have become a major focus of conservation efforts around […] Read More »... Read more »

Craigie, I., Baillie, J., Balmford, A., Carbone, C., Collen, B., Green, R., & Hutton, J. (2010) Large mammal population declines in Africa’s protected areas. Biological Conservation, 143(9), 2221-2228. DOI: 10.1016/j.biocon.2010.06.007  

  • August 31, 2010
  • 02:09 PM

Getting OMPs to the membrane - SGM series

by Lab Rat in Lab Rat

This is the first post of my SGM conference series: I'm going to try and write about seven topics from the Society for General Microbiology September conference over the course of two weeks. The first topic I'm looking at is Protein Folding and Misfolding which consisted of thirteen presentations covering various aspects of protein folding in bacteria, fungi and yeast. As a quick background: when proteins are synthesized they are constructed as long chains of amino-acids which then need to fold........ Read more »

Johnson, A., & Jensen, R. (2004) Barreling through the membrane. Nature Structural , 11(2), 113-114. DOI: 10.1038/nsmb0204-113  

  • August 31, 2010
  • 01:51 PM

Seeing double: perhaps is simply optical diplopia

by Pablo Artal in Optics confidential

Changes in the optics of the eye can produce double or even multiple images... a real case is explained as an example and more... ... Read more »

  • August 31, 2010
  • 01:47 PM

Adolescent Menstrual Variation and Oral Contraceptives

by Kate Clancy in Laboratory for Evolutionary Endocrinology

This post reviews current knowledge about adolescent menstrual cycling and oral contraceptive use, making recommendations for future research.... Read more »

American Academy of Pediatrics Committee on Adolescence, American College of Obstetricians and Gynecologists Committee on Adolescent Health Care, Diaz A, Laufer MR, & Breech LL. (2006) Menstruation in girls and adolescents: using the menstrual cycle as a vital sign. Pediatrics, 118(5), 2245-50. PMID: 17079600  

Andrist LC, Arias RD, Nucatola D, Kaunitz AM, Musselman BL, Reiter S, Boulanger J, Dominguez L, & Emmert S. (2004) Women's and providers' attitudes toward menstrual suppression with extended use of oral contraceptives. Contraception, 70(5), 359-63. PMID: 15504373  

APTER, D. (1997) Development of the Hypothalamic-Pituitary-Ovarian Axis. Annals of the New York Academy of Sciences, 816(1 Adolescent Gy), 9-21. DOI: 10.1111/j.1749-6632.1997.tb52125.x  

Morimatsu, Y., Matsubara, S., Watanabe, T., Hashimoto, Y., Matsui, T., Asada, K., & Suzuki, M. (2009) Future recovery of the normal menstrual cycle in adolescent patients with secondary amenorrhea. Journal of Obstetrics and Gynaecology Research, 35(3), 545-550. DOI: 10.1111/j.1447-0756.2009.01014.x  

  • August 31, 2010
  • 01:01 PM

Parasitic Editors Win the Genome

by Rob Mitchum in ScienceLife

In biology, fitness can be crudely measured by a simple method: counting. If a particular species is well represented in a particular ecosystem, one can conclude that evolution has treated them well, with circumstances allowing them to thrive. It’s a bit simplistic to declare evolutionary winners or losers, but a species that over-populates an island [...]... Read more »

Aziz RK, Breitbart M, & Edwards RA. (2010) Transposases are the most abundant, most ubiquitous genes in nature. Nucleic acids research, 38(13), 4207-17. PMID: 20215432  

  • August 31, 2010
  • 12:30 PM

Genomic analysis can be powerful – in the right hands

by Rachel Bernstein in Berkeley Science Review Blog

You may have heard about the controversial genetics study connecting a set of 150 genetic markers to “exceptional longevity” (people living past 100). Everybody’s interested in living longer, so it’s not surprising that the work, published by Boston University researchers in July in the journal Science, was covered with much fanfare in many main-stream news outlets (for example, in the NY Times and Scientific American). Science even hosted a media teleconference to promote the story. Con........ Read more »

Teslovich TM, Musunuru K, Smith AV, Edmondson AC, Stylianou IM, Koseki M, Pirruccello JP, Ripatti S, Chasman DI, Willer CJ.... (2010) Biological, clinical and population relevance of 95 loci for blood lipids. Nature, 466(7307), 707-13. PMID: 20686565  

  • August 31, 2010
  • 12:17 PM

Wolves Are Smart, but Dogs Look Back

by Jason Goldman in The Thoughtful Animal

Dogs are pretty smart. They can have huge vocabularies, they can infer meaning in the growls of other dogs, and they can effortlessly figure out if other dogs want to play or fight with them. But their intelligence might be limited to the social domain; indeed, while they outperform chimpanzees in social tasks, chimpanzees outperform them in many other tasks. And they might have developed their impressive social skills as merely an accident of natural and artificial selection.

Previous resear........ Read more »

Miklósi A, Kubinyi E, Topál J, Gácsi M, Virányi Z, & Csányi V. (2003) A simple reason for a big difference: wolves do not look back at humans, but dogs do. Current biology : CB, 13(9), 763-6. PMID: 12725735  

  • August 31, 2010
  • 12:08 PM

We recognize siblings based solely on facial similarity

by Psychology 379 bloggers in Cognition & the Arts

Originally posted on Cognitive Daily. This is a guest post by Christy Tucker, one of Greta’s top student writers from Spring of 2007. Take a look at the following paintings. How alike are they? How can you tell–which clues help you determine similarity? Now, which of these girls are related? If only two of these [...]... Read more »

  • August 31, 2010
  • 12:07 PM

The Magic Touch: When vision lets you down

by Psychology 379 bloggers in Cognition & the Arts

Originally posted on Cognitive Daily. This is a guest post by Martina Mustroph, one of Greta’s top student writers for Spring 2007. When you’re typing, your senses of touch, hearing, and sight align. You feel, see, and hear your fingers touch the keyboard. Now imagine that you are outdoors and you feel a drop of [...]... Read more »

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