Tevatron is again at the forefront of the blogosphere mostly due to Jester and Lubos. Top quark seems the main suspect to put an end to the domain of the Standard Model in particle physics. Indeed, years and years of confirmations cannot last forever and somewhere some odd behavior must appear. But this is again [...]... Read more »
Frasca, M. (2009) MAPPING A MASSLESS SCALAR FIELD THEORY ON A YANG–MILLS THEORY: CLASSICAL CASE. Modern Physics Letters A, 24(30), 2425. DOI: 10.1142/S021773230903165X
Frasca, M. (2010) Glueball spectrum and hadronic processes in low-energy QCD. Nuclear Physics B - Proceedings Supplements, 196-199. DOI: 10.1016/j.nuclphysbps.2010.10.051
Bingham's model predicts that the information for relative phase is the relative direction of movement. The first direct test of this hypothesis was the experiment that followed on from my learning study, in which we systematically perturbed the various candidate information variables to see which affected performance in the perceptual judgement task.I like this study a lot, if I do say so myself. It's a serious attempt to make a strong test of the model's predictions, and we invested a lot of t........ Read more »
Wilson, A. D., & Bingham, G. P. (2008) Identifying the information for the visual perception of relative phase. Perception , 70(3), 465-476. DOI: 10.3758/PP.70.3.465
scale can really change perspective... take this fruit fly eye, for example, at scanning electron microscope scale - it looks like an army of hairs Scale seems like a simple term with a simple definition, a concept certainly not up for debate. Well, digging just a little deeper we find that the nuances [...]... Read more »
Jennifer Silver. (2008) Weighing in on scale: synthesizing disciplinary approaches to scale in the context of building interdisciplinary resource management. Society and Natural Resources, 21(10). info:/
Jentoft, S. (2000) The community: a missing link of fisheries management. Marine Policy, 24(1), 53-60. DOI: 10.1016/S0308-597X(99)00009-3
Before we get too far ahead of ourselves, let's remember that dark energy being a cosmological constant fits the data very well and has for years. That said, experimental constraints allow for dark energy actually being an exotic form of phantom energy. (So for the time being we have to allow for the possibility and work out the details.) This was recently done by Dabrowski and Denkiewicz.
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In his paper purporting to show that a beneficial, baby-making “religion gene” will sweep through a population and eventually make everyone religious, Robert Rowthorn ignores this inconvenient fact: nearly everyone in the world is already religious. Here is how it breaks down:
Because fifty percent of the “Non-Religious” group is theistic but not “religious,” we can [...]... Read more »
Rowthorn, R. (2011) Religion, fertility and genes: a dual inheritance model. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2010.2504
I've said it before, and I'll say it again - pathogens are devious little bastards:
Discovery of a Viral NLR Homolog that Inhibits the Inflammasome
In order to respond to a virus, a cell first has to recognize that it's there. There are a lot of ways the cell tries to do this - some receptors (like the TLRs I study) look for features that are unique to pathogens that are outside the cell. Others look for molecules (like DNA and RNA) that are shared between us and pathogens, but are in the wron........ Read more »
Gregory SM, Davis BK, West JA, Taxman DJ, Matsuzawa S, Reed JC, Ting JP, & Damania B. (2011) Discovery of a Viral NLR Homolog that Inhibits the Inflammasome. Science (New York, N.Y.), 331(6015), 330-4. PMID: 21252346
When it was first described in 1993, Mononykus was one of the strangest dinosaurs known. It had the slender, light build of some of the “ostrich mimic” dinosaurs, yet it possessed two stubby, one-clawed hands and a few other subtle characteristics that placed it in a new group called the alvarezsaurs. Since that time, multiple [...]... Read more »
Xu, X., Sullivan, C., Pittman, M., Choiniere, J., Hone, D., Upchurch, P., Tan, Q., Xiao, D., Tan, L., & Han, F. (2011) A monodactyl nonavian dinosaur and the complex evolution of the alvarezsauroid hand. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1011052108
Senter, P. (2005) Function in the stunted forelimbs of Mononykus olecranus (Theropoda), a dinosaurian anteater. Paleobiology, 31(3), 373-381. DOI: 10.1666/0094-8373(2005)031[0373:FITSFO]2.0.CO;2
"I’ve had a lot of jobs in my life: boxer, mascot, astronaut, baby proofer, imitation Krusty, truck driver, hippie, plow driver, food critic, conceptual artist, grease salesman, carny, mayor, grifter, body guard for the mayor, country western manager, garbage commissioner, mountain climber, farmer, inventor, Smithers, Poochie, celebrity assistant, power plant worker, fortune cookie writer, beer baron, Kwik-E-Mart clerk, homophobe, and missionary, but protecting people, that gives me the best f........ Read more »
Sahli, H., & Conner, J. (2011) Testing for conflicting and non-additive selection: Floral adaptation to multiple pollinators through male and female fitness. Evolution. DOI: 10.1111/j.1558-5646.2011.01229.x
As health professionals, we often assume that our patients understand what we tell them and can read the information sheets we expect them to understand.
But surprisingly often, even in a country like Canada, this is not the case. Thus, there is an increasing movement to make the assessment of a patient’s ability to follow health [...]... Read more »
Weiss BD, Mays MZ, Martz W, Castro KM, DeWalt DA, Pignone MP, Mockbee J, & Hale FA. (2005) Quick assessment of literacy in primary care: the newest vital sign. Annals of family medicine, 3(6), 514-22. PMID: 16338915
The first maps of the global distribution of the ease of subsurface water flow have been produced, and they are based on maps of rock type. Continue reading →... Read more »
Gleeson, T., Smith, L., Moosdorf, N., Hartmann, J., Dürr, H., Manning, A., van Beek, L., & Jellinek, A. (2011) Mapping permeability over the surface of the Earth. Geophysical Research Letters, 38(2). DOI: 10.1029/2010GL045565
Back in October I blogged about a recent paper by Ng et al. suggesting evidence for paternal programming of genes passed to offspring. Overall, the study wasn’t very convincing (in my humble opinion). But recently Carone et al. give some more … Continue reading →... Read more »
Carone BR, Fauquier L, Habib N, Shea JM, Hart CE, Li R, Bock C, Li C, Gu H, Zamore PD.... (2010) Paternally induced transgenerational environmental reprogramming of metabolic gene expression in mammals. Cell, 143(7), 1084-96. PMID: 21183072
According to a new study in Europe there are just five types of social network user. Indeed, the types apply equally as well to any social networking site, these are: Sporadics, Lurkers, Socializers, Debaters, and Actives. As social networking sites become more and more prevalent and more and more a part of our daily lives (viz 600 million Facebook users [...]Post from: David Bradley's Sciencetext Tech TalkDoes it matter what kind of online networker you are?
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Petter Bae Brandtzæg, & Jan Heim. (2011) A typology of social networking sites users. Int. J. Web Based Communities, 7(1), 28-51. info:/
Markel Vigo is taking up a research position spending two years with us here in Manchester and then a final year with Julio Abascal at the University of the Basque Country.... Read more »
Darren Lunn and Eleni Michailidou and Simon Harper. (2007) Observational Notes Acquired from Henshaws' Skillstep to Success Class: Observation Period 1. WEL Technical Reports, SADIe Technical Report 5(61). info:other/http://wel-eprints.cs.manchester.ac.uk/61/
Darren Lunn and Eleni Michailidou and Simon Harper. (2008) Observational Notes Acquired from Henshaws' Skillstep to Success Class: Observation Period 2. WEL Technical Reports, SADIe Technical Report 8(64). info:other/http://wel-eprints.cs.manchester.ac.uk/64/
While robots aren’t yet conquering the world and won’t be anytime soon, they’re finally learning to walk, and in the near future, the kind of bipedal locomotion that’s a major part of what makes humanoid robots such an enormous engineering and maintenance challenge, may get a lot easier. And not only are they learning how [...]... Read more »
Bongard J. (2011) Morphological change in machines accelerates the evolution of robust behavior. PNAS. PMID: 21220304
Bongard, J., Zykov, V., & Lipson, H. (2006) Resilient Machines Through Continuous Self-Modeling. Science, 314(5802), 1118-1121. DOI: 10.1126/science.1133687
Over the last 20 years or so we’ve been realizing that even bacteria don’t always live alone. Instead, individual cells often stick to each other to make a biofilm, secreting a substance colloquially known as slime (also known to biologists as extracellular matrix). Slime sounds wet, or sticky; but new work from Joanna Aizenberg’s lab [...]... Read more »
Epstein AK, Pokroy B, Seminara A, & Aizenberg J. (2011) Bacterial biofilm shows persistent resistance to liquid wetting and gas penetration. Proceedings of the National Academy of Sciences of the United States of America, 108(3), 995-1000. PMID: 21191101
Scent of a woman men’s testosterone responses to olfactory ovulation cues From Psychological Science According to this research, odors can be a subtle factor affecting human mating, similar to the behavior of other animals. Monitoring the responses of men after smelling t-shirts worn by ovulating women, non-ovulating women and some not worn at all, they [...]... Read more »
Miller, S., & Maner, J. (2009) Scent of a Woman: Men's Testosterone Responses to Olfactory Ovulation Cues. Psychological Science, 21(2), 276-283. DOI: 10.1177/0956797609357733
Original antigenic sin - will getting the flu shot make you more susceptible to an epidemic?... Read more »
Kim, J., Skountzou, I., Compans, R., & Jacob, J. (2009) Original Antigenic Sin Responses to Influenza Viruses. The Journal of Immunology, 183(5), 3294-3301. DOI: 10.4049/jimmunol.0900398
Does tracking your food intake and your exercise habits help you lose and maintain weight? A recent paper by Burke et al, published in the Journal of American Dietetic Association, reviews the collective research to date on the benefits of … Continue reading →... Read more »
Burke LE, Wang J, & Sevick MA. (2011) Self-monitoring in weight loss: a systematic review of the literature. Journal of the American Dietetic Association, 111(1), 92-102. PMID: 21185970
Birds have some awesomely descriptive names. Like the Yellow-bellied Sapsucker (Sphyrapicus varius), a North American woodpecker that specializes in drilling “sap wells” in trees to feed on their sugary phloem sap. Or the Brown Trembler (Cinclocerthia ruficauda), a Caribbean relative of the mockingbird that shakes its wings violently to communicate with other members of its [...]... Read more »
Nunn, C., Ezenwa, V., Arnold, C., & Koenig, W. (2011) MUTUALISM OR PARASITISM? USING A PHYLOGENETIC APPROACH TO CHARACTERIZE THE OXPECKER-UNGULATE RELATIONSHIP. Evolution. DOI: 10.1111/j.1558-5646.2010.01212.x
The insecticide DDT (dichlorodiphenytrichloroethane) has been in the public mind ever since Rachel Carson’s Silent Spring was published in 1962. Growing awareness of its environmental effects, persistence, biomagnification in food chains, and presence in humans (including in breast milk) led to severe restrictions being placed on its use, particularly in the developed world. However, its [...]... Read more »
Bouwman, H., van den Berg, H., & Kylin, H. (2011) DDT and Malaria Prevention: Addressing the Paradox. Environmental Health Perspectives. DOI: 10.1289/ehp.1002127
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