Post List

  • November 30, 2010
  • 09:53 AM

Insects: slaves in a fungal nation

by davesbrain in Dave Hubble's ecology spot

Imagine you are a Yellow Dung-fly, let’s say a common species like Scathophaga stercoraria. It is a warm summer’s day and you are flying around a grassy meadow peppered with juicy cow-pats. Just the sort of cow-pats frequented by the other flies you prey upon, and where your species’ larvae will develop. Marvellous. Then however, you get a strange urge. The urge is telling you to climb to the top of a tall grass stem. You obey. When you get there, the urge tells you to do the following:Tur........ Read more »

Salwiczek, L.H. . (2009) Parasites as scouts in behaviour research. Ideas in Ecology and Evolution, 1-6. DOI: 10.4033/iee.2009.2.1.c  

  • November 30, 2010
  • 09:39 AM

Aerobic vs Strength Training: Which Improves Diabetes More?

by Steve Parker, M.D. in Diabetic Mediterranean Diet Blog

Judging from improvement in hemoglobin A1c, the combination of aerobic and strength training is needed to improve diabetic blood sugar levels.  Both types of exercise—when considered alone—did not improve diabetes control, according to the latest research in the Journal of … Continue reading →... Read more »

Church, T., Blair, S., Cocreham, S., Johannsen, N., Johnson, W., Kramer, K., Mikus, C., Myers, V., Nauta, M., Rodarte, R.... (2010) Effects of Aerobic and Resistance Training on Hemoglobin A1c Levels in Patients With Type 2 Diabetes: A Randomized Controlled Trial. JAMA: The Journal of the American Medical Association, 304(20), 2253-2262. DOI: 10.1001/jama.2010.1710  

  • November 30, 2010
  • 09:35 AM

Drug Development for Irritable Bowel Syndrome

by William Yates, M.D. in Brain Posts

Irritable bowel syndrome (IBS) is a common and chronic gastrointestinal disorder.  Symptoms include abdominal pain and cramping accompanied by diarrhea and/or constipation.  Estimated to effect 10 to 15% of the population, current drug treatment modalities are fail to relieve symptoms in many patients.  There is considerable interest in novel drugs that might more effectively control symptoms while producing limited side effects.  A recent review of treatments for irritable b........ Read more »

  • November 30, 2010
  • 09:27 AM

50 years of metallic glasses

by Joerg Heber in All That Matters

This week I am attending the 2010 Materials Research Society Fall Meeting in Boston — one of the key meetings in materials science. One of the sessions is on bulk metallic glasses and their applications, which this year is a little special. It is organised in honour of the 50 year anniversary of the first demonstration [...]... Read more »

  • November 30, 2010
  • 09:05 AM

Nibbled to distraction: Gerbils infested with fleas don't watch for foxes

by Jeremy Yoder in Denim and Tweed

In natural communities, each species is embedded in a web of interactions with other species—predators, prey, competitors, mutualists, and parasites. The effects of all these other species combine in complex, unpredictable ways. I recently discussed a study of protozoans living inside pitcher plants that found predators and competitors can cancel out each others' evolutionary effects. Now another study finds that parasites and predators can interact to make desert-living gerbils adopt less eff........ Read more »

  • November 30, 2010
  • 08:46 AM

Crizotinib and ALK rearrangements in lung cancer: an interview with Dr Ross Camidge

by Sally Church in Pharma Strategy Blog

One of the hot topics in cancer this year has definitely been the impressive clinical trial results from crizotinib (Pfizer) in ALK rearrangements seen in a small proportion of people with non-small cell lung cancer (NSCLC).  We’ve covered the data … Continue reading →... Read more »

Kwak, E., Bang, Y., Camidge, D., Shaw, A., Solomon, B., Maki, R., Ou, S., Dezube, B., Jänne, P., Costa, D.... (2010) Anaplastic Lymphoma Kinase Inhibition in Non–Small-Cell Lung Cancer. New England Journal of Medicine, 363(18), 1693-1703. DOI: 10.1056/NEJMoa1006448  

  • November 30, 2010
  • 08:00 AM

Obese Teens Grow Into Severely Obese Adults

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

One of the most important risk factors for adult obesity is excess weight in children and youth.
But exactly how strong is this relationship?
This question was recently addressed by Natalie The and colleagues from the University of North Carolina, Chapel Hill, NC, in a paper published this month in JAMA.
In order to determine the incidence and [...]... Read more »

The NS, Suchindran C, North KE, Popkin BM, & Gordon-Larsen P. (2010) Association of adolescent obesity with risk of severe obesity in adulthood. JAMA : the journal of the American Medical Association, 304(18), 2042-7. PMID: 21063014  

  • November 30, 2010
  • 06:14 AM

HIV evolution: individual vs. population

by iayork in Mystery Rays from Outer Space

Worldwide HIV/AIDs Epidemic Statistics (We are in the process of selling one home and buying another, while at work I just finished organizing a course on biosecurity for an international group. In the upcoming week I’m traveling to a conference in Washington. To say nothing of the Thanksgiving holiday. All this means short and scarce [...]... Read more »

Fryer, H., Frater, J., Duda, A., Roberts, M., , ., Phillips, R., & McLean, A. (2010) Modelling the Evolution and Spread of HIV Immune Escape Mutants. PLoS Pathogens, 6(11). DOI: 10.1371/journal.ppat.1001196  

  • November 30, 2010
  • 05:30 AM

Is it me you like, or my bacteria?

by Becky in It Takes 30

When two populations of a species evolve in different directions — perhaps because they live on separate islands, with different food sources or different dangers — at some point individuals from the two populations become unwilling to mate with each other.  This can increase the rate at which the two populations diverge, and thus the [...]... Read more »

Sharon G, Segal D, Ringo JM, Hefetz A, Zilber-Rosenberg I, & Rosenberg E. (2010) From the Cover: Commensal bacteria play a role in mating preference of Drosophila melanogaster. Proceedings of the National Academy of Sciences of the United States of America, 107(46), 20051-6. PMID: 21041648  

  • November 30, 2010
  • 05:00 AM

Overcoming recklessness

by David Winter in Careers - in Theory

Quite a while ago I blogged about Learned Helplessness and I followed it up with an unsettling video in which at teacher induced learned helplessness in half a class by making them attempt impossible anagrams. So I was interested to find out about another bit of research which used impossible anagrams to get students into [...]... Read more »

Webb TL, Sheeran P, Totterdell P, Miles E, Mansell W, & Baker S. (2010) Using implementation intentions to overcome the effect of mood on risky behaviour. The British journal of social psychology / the British Psychological Society. PMID: 21050527  

  • November 30, 2010
  • 04:54 AM

Cape Cod Crabs Consume Haline Hay

by Sam in Oceanographer's Choice

An interesting piece of ecological detective work from the shores of New England, which came to my attention via this blog post and this op-ed in the Cape Cod Times. Salt marshes on Cape Cod have been suffering local die-back … Continue reading →... Read more »

  • November 30, 2010
  • 02:30 AM

Rapid Tranquillisation

by Dr Shock in Dr Shock MD PhD

Rapid tranquillisation is sometimes used with disturbed violent patients in adult in-psychiatric settings and emergency departments. It’s only a small part of the algorithm for the short term management of these patients. Other aspects are prediction, prevention, other interventions than medication and a post incident review.
There’s a guideline from the UK’s National Institute for Health [...]

Related posts:Rapid tranquilisation in emergency psychiatrie
Technology Review: B........ Read more »

  • November 30, 2010
  • 02:18 AM

Gender Achievement Gaps in Science and Maths

by Croor Singh in Learning to be Terse

A study that shows that values affirmation can help female students do better in a calculus based Physics course.... Read more »

Miyake A, Kost-Smith LE, Finkelstein ND, Pollock SJ, Cohen GL, & Ito TA. (2010) Reducing the gender achievement gap in college science: a classroom study of values affirmation. Science (New York, N.Y.), 330(6008), 1234-7. PMID: 21109670  

  • November 30, 2010
  • 02:00 AM

The Jesus factor of the iPhone

by SAGE Insight in SAGE Insight

How the iPhone became divine: new media, religion and the intertextual circulation of meaning From New Media Society The labeling of the iPhone as the ‘Jesus phone’ illustrates how new media objects can possess multiple layers of meaning, which can shape how they are perceived by the public. This study explores the relationship between religious [...]... Read more »

  • November 30, 2010
  • 12:31 AM

In the news this month: record-breaking galaxy

by Megan in Rigel

The most distant object in the known universe is a highly luminous , a single explosion discovered near maximum light, at a of 8.2, a time when the universe was only 630 million years old, less than 5 percent of its current age. The most distant known galaxy lies at a redshift of 6.96, the light we see now left the galaxy just 750 million years after the . However, both these records have now been broken by a galaxy discovered by the Hubble Space Telescope which has a redshift of 8.56 and an es........ Read more »

Lehnert, M., Nesvadba, N., Cuby, J., Swinbank, A., Morris, S., Clément, B., Evans, C., Bremer, M., & Basa, S. (2010) Spectroscopic confirmation of a galaxy at redshift z . Nature, 467(7318), 940-942. DOI: 10.1038/nature09462  

  • November 29, 2010
  • 10:22 PM

Concerning a Way for the Prolongation of Humane Life

by Jon Wilkins in Lost in Transcription

M. de Martel proposes a means of extending life, and youth, indefinitely. It involves preventing the igneous particles from abandoning the blood.... Read more »

  • November 29, 2010
  • 09:10 PM

In the news this month: latest results from LCROSS

by Megan in Rigel

Small lumps of rock hit the Moon quite regularly, but in 2009 two artificial projectiles impacted on the lunar surface in an experiment designed to search for water in the permanent shadows of a crater near the lunar south pole. Hints of subsurface water on the Moon had already been found in 1999 when NASA's spacecraft detected signatures of concentrated hydrogen, the "H" in "H2O", near the lunar poles. The Lunar CRater Observation and Sensing Satellite, or , was a low-cost mission launched tog........ Read more »

Colaprete, A., Schultz, P., Heldmann, J., Wooden, D., Shirley, M., Ennico, K., Hermalyn, B., Marshall, W., Ricco, A., Elphic, R.... (2010) Detection of Water in the LCROSS Ejecta Plume. Science, 330(6003), 463-468. DOI: 10.1126/science.1186986  

Schultz, P., Hermalyn, B., Colaprete, A., Ennico, K., Shirley, M., & Marshall, W. (2010) The LCROSS Cratering Experiment. Science, 330(6003), 468-472. DOI: 10.1126/science.1187454  

Gladstone, G., Hurley, D., Retherford, K., Feldman, P., Pryor, W., Chaufray, J., Versteeg, M., Greathouse, T., Steffl, A., Throop, H.... (2010) LRO-LAMP Observations of the LCROSS Impact Plume. Science, 330(6003), 472-476. DOI: 10.1126/science.1186474  

Hayne, P., Greenhagen, B., Foote, M., Siegler, M., Vasavada, A., & Paige, D. (2010) Diviner Lunar Radiometer Observations of the LCROSS Impact. Science, 330(6003), 477-479. DOI: 10.1126/science.1197135  

Paige, D., Siegler, M., Zhang, J., Hayne, P., Foote, E., Bennett, K., Vasavada, A., Greenhagen, B., Schofield, J., McCleese, D.... (2010) Diviner Lunar Radiometer Observations of Cold Traps in the Moon's South Polar Region. Science, 330(6003), 479-482. DOI: 10.1126/science.1187726  

Mitrofanov, I., Sanin, A., Boynton, W., Chin, G., Garvin, J., Golovin, D., Evans, L., Harshman, K., Kozyrev, A., Litvak, M.... (2010) Hydrogen Mapping of the Lunar South Pole Using the LRO Neutron Detector Experiment LEND. Science, 330(6003), 483-486. DOI: 10.1126/science.1185696  

  • November 29, 2010
  • 08:25 PM

This Week in the Universe: November 23rd – November 29th

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

Astrophysics and Gravitation:
Lensing of Black Holes Can Determine the Metric Around Them?
Bin-Nun, A. (2010). Gravitational lensing of stars orbiting Sgr A* as a probe of the black hole metric in the Galactic center Physical Review D, 82 (6) DOI: 10.1103/PhysRevD.82.064009
From the abstract:
We show that a possible astrophysical experiment, detection of lensed images of stars orbiting close to Sgr A*, can provide insight into the form of the metric around a black hole. We model Sgr A* as a bl........ Read more »

  • November 29, 2010
  • 07:26 PM

Russian Dolls in Space: a possible Microquasar inside a Gamma-Ray Pulsar inside a Supernova Remnant

by mithy in The Enlightenment Junkie

Looking up at the sky on any clear, dark, night, you can’t help but get a deep and often meaningful impression of the infinite voids of space. But in reality this is merely an illusion, as the universe is actually very, very crowded. I’m not talking about all the man-made space junk that we’ve launched [...]... Read more »

Chen, A., Piano, G., Tavani, M., Trois, A., Dubner, G., Giacani, E., Argan, A., Barbiellini, G., Bulgarelli, A., Caraveo, P.... (2010) Study of the gamma-ray source 1AGL J2022 4032 in the Cygnus region . Astronomy and Astrophysics. DOI: 10.1051/0004-6361/201015279  

  • November 29, 2010
  • 06:40 PM

River Disturbance Affects the Level of Cannibalism in a Fishing Spider…

by Dr. Carin Bondar in Dr. Carin Bondar - Biologist With a Twist

A true appreciation of biodiversity comes with the realization that no animal is an island.  The complex meshwork of interactions between organisms is something that we, as biologists and naturalists, may never fully comprehend.  Both direct and indirect interactions can affect ecosystem processes, to varying extents and at several scales.  Interactions can involve both biotic [...]... Read more »

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