Post List

  • September 8, 2010
  • 05:30 AM

Cleaning up the mess: redevelopment of urban brownfields

by SAGE Insight in SAGE Insight

From Economic Development Quarterly The state of Michigan has had an aggressive program of environmental cleanup efforts targeted at contaminated properties since the early 1970s. Following  legislative changes brownfield redevelopment was made a top economic and environmental priority. This article examines the impact of the initiative. The findings present mixed results, identifying that 15% to 20% [...]... Read more »

Hula, R.C., & Bromley-Trujillo, R. (2010) Cleaning up the mess: redevelopment of urban brownfields. Economic Development Quarterly. info:/10.1177/0891242410365711

  • September 8, 2010
  • 04:28 AM

From Dark to Cerebral, what kind of media consumer are you?

by BPS Research Digest in BPS Research Digest

By analysing the preferences of over 3,000 participants across 108 genres of music, film, books and TV, a research team led by Peter Rentfrow has established there are five dimensions of media consumption: Communal, Aesthetic, Dark, Thrilling and Cerebral.

A key finding was that the trends in people's genre preferences tend to span different media formats: books, music, film, TV etc. Those who score highly on the Consumer dimension tend to enjoy media that involve people and relationships, inc........ Read more »

  • September 8, 2010
  • 01:11 AM

RCT of Oxygen vs. Room Air (Delivered by a Concentrator)

by Lyle Fettig, MD in Pallimed: a Hospice & Palliative Medicine Blog

Drawing of a nasal cannula from Wikimedia Commons
It's a common assumption amongst both the general population as well as medical professionals that breathlessness equals some problem with oxygen delivery, and therefore, every patient with dyspnea should have at least a little bit of oxygen delivered through a nasal cannula regardless of their oxygen saturation (sometimes endlessly).  Because of the ubiquitous nature of oxygen therapy, why not?  It helps many patients, and it makes s........ Read more »

  • September 7, 2010
  • 11:47 PM

The World of Tractography Where The White Matter Tracts Appear Colored

by Amiya Kumar Sarkar in Physiology physics woven fine

White matter tractography, a relatively new MRI based technique, can delineate fiber tracts and assist in surgical planning and research.... Read more »

  • September 7, 2010
  • 11:37 PM

Why Are There No 400 Year Old Humans?

by Reason in Fight Aging!

Science is as much about investigating what we do not see as it is about investigating what we do see. For example, from a recent open access paper: Small rodents in captivity routinely reach ten times their mean life span in the wild. Why is it then that in human populations with an average life span of 40 to 80 years nobody has ever lived to 400 years old or more? This is a fine and valid question. Why do we see little variation in human life span in comparison to that of smaller and more shor........ Read more »

  • September 7, 2010
  • 11:11 PM

Ocean of Pseudoscience: “Voracious Beyond Belief”

by Chuck in Ya Like Dags?

I’ll write my first epic Ocean of Pseudoscience post by touching on a subject near and dear to my small shark-loving heart, and in fact it’s the focus of my thesis research.  Ask any commercial fisherman (and even some scientists) … Continue reading →... Read more »

Richard J. Beamish, Barbara L. Thomson, & Gordan A. McFarlane. (1992) Spiny dogfish predation on chinook and coho salmon and the potential effects on hatchery-produced salmon. Transactions of the American Fisheries Society, 444-455. info:/

  • September 7, 2010
  • 10:37 PM

Relating BPA in urine to exposure doses

by Ashartus in exposure/effect

A couple of weeks ago I discussed measurement of chemicals in blood and urine and what it actual means; as part of the post I did a quick “back of the envelope” calculation to relate the BPA (bisphenol A) concentrations in urine that had the media so worked up to estimated exposure doses and what [...]... Read more »

Krishnan, K., Gagné, M., Nong, A., Aylward, L., & Hays, S. (2010) Biomonitoring Equivalents for bisphenol A (BPA). Regulatory Toxicology and Pharmacology, 58(1), 18-24. DOI: 10.1016/j.yrtph.2010.06.005  

  • September 7, 2010
  • 09:30 PM

Antibiotic beer, as drunk by the ancient Nubians

by Captain Skellett in A Schooner of Science

Today’s schooner of science is literally science in a schooner. Plus it comes with a new career path – bioarcheologist, expert in ancient diets. George Armelagos is the bioarcheologist in question, and he’d been studying the ancient Nubians who lived just south of ancient Egypt in present-day Sudan. George was looking at some bones and [...]... Read more »

  • September 7, 2010
  • 08:44 PM

Linking Research and Practice in Science Teaching

by Jack Hassard in The Art of Teaching Science

For many years I was fortunate to conduct seminars for the Bureau of Research in Education (BER), an organization that provides staff development and training resources for educators in North America.  One of the principles that provided the framework for the seminars that I did, and others that the BER offers is the link between [...]

Related posts:Time to Review Online: National Research Council Framework for Science Education
Humanizing Science Teacher Education
Engineering as a Way to Hum........ Read more »

  • September 7, 2010
  • 08:41 PM

Review: Brain damage and ordering of panels in comic strips

by Neil Cohn in The Visual Linguist

I recently reviewed an older study of brain damaged individual's comprehension of final-panel jokes in comic strips. Here's another paper that explores brain damage and the ordering of panels in sequences.Participants were asked to arrange scrambled parts of a story into their accurate order, and the authors compared the abilities of numerous types of brain damaged patients. Participants ... Read more »

  • September 7, 2010
  • 07:50 PM

Detecting Explosives with Nematodes

by Michael Long in Phased

Stephen Trowell (Commonwealth Scientific and Industrial Research Organization Entomology and Food Futures Flagship, Australia) and coworkers have shown that nematodes exhibit a selective positive chemotaxis response to airborne cyclohexanone, a solvent present in some explosives, in at least the low parts per million range. This news feature was written on September 7, 2010.... Read more »

  • September 7, 2010
  • 07:05 PM

Follow the Leader, A Pigeon’s Game of Confidence

by Michael Gutbrod in A Scientific Nature

Leadership.  It’s a skill asked for in job interviews, school applications, and our everyday lives.  For example, we all have a friend who always knows where they are going; even when you think your destination might be in the opposite direction, you usually follow them, right?  Why? Well, most often it is because they seem [...]... Read more »

  • September 7, 2010
  • 06:58 PM

How Christmas Island Red Crabs Fuel Their Migration

by Laura Klappenbach in About Animals / Wildlife

For most of the year, Christmas Island red crabs can be classified as pretty lazy crabs. During the dry season, these small land crabs spend long hours resting in their burrows. They emerge at dawn to feed for about 10 minutes and then return underground to escape the heat of the day. But when the dry season ends and the monsoons turn the island soggy, the crabs abandon their hermitic lifestyle. ...Read Full Post... Read more »

  • September 7, 2010
  • 06:49 PM

…For some reason, you know you want to trust me.

by Rift in Psycasm

[Wherein our hero is AWOL, and you are stuck with me. Enjoy] Rift, your usual publisher is away having people talk about him in another language whilst he desperately tries to understand. Therefore today I will be posting about the simple topic of trust. So sit back, enjoy and trust that I will give you [...]... Read more »

Campbell A. (2010) Oxytocin and human social behavior. Personality and social psychology review : an official journal of the Society for Personality and Social Psychology, Inc, 14(3), 281-95. PMID: 20435805  

Rehman SU, Nietert PJ, Cope DW, & Kilpatrick AO. (2005) What to wear today? Effect of doctor's attire on the trust and confidence of patients. The American journal of medicine, 118(11), 1279-86. PMID: 16271913  

  • September 7, 2010
  • 05:22 PM

Inadequate needle thoracostomy rate in the prehospital setting for presumed pneumothorax: an ultrasound study – abstract

by Rogue Medic in Rogue Medic

This is only based on the limited information in an abstract, but it does raise some important questions about when and why we needle decompress someone with a suspected tension pneumotorax.... Read more »

Blaivas M. (2010) Inadequate needle thoracostomy rate in the prehospital setting for presumed pneumothorax: an ultrasound study. Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine, 29(9), 1285-9. PMID: 20733183  

  • September 7, 2010
  • 03:29 PM

Perfectionism as a Risk Factor for Anorexia Nervosa

by William Yates, M.D. in Brain Posts

Temperament is generally defined as innate early emotional and behavioral characteristics that precede puberty and adult development.  Felt to have significant genetic components, temperament is also potentially influenced by environmental factors. There are a variety of temperament domains that have received significant attention in childhood, adolescent and adult populations.  Some of the most commonly studied domains include:neuroticismharm avoidancenovelty seekingreward depend........ Read more »

Wade TD, Tiggemann M, Bulik CM, Fairburn CG, Wray NR, & Martin NG. (2008) Shared temperament risk factors for anorexia nervosa: a twin study. Psychosomatic medicine, 70(2), 239-44. PMID: 18158375  

  • September 7, 2010
  • 02:32 PM

Studying Streptococcus - SGM series

by Lab Rat in Lab Rat

The fourth post now in the SGM series, and this one focuses on Streptococci. Streptococci are a genus of spherical Gram-positive bacteria containing both pathogenic and harmless strains, including the flesh-eating bacteria (which cause the delightfully named necrotizing fasciitis) as well as bacteria responsible for making swiss cheese. Commensally they are found on many parts of the human body, including the mouth, skin, intestine, and upper respiratory tract .Streptococcus - growth and divisi........ Read more »

  • September 7, 2010
  • 01:13 PM

Standard Cosmology Theory Is Confirmed By ACT For Smallest Scales In The Universe.

by Joseph Smidt in The Eternal Universe

It never ceases to amaze me how well standard cosmology theory fits the ever increasing amount of data with precision. The results just released from the Atacama Cosmology Telescope (ACT) confirm that, even on the smallest scales, the predictions of the Lambda CDM universe preceded by an epic of inflation are correct.  This study extracts data for L modes of The CMB between 500 and 10,000.  (For

... Read more »

  • September 7, 2010
  • 01:07 PM

Do the Health Benefits of Cycling Outweigh the Risks?

by Travis Saunders, MSc, CEP in Obesity Panacea

Regular readers of Obesity Panacea will know that I am a huge fan of active transportation, which entails commuting via active means (e.g. walking, cycling, or taking public transit rather than driving). But when I talk with my friends about the many health and societal benefits of active commuting by bicycle, they almost always bring up the fact that they value their lives too much to risk cycling on busy city streets. This is obviously not a trivial concern – here in Ottawa there were thre........ Read more »

Johan de Hartog J, Boogaard H, Nijland H, & Hoek G. (2010) Do the health benefits of cycling outweigh the risks?. Environmental health perspectives, 118(8), 1109-16. PMID: 20587380  

  • September 7, 2010
  • 12:30 PM

Bone-eating worms and contorted creationist thinking

by Southern Fried Scientist in Southern Fried Science

I tend to avoid the creationist blogs. Every time I get sucked into that vortex of pseudoscience, I find the exact same debunked claims that were bunk when I was 12. There are better bloggers out there who have the energy and patience to systematically dissect the same tired old rubbish day after day, but I’m [...]... Read more »

Jones WJ, Johnson SB, Rouse GW, & Vrijenhoek RC. (2008) Marine worms (genus Osedax) colonize cow bones. Proceedings. Biological sciences / The Royal Society, 275(1633), 387-91. PMID: 18077256  

Rouse, G., Wilson, N., Goffredi, S., Johnson, S., Smart, T., Widmer, C., Young, C., & Vrijenhoek, R. (2008) Spawning and development in Osedax boneworms (Siboglinidae, Annelida). Marine Biology, 156(3), 395-405. DOI: 10.1007/s00227-008-1091-z  

Vrijenhoek, R., Collins, P., & Van Dover, C. (2008) Bone-eating marine worms: habitat specialists or generalists?. Proceedings of the Royal Society B: Biological Sciences, 275(1646), 1963-1964. DOI: 10.1098/rspb.2008.0350  

Glover AG, Kemp KM, Smith CR, & Dahlgren TG. (2008) On the role of bone-eating worms in the degradation of marine vertebrate remains. Proceedings. Biological sciences / The Royal Society, 275(1646), 1959. PMID: 18505721  

Haag, A. (2005) Marine biology: Whale fall. Nature, 433(7026), 566-567. DOI: 10.1038/433566a  

Goffredi SK, Orphan VJ, Rouse GW, Jahnke L, Embaye T, Turk K, Lee R, & Vrijenhoek RC. (2005) Evolutionary innovation: a bone-eating marine symbiosis. Environmental microbiology, 7(9), 1369-78. PMID: 16104860  

Kiel, S., Goedert, J., Kahl, W., & Rouse, G. (2010) Fossil traces of the bone-eating worm Osedax in early Oligocene whale bones. Proceedings of the National Academy of Sciences, 107(19), 8656-8659. DOI: 10.1073/pnas.1002014107  

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