Post List

  • November 4, 2009
  • 06:59 AM

Changing patterns of investment in biofuels

by Ciaran O'Neill in Biotechnology for Biofuels

The research and development of biofuels is beginning to attract investment from large international companies, including those traditionally associated with their fossil fuel predecessors.

A series of news articles published in Nature evaluate recent shifts in interest and investment in jatropha and algae as biofuel feedstocks, as well as techniques to produce cellulosic ethanol and liquid fuel directly from biomass (content requires subscription or payment).
With the announcement this........ Read more »

  • November 4, 2009
  • 04:53 AM

CCTV cameras don't reassure, they frighten

by BPS Research Digest in BPS Research Digest

People are no more fearful of crossing a street with a young male skinhead in it than they are a street with a smartly dressed woman present, unless, that is, a CCTV camera is overhead. The new finding appears to undermine one of the key justifications for Britain's network of 4.2 million surveillance cameras: that they provide reassurance to the public. It seems that the sight of a CCTV camera can have the opposite effect, cueing the perception of a threat. Dave Williams and Jobuda Ahmed presen........ Read more »

  • November 4, 2009
  • 03:38 AM

Graph Theory to the rescue

by Jan Husdal in

Graph Theory. In Supply Chain Management? In this paper, graph theory is used to model interactions between supply chain vulnerability drivers and to calculate a supply chain vulnerability index. That is a novel approach, but does it work?... Read more »

  • November 4, 2009
  • 02:41 AM

Insomnia and Depression

by Dr Shock in Dr Shock MD PhD

patients with depression often complain of difficulty getting to sleep, frequent awakenings during the night, early morning awakening, or nonrestorative sleep
patients with mood disorders exhibit higher rates of sleep disturbance than the general population, and sleep disturbance can continue even during periods of remission
patients with insomnia are up to 10 times more likely to have [...]

Related posts:Winter Depression Or Seasonal Affective Disorder It’s the time of year again, th........ Read more »

BENCA, R., & PETERSON, M. (2008) Insomnia and depression. Sleep Medicine. DOI: 10.1016/S1389-9457(08)70010-8  

Holshoe, J. (2009) Antidepressants and Sleep: A Review. Perspectives in Psychiatric Care, 45(3), 191-197. DOI: 10.1111/j.1744-6163.2009.00221.x  

  • November 3, 2009
  • 11:21 PM

Building a Religion: The Rock Art Evidence

by teofilo in Gambler's House

The idea that the kachina cult was not an indigenous development among the Pueblos but was instead introduced from the south seems to have originated with a 1974 article by Polly and Curtis Schaafsma.  As they note, while some previous scholars had noted some elements of the cult that suggested Mesoamerican influence, the general consensus [...]... Read more »

  • November 3, 2009
  • 08:38 PM

Endangered Birds Share Traits with Extinct Species

by Scott A. in JournOwl

There’s an old adage that pops up all the time not just in reference to conservation, but in the subject area of “you name it.”  And for this very reason it has become quite ubiquitous.  It goes something like “Those who do not study history are doomed to repeat it” or some variation there in [...]... Read more »

  • November 3, 2009
  • 03:26 PM

Fish migrate to escape climate change

by Katie Kline in EcoTone

A study out today in the journal Marine Ecology Progress Series shows that global warming could have a major effect on the fishing industry by forcing large fish populations from their original habitats. About half of the fish stocks studied in the Atlantic ocean, many of them commercially valuable species, have shifted northward over the [...]

... Read more »

  • November 3, 2009
  • 02:34 PM

Anime film characters: Do we perceive the intended race, or our own?

by Dave Munger in Cognitive Daily

One of my favorite cartoons as a child was "Speed Racer." It featured an all-American boy (first name, "Speed," last name, "Racer") engaging in that most American of pastimes: driving fast cars. Except that "Speed Racer" wasn't really American; it was made in Japan, and the original Japanese voices were crudely overdubbed in English. Perhaps I can be excused for not noticing the Japanese origins of the show -- I was only 10 years old. Even now, as an ........ Read more »

  • November 3, 2009
  • 09:54 AM

Components of green tea interfere with the physiologic role of the native prion protein and its conversion into the pathologic prion protein

by Brian Appleby in CJD Blogger

As I continue to catch up on my articles, this post is about an article by Rambold and colleagues that was published in the Journal of Neurochemistry.  The researchers’ study was designed to identify compounds that would interfere with the propagation of the pathologic prion protein.  The two compounds investigated in the present article were the main components of green tea, epigallocatechin gallate (EGCG) and gallocatechin gallate (GCG).  This was an in vitro study that us........ Read more »

Rambold, A., Miesbauer, M., Olschewski, D., Seidel, R., Riemer, C., Smale, L., Brumm, L., Levy, M., Gazit, E., Oesterhelt, D.... (2008) Green tea extracts interfere with the stress-protective activity of PrP and the formation of PrP . Journal of Neurochemistry, 107(1), 218-229. DOI: 10.1111/j.1471-4159.2008.05611.x  

  • November 3, 2009
  • 08:00 AM

The danger of restoring native plants using non-local sources

by Rob Goldstein in Conservation Maven

A new study on ecological restoration efforts in Minnesota illustrates the dangers of establishing native plant species using non-local sources.

For the last 30 years, organizations and landowners have been working to restore native vegetation to dunes at Park Point along the western shore of Lake Superior. At first glance, it might not seem like such a big deal that these projects have been planting American beachgrass in Minnesota using propagules from source populations in Michigan.

But........ Read more »

  • November 3, 2009
  • 07:38 AM

More on microRNAs and why cancer spreads

by Avril in Understanding Cancer

This is another geeky post.  If you are currently having treatment for cancer the research described in this post will not alter your treatment as this work is being carried out in cells in a laboratory (and not in people) but it is very interesting and will hopefully be used to design new treatments in [...]... Read more »

Valastyan S, Reinhardt F, Benaich N, Calogrias D, Szász AM, Wang ZC, Brock JE, Richardson AL, & Weinberg RA. (2009) A pleiotropically acting microRNA, miR-31, inhibits breast cancer metastasis. Cell, 137(6), 1032-46. PMID: 19524507  

  • November 3, 2009
  • 07:13 AM

How do birds sense the Earth’s magnetic field?

by Kubke in Building Blogs of Science

If there is a physical property in the world that provides useful information, chances are that at least some animals will have evolved a sensory system to exploit it. The Earth’s magnetic field is no exception: it provides useful and reliable information to navigate the globe. There has been extensive research into whether and how animals may use the magnetic field for navigation, and although most agree that it is being used, the nature of how this information is processed can still be a........ Read more »

Zapka M, Heyers D, Hein CM, Engels S, Schneider NL, Hans J, Weiler S, Dreyer D, Kishkinev D, Wild JM.... (2009) Visual but not trigeminal mediation of magnetic compass information in a migratory bird. Nature, 461(7268), 1274-7. PMID: 19865170  

  • November 3, 2009
  • 07:00 AM

Why So Serious About The Self?

by Shaheen Lakhan in Brain Blogger

You have seen movies in which characters have acted violently. Many times, these characters also have a mental illness. Violence is one common stereotype of psychological disorders, along with rebellion and child-like behavior. In The Dark Knightand Me, Myself, and Irene, a character has multiple personality disorder, which is said to cause demonic or mean [...]... Read more »

  • November 3, 2009
  • 03:57 AM

Supply Chain Flexibility in Strategic Networks

by Jan Husdal in

A supply chain as a virtual enterprise network. That is the underlying reasoning in the 2009 paper How to improve supply chain flexibility using strategic supply chain networks by Herwig Winkler. Virtual Enterprise Networks do not play a major role in this paper, but what fascinates me are (1) the parameters defining supply chain flexibility: Transparency, Simplicity, Responsiveness/Agility and Security/Reliability, and (2) flexibility potentials: Structural, Technological and Human flexibility ........ Read more »

  • November 3, 2009
  • 02:39 AM

Sleep Changes with Aging

by Dr Shock in Dr Shock MD PhD

Aging is associated with well described changing in sleep patterns.

Total sleep time decreases, elderly sleep less
It takes longer before falling a sleep
Elderly go to bed earlier and they awake earlier
There sleep architecture has changed, the slow wave sleep on EEG is reduced, REM sleep is reduced
They’re easier aroused from sleep
They sleep fragmented with many arousals
Daytime [...]

No related posts.

Related posts brought to you by Yet Another Related Posts Plugin.... Read more »

Wolkove, N., Elkholy, O., Baltzan, M., & Palayew, M. (2007) Sleep and aging: 1. Sleep disorders commonly found in older people. Canadian Medical Association Journal, 176(9), 1299-1304. DOI: 10.1503/cmaj.060792  

Wolkove, N., Elkholy, O., Baltzan, M., & Palayew, M. (2007) Sleep and aging: 2. Management of sleep disorders in older people. Canadian Medical Association Journal, 176(10), 1449-1454. DOI: 10.1503/cmaj.070335  

  • November 2, 2009
  • 08:37 PM

Hot News: Curry, Curcumin, Cancer & Cure

by Laika in Laika's Medliblog

*Hot* News via Twitter and various news media a few days ago. Big headlines tell the following in respectively The Sun, Herald, Ireland, BBC News / NHS Health and Reuters:
Curry is a ‘cure for cancer‘
Spices in curry may help cure cancer
Curry spice ‘kills cancer cells‘
Scientists say curry compound kills cancer cells
The message of these headlines [...]... Read more »

  • November 2, 2009
  • 06:44 PM

Frog Fiction?

by Journal Watch Online in Journal Watch Online

Amphibians may not be ‘canaries in a coal mine’ after all

... Read more »

  • November 2, 2009
  • 05:30 PM

Being older is a good defense against 2009 H1N1 influenza virus

by Vincent Racaniello in virology blog

Why is the incidence of infection with 2009 H1N1 influenza highest among 5-24 year olds, and lowest in those over 65 years of age? Were the oldsters previously infected with a related influenza virus, or is there another explanation?... Read more »

  • November 2, 2009
  • 05:05 PM

A layman’s experience of CJD research

by Brian Appleby in CJD Blogger

I happened across a nice little editorial that was published last year in the British Medical Journal that I am saddened to have not seen sooner.  It is a piece written by a father of a 25-year-old who died of variant Creutzfeldt-Jakob disease (vCJD).  In this short piece, he describes his experience of being involved in several advisory committees on the treatment of human prion diseases as a layperson.  I would like to highlight a few of his comments. First, he was surprised to........ Read more »

  • November 2, 2009
  • 01:54 PM

Sans Fards

by Wayne Hooke in The Psychology of Beauty

French Elle’s April 2009 edition highlighted make-up free beauty. Given the social effects of the “perfectly” beautiful images in contemporary media, Elle’s edition is noteworthy. Three covers were used – the crop below right is of the one featuring Monica Bellucci. The photo above right is from Wikipedia Commons – showing Ms. Bellucci in make-up. [...]... Read more »

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