We know full well that teachers bring their personal opinions into the classroom even though they’re not really supposed to do that. In some cases, that doesn’t matter. Your beliefs about today’s politics in the Middle East won’t suddenly change the rules of math. However, when it comes to important events in history or disciplines [...]... Read more »
Moore, R., & Cotner, S. (2009) The Creationist Down the Hall: Does It Matter When Teachers Teach Creationism?. BioScience, 59(5), 429-435. DOI: 10.1525/bio.2009.59.5.10
Ever since Darwin, we often think of organisms as being in a constant battle against other organisms and local environments. Thus natural selection and the resulting arms race results in organisms highly adapted to local conditions and against local antagonists. At the same time, and especially driven by theoretical advances in the 1990's, researchers began to ask how dispersal -that is, the flow of genetic material from elsewhere, can disrupt local adaptation. On the one hand it may provide gen........ Read more »
Anderson, J., & Geber, M. (2009) DEMOGRAPHIC SOURCE-SINK DYNAMICS RESTRICT LOCAL ADAPTATION IN ELLIOTT'S BLUEBERRY ( ) . Evolution. DOI: 10.1111/j.1558-5646.2009.00825.x
The restored lower jaw of Afradapis. From the Nature paper.
This past May a 47 million year old fossil primate named Darwinius masillae, better known as "Ida", burst onto the public scene. The lemur-like creature was proclaimed to be the "missing link" and the "ancestor of us all", but the actual science behind Ida was drowned by a tide of media sensationalism. Press releases and documentaries proclaimed that Ida would "CHANGE EVERYTHING", but despite such promises the sky remained blue, m........ Read more »
Seiffert, E., Perry, J., Simons, E., & Boyer, D. (2009) Convergent evolution of anthropoid-like adaptations in Eocene adapiform primates. Nature, 461(7267), 1118-1121. DOI: 10.1038/nature08429
It has long been known that sleep deprivation affects your ability to remember things long term. Yet until now the exact mechanism causing these misplaced memories has been unclear.
The problem had been that the relationship between sleep deprivation and the brain is multi-faceted; it was hard to see the wood from the cerebral trees. [...]... Read more »
Vecsey, C., Baillie, G., Jaganath, D., Havekes, R., Daniels, A., Wimmer, M., Huang, T., Brown, K., Li, X., Descalzi, G.... (2009) Sleep deprivation impairs cAMP signalling in the hippocampus. Nature, 461(7267), 1122-1125. DOI: 10.1038/nature08488
After writing about teams and models and the distinct possibility of talking past each other, I had a very quick search for a paper on teamwork and models this morning, and came across this one by a group of Canadian researchers. It is, like many of these pieces of research into the messy [...]... Read more »
Loisel, P., Falardeau, M., Baril, R., José-Durand, M., Langley, A., Sauvé, S., & Gervais, J. (2005) The values underlying team decision-making in work rehabilitation for musculoskeletal disorders. Disability , 27(10), 561-569. DOI: 10.1080/09638280400018502
If the wife of FBI boss Robert Mueller has allegedly warned him not to use online banking because his incompetence on the computer could leave them open to online fraud, then is there any hope for protection for the rest of us. This is especially true given the recent news that usernames and passwords for [...]Post from: David Bradley's Sciencetext Tech TalkFirst Online Banking…then what?
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Susan Sproule, & Norm Archer. (2010) Measuring identity theft and identity fraud. Int. J. Business Governance and Ethics, 5(1/2), 51-63. info:/
Northwest forest growth could rise under climate change
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Latta, G., Temesgen, H., Adams, D., & Barrett, T. (2009) Analysis of potential impacts of climate change on forests of the United States Pacific Northwest. Forest Ecology and Management. DOI: 10.1016/j.foreco.2009.09.003
Calcium is the most abundant mineral in the human body, and most of it is found in our bones and teeth. Without this element to form the hard structures of our bodies, life as we know it as mammals would be in peril. We need it for our nerves and muscles to function properly, too. Many people in the United States are deficient in calcium, upwards of 44%, and in the developing world, these numbers are sadly much, much higher. And as we age, we lose more and more calcium from our bones, leading to........ Read more »
I just returned from a week-long scientific mission in China sponsored by the Australian Academy of Science, the Australian Academy of Technological Sciences and Engineering and the Chinese Academy of Sciences. I was invited to attend a special symposium on Marine and Deltaic Systems where research synergies between Australian and Chinese scientists were to be [...]... Read more »
Liu, D., Keesing, J., Xing, Q., & Shi, P. (2009) World’s largest macroalgal bloom caused by expansion of seaweed aquaculture in China. Marine Pollution Bulletin, 58(6), 888-895. DOI: 10.1016/j.marpolbul.2009.01.013
The World Health Organization recently convened a meeting of 100 clinicians, scientists, and public health professionals to discuss the clinical features of pandemic influenza. They concluded that the vast majority of infections with the 2009 H1N1 influenza virus were uncomplicated and are followed by full recovery within 7 days. However, some patients, including children, develop severe, progressive fatal pneumonia. Should we be worried about this pattern of infection?... Read more »
Itoh Y, Shinya K, Kiso M, Watanabe T, Sakoda Y, Hatta M, Muramoto Y, Tamura D, Sakai-Tagawa Y, Noda T.... (2009) In vitro and in vivo characterization of new swine-origin H1N1 influenza viruses. Nature, 460(7258), 1021-5. PMID: 19672242
Maines TR, Jayaraman A, Belser JA, Wadford DA, Pappas C, Zeng H, Gustin KM, Pearce MB, Viswanathan K, Shriver ZH.... (2009) Transmission and pathogenesis of swine-origin 2009 A(H1N1) influenza viruses in ferrets and mice. Science (New York, N.Y.), 325(5939), 484-7. PMID: 19574347
Munster VJ, de Wit E, van den Brand JM, Herfst S, Schrauwen EJ, Bestebroer TM, van de Vijver D, Boucher CA, Koopmans M, Rimmelzwaan GF.... (2009) Pathogenesis and transmission of swine-origin 2009 A(H1N1) influenza virus in ferrets. Science (New York, N.Y.), 325(5939), 481-3. PMID: 19574348
According to my friends over at Fooducate, at this week's American Dietetic Association (ADA) conference there was a talk regarding whether or not we can trust industry sponsored nutrition research. The reason that's in question is because sadly right now there are no guidelines in place to help expose conflict of interest in dietetics. It was the absence of such guidelines which led Marion Nestle in 2001 to write a fascinating journal article about how food company sponsorship impacts on the ........ Read more »
Nestle, M. (2007) Food company sponsorship of nutrition research and professional activities: a conflict of interest?. Public Health Nutrition, 4(05). DOI: 10.1079/PHN2001253
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BOYER, A. (2009) Consistent Ecological Selectivity through Time in Pacific Island Avian Extinctions. Conservation Biology. DOI: 10.1111/j.1523-1739.2009.01341.x
Show one image exclusively to one eye and a different image exclusively to the other eye and rather than experiencing a merging of the images, an observer's percept will flit backwards and forwards randomly and endlessly between the two. This "binocular rivalry", as it's known, has been of particular interest to psychologists because it shows how the same incoming sensory information can give rise to two very different conscious experiences. Now, in a research first, psychologists have shown tha........ Read more »
Zhou, W., & Chen, D. (2009) Binaral Rivalry between the Nostrils and in the Cortex. Current Biology, 19(18), 1561-1565. DOI: 10.1016/j.cub.2009.07.052
Publish or Perish sums up the urgency for scientists to publish in top journals. Scientists work in competitive environments in which publishing is essential to their careers, reputation and research funding. Journal editors and peer reviewers are the ones to judge the manuscripts for quality and safeguard the interests of the readership of the journal.
Related posts:Three Factors to Evaluate the Quality of Medical Websites Medical Content (Adherence, Completeness, References, Upda........ Read more »
Drazen, J., Van Der Weyden, M., Sahni, P., Rosenberg, J., Marusic, A., Laine, C., Kotzin, S., Horton, R., Hebert, P., Haug, C.... (2009) Uniform Format for Disclosure of Competing Interests in ICMJE Journals. New England Journal of Medicine. DOI: 10.1056/nejme0909052
Jefferson, T. (2002) Effects of Editorial Peer Review: A Systematic Review. JAMA: The Journal of the American Medical Association, 287(21), 2784-2786. DOI: 10.1001/jama.287.21.2784
DeMaria, A. (2003) Duplicate publication: insights into the essence of a medical journal. Journal of the American College of Cardiology, 41(3), 516-517. DOI: 10.1016/S0735-1097(03)00002-0
Red may be the literary color of love, but for psychologists red is emerging as the color of male sexual desire, as a recent study finds that the mere presence of red color increases men's perception of women's attractiveness.... Read more »
Elliot, A., & Niesta, D. (2008) Romantic red: Red enhances men's attraction to women. Journal of Personality and Social Psychology, 95(5), 1150-1164. DOI: 10.1037/0022-35126.96.36.1990
Recently we took our hybrid car into the shop for its annual emissions test. In our state, the test is conducted while the car is idling. A hybrid doesn't actually idle -- it shuts the engine off completely. So our car's emissions were tested at 0 RPM. It may be time to rethink our state's emissions laws.
There's another law that might need rethinking in the age of hybrids. Our car's internal combustion engine often doesn't start up even when the car is moving at low speeds -- it uses electric ........ Read more »
What’s grosser than gross? How ‘bout a 100-mile long wad of E. Coli-infested mucus?
(Oh, sorry, did that make you gag? We said it was grosser than gross…)
Mucus wads—also known as mucilages—have been reported in the Mediterranean Sea since at least 1729, but recent research found that the loogies are getting bigger, lasting longer and harboring [...]... Read more »
Danovaro, R., Fonda Umani, S., & Pusceddu, A. (2009) Climate Change and the Potential Spreading of Marine Mucilage and Microbial Pathogens in the Mediterranean Sea. PLoS ONE, 4(9). DOI: 10.1371/journal.pone.0007006
Meralgia Paresthetica like most other neuropathies can purpose a dilemma in diagnosing. Nerves often project arbitrary findings in the examination process. This article discusses a new valid test manual therapist can finally use to help in their diagnosis.... Read more »
A recent paper in PLoS One finds hundreds of new putative transcription start sites (TSS): PLoS ONE: Genome-Wide Identification of Transcription Start Sites, Promoters and Transcription Factor Binding Sites in E. coli. I found the paper interesting, and a good example of how high-throughput studies and genomics can advance our understanding of biology and work in concert with experimental biology, while at the same time dumping a whole lot of new data in our laps.
I’d like to point out so........ Read more »
Mendoza-Vargas, A., Olvera, L., Olvera, M., Grande, R., Vega-Alvarado, L., Taboada, B., Jimenez-Jacinto, V., Salgado, H., Juárez, K., Contreras-Moreira, B.... (2009) Genome-Wide Identification of Transcription Start Sites, Promoters and Transcription Factor Binding Sites in E. coli. PLoS ONE, 4(10). DOI: 10.1371/journal.pone.0007526
THE humble fruit fly (Drosophila melanogaster) has the ability to learn and remember, and to make predictions about the outcome of its behaviours on the basis of past experience. Compared to a human brain, that of the fruit fly is relatively simple, containing approximately 250,000 cells. Even so, little is known about the anatomical basis of memory formation. The neural circuitry underlying memories in these insects has now been dissected. In an elegant new study published in the journal ........ Read more »
Claridge-Chang, A., Roorda, R., Vrontou, E., Sjulson, L., Li, H., Hirsh, J., & Miesenböck, G. (2009) Writing Memories with Light-Addressable Reinforcement Circuitry. Cell, 139(2), 405-415. DOI: 10.1016/j.cell.2009.08.034
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