128 posts · 135,019 views
A science blog from award-winning science writer David Bradley covering everything from astronomy to zoology by way of bio, chemistry, nano and physics
Yellow and black bile were considered by the ancients as two of the four vital humours of the human body along with phlegm and blood. Ancient and mediaeval Greco-Roman alternative medicine. Imbalances in these humours caused illness. The Greek names for the terms gave rise to the words “choler” (bile) [the prefix in cholesterol, of [...]Post from: Sciencebase Science Blog... Read more »
Iola F. Duarte, Cristina Legido-Quigley, David A. Parker, Jonathan R. Swann, Manfred Spraul, Ulrich Braumann, Ana M. Gil, Elaine Holmes, Jeremy K. Nicholson, Gerard M. Murphy.... (2009) Identification of metabolites in human hepatic bile using 800 MHz 1H NMR spectroscopy, HPLC-NMR/MS and UPLC-MS. Molecular BioSystems. DOI: 10.1039/b814426e
A radical plan to curb global warming and apparently reverse climate change caused by our rampant burning of fossil fuels since the industrial revolution would involve simply covering large areas of the world’s deserts with reflective sheeting.
The idea is discussed in detail in the January issue of the International Journal of Global Environmental Issues and [...]
Reflecting on Climate Change... Read more »
Takayuki Toyama, & Alan Stainer. (2009) Cosmic Heat Emission concept to 'stop' global warming. International Journal of Global Environmental Issues, 9(1/2), 151. DOI: 10.1504/IJGENVI.2009.022093
The Elucian Islands in the virtual online world known as Second Life are to host a climate change conference. Speakers will present live from Imperial College London and Stanford University in California, and researchers and university students will attend from the UK and the United States.
However, another climate change conference with a difference also begins [...]... Read more »
Stuart J. Barnes. (2009) Strength of religious faith, trusting beliefs and their role in technology acceptance . International Journal of Innovation and Learning, 6(1), 110-126.
I recently wrote about how social media might help scientists do their work, so a paper in IJWBS on how those on the receiving end of medical science - patients and healthcare practitioners - might benefit from web 2.0 caught my eye.
IT specialist and disability consultant Maire Heikkinen of University of Tampere, Finland, has focused [...]... Read more »
Maire Heikkinen. (2009) Power and support from the net: usability and sociability on an internet-based rehabilitation course for people with multiple sclerosis. IInt. J. Web Based Communities, 5(1), 83-104.
Radiological health expert Daniel Hayes who works at the New York City Department of Health and Mental Hygiene recent published on the subject of low dose radiation and the possibility that a form of vitamin D could be the key to protecting us from background radiation and perhaps save lives following a nuclear incident or [...]... Read more »
Daniel P. Hayes. (2008) The protection afforded by vitamin D against low radiation damage. International Journal of Low Radiation, 5(4), 368. DOI: 10.1504/IJLR.2008.020980
Professors the world over are worried about plagiarism: students simply lifting huge chunks from web pages and passing the thoughts and arguments off as their own. Then there are the Professors who steal from each other and publish their work in supposedly novel research papers and books and present it at conferences as original. This [...]... Read more »
Ameera Jadalla, & Ashraf Elnagar. (2008) PDE4Java: Plagiarism Detection Engine for Java source code: a clustering approach. International Journal of Business Intelligence and Data Mining, 3(2), 121. DOI: 10.1504/IJBIDM.2008.020514
Who hasn’t received a spam email with some kind of clause laying claim to compliance with the CAN-SPAM Act of 2003? They usually say something about the message being anything but spam. But, it quickly becomes obvious, if you actually waste the time to read the content, that it is a generic marketing message for [...]... Read more »
Petur O. Jonsson. (2009) The economics of spam and the context and aftermath of the CAN-SPAM Act of 2003. International Journal of Liability and Scientific Enquiry, 2(1), 40-52.
Rather than designing and building new instrumentation from bespoke components, researchers in Canada have turned to the laser-based optical read-write technology of DVD and CD players to create a biomedical diagnostics system that requires no hardware modifications.... Read more »
Yunchao Li, Lily M. L. Ou, & Hua-Zhong Yu. (2008) Digitized Molecular Diagnostics: Reading Disk-Based Bioassays with Standard Computer Drives. Analytical Chemistry, 80(21), 8216-8223. DOI: 10.1021/ac8012434
History teachers can always turn to the significant figures and battles to enliven their lessons, biology education has the enormously diverse range of species to point to, and even physics can pull in metaphors and anecdotes for the more esoteric aspects, try teaching gravity without mentioning Galileo and the Leaning Tower of Pisa. But, teachers [...]... Read more »
Ayurvedic medicines can contain dangerous quantities of heavy metals, including lead, mercury, thallium and arsenic, clinical toxicologists in London have warned. Writing in the International Journal of Environment and Health, they suggest that recent European legislation aimed at improving safety of shop-bought products will have little impact on medicines prescribed by traditional practitioners, imported personally [...]... Read more »
Paul I. Dargan, Indika B. Gawarammana, John R.H. Archer, Ivan M. House, Debbie Shaw, & David M. Wood. (2008) Heavy metal poisoning from Ayurvedic traditional medicines: an emerging problem?. International Journal of Environment and Health, 2(3/4), 463-474.
There is much talk about Open Access. There are those in academia who argue the pros extensively in all fields, biology, chemistry, computing. Protagonists are making massive efforts to convert users to this essentially non-commercial form of information and knowledge.
Conversely, there are those in the commercial world who ask, who will pay for OA endeavours [...]... Read more »
Williams E. Nwagwu, & Allam Ahmed. (2009) Building open access in Africa. International Journal of Technology Management, 45(1/2), 82-101.
Researchers at the Gladstone Institute of Neurological Disease at the University of California San Francisco have found that removing a brain enzyme that regulates the concentration of arachidonic acid, a fatty acid, reduces cognitive deficits in a mouse model of Alzheimer's disease (AD). The discovery, reported in Nature Neuroscience, may one day lead to a novel therapeutic strategy for the disease.... Read more »
Rene O Sanchez-Mejia, John W Newman, Sandy Toh, Gui-Qiu Yu, Yungui Zhou, Brian Halabisky, Moustapha Cissé, Kimberly Scearce-Levie, Irene H Cheng, Li Gan.... (2008) Phospholipase A2 reduction ameliorates cognitive deficits in a mouse model of Alzheimer's disease. Nature Neuroscience. DOI: 10.1038/nn.2213
Defining chemical definitions - Chemists Catherine Castillo-Colaux and Alain Krief of the University Notre-Dame de la Paix, Namur, Belgium, describe the different stages involved in the collaborative construction of an organic chemical ontology - a glossary of definitions and relationships - by chemists. Writing in the International Journal of Knowledge and Learning, they reveal their experiences, as chemists as opposed to computer scientists, in learning how to build a collaborative ontology and how to use the ontology software to do so. In so doing they show how chemists can work together on essentially computer science projects that benefit the chemistry community.... Read more »
Catherine Castillo Colaux, & Alain Krief. (2008) Protocols for building an organic chemical ontology. International Journal of Knowledge and Learning, 4(2/3), 152. DOI: 10.1504/IJKL.2008.020652
We are, the media tells us, either on the verge or diving head first into a global recession the likes of which we have never seen. Countless financial headlines have screamed Credit Crunch, which sadly isn’t a wholegrain breakfast cereal for day-traders, for a year now. Banks are borrowing billions from taxpayers to allow them [...]... Read more »
Jenifer Piesse, & Colin Thirtle. (2008) Genetically modified crops, factor endowments, biased technological change, wages and poverty reduction. International Journal of Biotechnology, 10(2/3), 184. DOI: 10.1504/IJBT.2008.018354
A $2 egg-beater could save lives in developing countries, according to a report from the UK’s Royal Society of Chemistry. A piece of inexpensive plastic tubing taped to a handheld egg-whisk could be used as an ad hoc centrifuge for separating out blood plasma in a matter of minutes and allow life-saving diagnostic medical tests to be carried out much faster and at far less cost than with conventional lab-based centrifuge equipment.... Read more »
Amy P. Wong, Malancha Gupta, Sergey S. Shevkoplyas, & George M. Whitesides. (2008) Egg beater as centrifuge: isolating human blood plasma from whole blood in resource-poor settings. Lab on a Chip. DOI: 10.1039/b809830c
Most internet users will be unaware and unconcerned by the computer science and technology that underpins their daily web surfing, emails, chats, and Twitter updates. But, there are, of course, thousands of incredibly bright people working behind the scenes to make the internet work. One aspect of the backroom work that goes on, is the [...]... Read more »
Gossip and rumours, they are the life force of cultural interaction. Just ask Guy Kawasaki, whose Truemors.com website took off last year, the hundreds of hacks who peddle the minutiae of celebrity lifestyles complete with the Photoshopped products of the paparazzi, or Perez Hilton. But, there is a serious side to rumours. In the midst [...]... Read more »
why do leaves turn red in the fall? It's all down to chemistry. Red pigments known as anthocyanins form in leaves from many plant and tree species at the same time as the green photosynthetic apparatus is dismantled by the plant. New research in PNAS this week explains abscission - the how and when of leaf fall.... Read more »
S. K. Cho, C. T. Larue, D. Chevalier, H. Wang, T.-L. Jinn, S. Zhang, & J. C. Walker. (2008) Regulation of floral organ abscission in Arabidopsis thaliana. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0805539105
Chernobyl. The very name strikes fear into the hearts of those who hate everything about the nuclear industry. It conjures up images of an archaic, burning industrial site spewing out lethal fumes, of farm animals dying of radiation poisoning in their thousands and contaminated meat, of ecosystems devastated, and of people with radiation sickness and [...]... Read more »
Young Woo Jin, Meeseon Jeong, Kieun Moon, Kwang Hee Yang, Byung Il Lee, Hun Baek, Sang Gu Lee, & Chong Soon Kim. (2008) Health effects 20 years after the Chernobyl accident. International Journal of Low Radiation, 5(3), 263. DOI: 10.1504/IJLR.2008.020255
Ultimately, the only truly safe sex is that practised alone or not practiced at all, oh, and perhaps cybersex. However, that said, even these have issues associated with eyesight compromise (allegedly), repetitive strain injury (RSI) and even electrocution in extreme cases of online interactions (you could spill your Mountain Dew on your laptop, after all). [...]... Read more »
Courtney D. Corley, Armin R. Mikler, Diane J. Cook, Karan P. Singh. (2008) Dynamic intimate contact social networks and epidemic interventions. International Journal of Functional Informatics and Personalised Medicine, 1(2), 171-188. DOI: http://www.inderscience.com/search/index.php?action
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