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128 posts · 142,846 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

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  • October 13, 2009
  • 08:00 AM
  • 948 views

Metal Bottle Tops and Landfill Mining

by sciencebase in Sciencebase Science Blog






Reduce, re-use, and recycle. Just one of the countless mantras of the twenty-first century that we are told will save the planet. Of course, my grandmother used to put it far more succinctly and in a much more accessible form: waste not, want not.
Now, we have carbon footprints, emissions targets, and landfill directives, that are [...]Metal Bottle Tops and Landfill Mining is a post from: Sciencebase Science Blog
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Mahmoud A. Rabah. (2009) Recovery of aluminium alloys and some valuable salts from spent bottle covers. Int. J. Environment and Waste Management, 5(1/2), 194-210. info:/

  • October 7, 2009
  • 04:00 PM
  • 888 views

Gen-F Scientists Ignoring Social Networking

by sciencebase in Sciencebase Science Blog






A quick analysis of online social networks, such as LinkedIn and Xing would suggest that a mere 1 in 7 research scientists use such tools as part of their work. This contrasts starkly with the business world where uptake is up to 88%. In other words almost 9 out of every ten employees in the [...]Gen-F Scientists Ignoring Social Networking is a post from: Sciencebase Science Blog
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  • September 28, 2009
  • 04:00 PM
  • 998 views

microRNAs

by sciencebase in Sciencebase Science Blog






Until 2001, few people had heard the term micro ribonucleic acids, but these little chunks of nucleic acid, just 21 to 23 bases long, have been conserved throughout evolution. They don’t code for proteins, but they do seem to be involved in the regulation of immunity, the development and differentiation of immune cells, antibody production [...]microRNAs is a post from: Sciencebase Science Blog
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Virendra S. Gomase, & and Akshay N. Parundekar. (2009) microRNA: human disease and development. Int. J. Bioinformatics Research and Applications, 5(5), 479-500. info:/

  • September 23, 2009
  • 04:00 PM
  • 834 views

Treating the Obesity Epidemic

by sciencebase in Sciencebase Science Blog






Drugmaker Vivus saw its experimental weight-loss medication, Qnexa, pass two Phase III clinical trials C&EN reported on September 10, and the company’s share price skyrocket.
The rewards of developing a safe and effective anti-obesity medication will be in the tens of billions of dollars, according to Bloomberg. Of course, such apparent breakthroughs are going to hit [...]Treating the Obesity Epidemic is a post from: Sciencebase Science Blog
... Read more »

Andreas G. Anastasiou, & Athanasios Anastasiou. (2009) The effects of current dietary trends and consumption patterns on health: evidence from the UK. Int. J. Behavioural and Healthcare Research, 1(3), 318-333. info:/

  • September 7, 2009
  • 08:00 AM
  • 1,026 views

50 Million Chemicals and Counting

by sciencebase in Sciencebase Science Blog






Chemical Abstracts Service (CAS) will announce the 50 millionth registered chemical substance in its Registry, tomorrow (8th September).
According to the email I received from a CAS spokesman, “The number itself represents an important milestone both for researchers and CAS, but even more significant is the pace of scientific discovery around the world.” Roger Schenck, Manager [...]50 Million Chemicals and Counting is a post from: Sciencebase Science Blog
... Read more »

Lipkus, A., Yuan, Q., Lucas, K., Funk, S., Bartelt, W., Schenck, R., & Trippe, A. (2008) Structural Diversity of Organic Chemistry. A Scaffold Analysis of the CAS Registry. The Journal of Organic Chemistry, 73(12), 4443-4451. DOI: 10.1021/jo8001276  

  • September 2, 2009
  • 08:00 AM
  • 1,233 views

Biofuels vs Fossil Fuels

by sciencebase in Sciencebase Science Blog






Biofuels are not much better than fossil fuels in terms of the impact on atmospheric pollution levels and effects on climate change, according to Mark Jacobson professor of civil and environmental engineering at Stanford University. This is especially true when making claims about the sustainability of biofuels in comparison with hydrogen fuel cells and battery-driven [...]Biofuels vs Fossil Fuels is a post from: Sciencebase Science Blog
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Mark Z. Jacobson. (2009) Effects of biofuels vs. other new vehicle technologies on air pollution, global warming, land use and water. International Journal of Biotechnology, 11(1/2), 14-59. info:/

  • August 26, 2009
  • 08:00 AM
  • 865 views

Swine Flu and Glutathione Supplements #flu

by sciencebase in Sciencebase Science Blog






Could a simple dietary change that increases glutathione, or indeed supplementation with this antioxidant tripeptide be all you need to boost your immune system and ward of influenza? Several Sciencebase correspondents and hundreds of “bloggers” selling supplements seem to think so…I’m not so sure.
The results of a small trial published in 1997 suggested that “administration [...]Swine Flu and Glutathione Supplements #flu is a post from: Sciencebase Science Blog
... Read more »

  • August 19, 2009
  • 08:00 AM
  • 1,298 views

Digital Privacy Concerns

by sciencebase in Sciencebase Science Blog






I’ve discussed the risk of losing your job because of blogging previously. Recently though there was a case of summary dismissal by Facebook of a young British woman who debased her employer’s good character via her Wall has gained several column inches in the popular press.
And, of course, we have all heard about the accommodation [...]Digital Privacy Concerns is a post from: Sciencebase Science Blog
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Anagnostou, M., & Lambrou, M. (2009) Privacy now and in the age of ambient intelligence. International Journal of Electronic Security and Digital Forensics, 2(4), 355. DOI: 10.1504/IJESDF.2009.027668  

  • August 17, 2009
  • 08:00 AM
  • 943 views

Unique Urine Fingerprints

by sciencebase in Sciencebase Science Blog






For decades, the word “fingerprint” has been used to denote a set of unique characteristics, whether literally the complex patterns of arches, loops, and whorls on one’s fingertips or entirely figuratively and more recently, the notion of a genetic fingerprint based on an analysis of an individual’s DNA sequence.
Most recently though, scientists have turned to [...]Unique Urine Fingerprints is a post from: Sciencebase Science Blog
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Bernini, P., Bertini, I., Luchinat, C., Nepi, S., Saccenti, E., Schäfer, H., Schütz, B., Spraul, M., & Tenori, L. (2009) Individual Human Phenotypes in Metabolic Space and Time. Journal of Proteome Research, 2147483647. DOI: 10.1021/pr900344m  

  • August 10, 2009
  • 08:00 AM
  • 1,022 views

Ten questions to answer before building your eco-town

by sciencebase in Sciencebase Science Blog






Planning a new city, mapping out a town redevelopment, or simply coming up with a blueprint for an eco site? Matthew Carmona, Professor of Planning & Urban Design at the Bartlett School of Planning, University College London, has ten questions you must answer honestly before digging the first foundations and routing the roads if you [...]Ten questions to answer before building your eco-town is a post from: Sciencebase Science Blog
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Carmona, M. (2009) Sustainable urban design: principles to practice. International Journal of Sustainable Development, 12(1), 48. DOI: 10.1504/IJSD.2009.027528  

  • August 7, 2009
  • 08:00 AM
  • 1,108 views

Shamrock Enzyme Target for New Drugs

by sciencebase in Sciencebase Science Blog






German researchers have used the powerful analytical technique of X-ray diffraction to home in on an important metabolic reaction used by all pathogenic bacteria and the malaria parasite. The detailed structure of the IspH enzyme active site they revealed, which resembles a shamrock in shape, and has an Fe-S cluster at its core, could offer [...]Shamrock Enzyme Target for New Drugs is a post from: Sciencebase Science Blog
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Gräwert, T., Rohdich, F., Span, I., Bacher, A., Eisenreich, W., Eppinger, J., & Groll, M. (2009) Structure of Active IspH Enzyme from Provides Mechanistic Insights into Substrate Reduction . Angewandte Chemie International Edition, 48(31), 5756-5759. DOI: 10.1002/anie.200900548  

  • August 5, 2009
  • 08:00 AM
  • 1,098 views

PLoS ONE Impact Factor and Page Rank

by sciencebase in Sciencebase Science Blog






As far as I am aware, the online, interactive, open access journal PLoS ONE (Public Library of Science ONE), has not yet been given any love by ISI, the Thomson Reuters company that doles out impact factors to journal publishers.
Impact Factor is strange. It shares some of the characteristics with the so-called page rank value [...]PLoS ONE Impact Factor and Page Rank is a post from: Sciencebase Science Blog
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  • July 31, 2009
  • 08:00 AM
  • 961 views

We must stamp our ecological feet

by sciencebase in Sciencebase Science Blog






Sciencebase has been focusing on various environmental and third world problems recently. I say third world, because much of what is euphemistically described as the developing world is sadly not developing at all. If the switch from third to developing has done nothing but salve the conscience of the so-called developed world, then it is, [...]We must stamp our ecological feet is a post from: Sciencebase Science Blog
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Crawford Spence. (2009) Organisational resistance to ecological footprinting . Int. J. Management Concepts and Philosophy, 3(4), 362-377.

  • July 27, 2009
  • 08:00 AM
  • 1,004 views

How Old is Your Heart?

by sciencebase in Sciencebase Science Blog

There are lots of online health tests available, some I’ve reviewed on Sciencebase over the years, such as those that help you answer the question are you at risk of diabetes. Often they are created and publicised by a medical charity, occasionally they are marketing devices posted by companies hoping to sell more of their [...]How Old is Your Heart? is a post from: Sciencebase Science Blog... Read more »

D'Agostino, R., Vasan, R., Pencina, M., Wolf, P., Cobain, M., Massaro, J., & Kannel, W. (2008) General Cardiovascular Risk Profile for Use in Primary Care: The Framingham Heart Study. Circulation, 117(6), 743-753. DOI: 10.1161/CIRCULATIONAHA.107.699579  

  • July 22, 2009
  • 08:00 AM
  • 1,023 views

Counterfeit Drugs

by sciencebase in Sciencebase Science Blog

Digital industries continue to wage an unwinnable war against the people and organisations that illicitly copy, share, and sell their products, whether DVD rips, DRM-free music files, or pirated software. But, while arguments about lost revenues, performing rights, and the rest of it rage, at least digital copyright theft is not usually a matter of [...]%%Counterfeit Drugs%% is a post from: Sciencebase Science Blog... Read more »

  • July 13, 2009
  • 10:00 AM
  • 1,070 views

Cooking up Solar Solutions

by sciencebase in Sciencebase Science Blog

Solar power need not be complicated. Research into complex materials that convert the energy from sunlight into electricity is well underway, but offers only low efficiencies.

In contrast direct heating of water sidesteps the intermediary of converting sunlight into electricity and then using that to power a heating element in a water tank. All you need [...]Post from: Sciencebase Science Blog... Read more »

Nitesh Rathore, & S.K. Shukla. (2009) Experimental investigations and comparison of energy and exergy efficiencies of the box type and Solar Parabolic Cooker. Int. J. Energy Technology and Policy, 7(2), 201-212.

  • July 8, 2009
  • 12:00 PM
  • 1,091 views

The Three A’s of Food Security

by sciencebase in Sciencebase Science Blog

Famine, drought, disease, crop failure, they might afflict any one of us, but in the developing world and on the margins of urbanised regions, the issue of food security is paramount for survival. There are three main factors to consider when one thinks of food security each of which must be addressed to offer a [...]Post from: Sciencebase Science Blog... Read more »

Mieke Faber, Craig Schwabe, & Scott Drimie. (2009) Dietary diversity in relation to other household food security indicators . Int. J. Food Safety, Nutrition and Public Health, 2(1), 1-15.

  • June 22, 2009
  • 08:00 AM
  • 1,175 views

Life (and Death) on the Ocean Wave

by sciencebase in Sciencebase Science Blog

To predict the height of crests and the depths of troughs of ocean waves, scientists can turn to the well-known work of German mathematician and scientist Johann Carl Friedrich Gauss. The so-called Gaussian function provides a mathematical formula from which one can determine the normal distribution of wave heights based on probability theory and statistics.

Gauss [...]Post from: Sciencebase Science Blog... Read more »

Francesco Fedele. (2009) On the statistics of oceanic waves. Int. J. Reliability and Safety, 3(1/2/3), 258-266.

  • June 19, 2009
  • 10:28 AM
  • 1,065 views

Aviation Radiation Redux

by sciencebase in Sciencebase Science Blog

In May, I reported that Russian scientists at the Institute of Theoretical and Experimental Biophysics in Pushchino and the Institute of High-Energy Physics in Protvino, had investigated the chronic effects of the radiation to which we are exposed every time we fly in high altitude aircraft. They wanted to know if any putative damage [...]Post from: Sciencebase Science Blog... Read more »

S. Zaichkina, O. Rozanova, G. Aptikaeva, A. Akhmadieva, H. Smirnova, S. Romanchenko, O. Vakhrusheva, S. Sorokina, A. Dyukina, & V. Peleshko. (2009) Adaptive response and genetic instability induced in mice in vivo by low dose-rate radiation simulating high-altitude flight conditions. Int. J. Low Radiation, 6(1), 28-36.

  • June 5, 2009
  • 08:00 AM
  • 1,076 views

Can Death be Sustainable?

by sciencebase in Sciencebase Science Blog

A case study

Few people like to dwell on the subject of death, but it’s up there alongside taxes with life’s inevitabilities. But, consider it we must, for the sake of the environment.

At some point in our primordial past the dead were left to the scavenging dogs, the vultures, the flies, and the microbes. There were [...]Post from: Sciencebase Science Blog... Read more »

Eva Collins, Kate Kearins, & Helen Tregidga. (2009) Exiting in a State of Grace: can death be sustainable?. Int. J. Sustainable Strategic Management, 1(3), 258-284.

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