Last Friday I attended the 30th annual 24-hour book sale at the Regent Theatre, Dunedin, held to raise funds to maintain that glorious old place, all red seating with the lolly-decorated proscenium arch and pillars of an older era. Books are donated, collected and sorted by volunteers and “sold” to the punters.
It starts at noon Friday [...]... Read more »
Michael D. Byrne. (2002) Reading vertical text: rotated vs. marquee. Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, 1633-1635. info:other/
If you're Dr. Kate Jones of the University of Tennessee in Knoxville, the answer is very.Inside of a nucleus, just like for the electrons in an atom, there are discrete energy levels into which the neutrons and protons can arrange themselves. In chemistry, this behavior - in electrons - leads to the periodic table: different elements behave in different ways chemically because of the number of electrons they have. More precisely, what matters is the number of electrons outside of a closed shell......... Read more »
Jones, K., Adekola, A., Bardayan, D., Blackmon, J., Chae, K., Chipps, K., Cizewski, J., Erikson, L., Harlin, C., Hatarik, R.... (2010) The magic nature of 132Sn explored through the single-particle states of 133Sn. Nature, 465(7297), 454-457. DOI: 10.1038/nature09048
This scandal has been reported on several websites: The sharp images from Google Earth clearly shows the North Korean communist dictatorship is logging forest areas in a UN national park. Not only does the megalomaniac Kim Jong-il seek to build a nuclear armament, impoverish his subdued people and occasionally sink South Korean ships – he's also cutting down trees in the fragile, ancient forest ... Read more »
Tang, L., Shao, G., Piao, Z., Dai, L., Jenkins, M., Wang, S., Wu, G., Wu, J., & Zhao, J. (2010) Forest degradation deepens around and within protected areas in East Asia. Biological Conservation, 143(5), 1295-1298. DOI: 10.1016/j.biocon.2010.01.024
Richard Feyman once remarked “if you think you understand quantum mechanics, then you don’t understand quantum mechanics” and virtually every cutting edge experiment in the field seems to prove him right. Well, to be fair, physicists understand quite a bit about quantum mechanics but there are still quite a few mysteries to clarify including that of quantum entanglement. [...]... Read more »
Salart, D., Baas, A., Branciard, C., Gisin, N., & Zbinden, H. (2008) Testing the speed of ‘spooky action at a distance’. Nature, 454(7206), 861-864. DOI: 10.1038/nature07121
Reproduces, with commentary, raw data (in the form of psychological test scores) from a study of emotional self-awareness and its effect on ability to empathize, as well as how both of those factors are affected by autism. Test scores are broken down by subscale, with special attention called to those scores that don't fit the commonly-accepted pattern of diminished empathic ability in autism... Read more »
Silani, G., Bird, G., Brindley, R., Singer, T., Frith, C., & Frith, U. (2007) Levels of emotional awareness and autism: An fMRI study. Social Neuroscience, 3(2), 97-112. DOI: 10.1080/17470910701577020
Egypt should hold a special place in historical plague research. Plague returned to Egypt on a regular basis for at least 1300 years. The first plague pandemic was first reported in Egypt in c. 541 and consistently reappeared through the 19th century. Alan Mikhail's study (1) on 18th century Ottoman Egypt brings up a number of questions on the nature of plague persistence and transmission. Mikhail argues that plague was a regular feature in an environmental pattern of flood, plague, famine ........ Read more »
Buying counterfeits might be cheaper than buying original brand names, but wearing counterfeit products might have a different cost: Your honesty and your perception of other people's honesty...... Read more »
Gino F, Norton MI, & Ariely D. (2010) The counterfeit self: the deceptive costs of faking it. Psychological science : a journal of the American Psychological Society / APS, 21(5), 712-20. PMID: 20483851
What do brains and computer chips have in common? Not that much. Sure both use electricity, but in neurons the origin of electrical pulses is chemical while for computer chips it comes from electrical currents. Neurons are highly plastic, rearranging their connections to adapt to new information while computer chips are locked in their arrangement for their entire existence. But one thing they do share is the pattern of connections in their overall structure, [...]... Read more »
Bassett, D., Greenfield, D., Meyer-Lindenberg, A., Weinberger, D., Moore, S., & Bullmore, E. (2010) Efficient Physical Embedding of Topologically Complex Information Processing Networks in Brains and Computer Circuits. PLoS Computational Biology, 6(4). DOI: 10.1371/journal.pcbi.1000748
Lynden Miles (University of Aberdeen, United Kingdom) and coworkers have added to research on how different neural processes are linked together, useful for understanding certain disorders or injuries of the brain. This news feature was written on May 26, 2010.... Read more »
Miles, L. K., Karpinska, K., Lumsden, J., & Macrae, C. N. (2010) The Meandering Mind: Vection and Mental Time Travel. PLoS ONE, 5(5). DOI: 10.1371/journal.pone.0010825
The median age of death if you are a drug user living in the NW of England in the 21st century is 41.4 years. Just to add a little international colour to that statistic let’s put that in a global context: the life expectancy in Afghanistan is 43.8 years and only one country (out of 195) [...]... Read more »
Beynon C, McVeigh J, Hurst A, & Marr A. (2010) Older and sicker: Changing mortality of drug users in treatment in the North West of England. The International journal on drug policy. PMID: 20172707
Partula spp. from Society Islands. Photo Credit: Marc Agren
In a short, but sweet, paper by Lee et al. published in the Current Biology, there is a “glimmer of hope” for montane tahitian tree snails (Mollusca, Gastropoda, Partulidae, Partula spp.). They examined the mitochondrial haplotype diversity of tree snail specimens locked away [...]... Read more »
LEE, T., BURCH, J., JUNG, Y., COOTE, T., PEARCEKELLY, P., & OFOIGHIL, D. (2007) Tahitian tree snail mitochondrial clades survived recent mass extirpation. Current Biology, 17(13). DOI: 10.1016/j.cub.2007.05.006
Obviously Corporate Strategy should have an effect on the supply chain network design and its parameters. In their exploratory study Demeter, Gelei and Jenei (2006) show two examples of how supply chains are affected by different corporate strategies.... Read more »
DEMETER, K., GELEI, A., & JENEI, I. (2006) The effect of strategy on supply chain configuration and management practices on the basis of two supply chains in the Hungarian automotive industry. International Journal of Production Economics, 104(2), 555-570. DOI: 10.1016/j.ijpe.2006.05.002
By Hannah Dunbar (Brain Post Note: Hannah Dunbar is a Oral Roberts University undergraduate student who is doing a summer research elective with me. She will be providing some guest posts over the next two months related to her interest in sleep and bipolar disorder.) Bipolar disorder is commonly characterized by sleep fluctations and distrubance of a regular circadian rhythm. It is logical to explore the role of circadian clock genes in bipolar disorder genetic studies. Pediatric bipolar dis........ Read more »
McGrath, C., Glatt, S., Sklar, P., Le-Niculescu, H., Kuczenski, R., Doyle, A., Biederman, J., Mick, E., Faraone, S., Niculescu, A.... (2009) Evidence for genetic association of RORB with bipolar disorder. BMC Psychiatry, 9(1), 70. DOI: 10.1186/1471-244X-9-70
Ogden CA, Rich ME, Schork NJ, Paulus MP, Geyer MA, Lohr JB, Kuczenski R, & Niculescu AB. (2004) Candidate genes, pathways and mechanisms for bipolar (manic-depressive) and related disorders: an expanded convergent functional genomics approach. Molecular psychiatry, 9(11), 1007-29. PMID: 15314610
Last week, the world learned of the first living organism that carries a synthetic genome. That that same genome contains the nucleic equivalents of both graffiti and poetry is less known…
Unless you’ve been avoiding all science news since last week, you’ve been bombarded by news of the creation of the first ’synthetic cell’ by scientists [...]... Read more »
Gibson, D., Glass, J., Lartigue, C., Noskov, V., Chuang, R., Algire, M., Benders, G., Montague, M., Ma, L., Moodie, M.... (2010) Creation of a Bacterial Cell Controlled by a Chemically Synthesized Genome. Science. DOI: 10.1126/science.1190719
A critical step in the design of any clinical trial is picking the right primary endpoint, the result that will usually make or break the study. That’s more difficult than it sounds - one’s hope is to cure a disease or relieve a patient’s symptoms, but choosing the best specific measure for those goals is [...]... Read more »
, . (2010) A Controlled Trial of Sildenafil in Advanced Idiopathic Pulmonary Fibrosis. New England Journal of Medicine. DOI: 10.1056/nejmoa1002110
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A new paper by Ben Bashat et al extends their earlier findings that had found that there was accelerated maturation of white matter in children with Autism. In this new paper they use Tract Based Spatial statistics (TBSS) to determine the white matter integrity of children (age around 3 years) with Autism as More >Rating: 0.0/10 (0 votes cast)
Related posts:Creativity-psychosis linkage via reduced white matter /myelination I have been following........ Read more »
Weinstein, M., Ben-Sira, L., Levy, Y., Zachor, D., Itzhak, E., Artzi, M., Tarrasch, R., Eksteine, P., Hendler, T., & Bashat, D. (2010) Abnormal white matter integrity in young children with autism. Human Brain Mapping. DOI: 10.1002/hbm.21042
Ben Bashat, D., Kronfeld-Duenias, V., Zachor, D., Ekstein, P., Hendler, T., Tarrasch, R., Even, A., Levy, Y., & Ben Sira, L. (2007) Accelerated maturation of white matter in young children with autism: A high b value DWI study. NeuroImage, 37(1), 40-47. DOI: 10.1016/j.neuroimage.2007.04.060
Jung, R., Grazioplene, R., Caprihan, A., Chavez, R., & Haier, R. (2010) White Matter Integrity, Creativity, and Psychopathology: Disentangling Constructs with Diffusion Tensor Imaging. PLoS ONE, 5(3). DOI: 10.1371/journal.pone.0009818
The skeleton of Palaeobatrachus from Lake Enspel, Germany. From Wuttke and Poschmann, 2010.
In On the Origin of Species, Charles Darwin said of the fossil record:
For my part, following out Lyell's metaphor, I look at the natural geological record, as a history of the world imperfectly kept, and written in a changing dialect; of this history we possess the last volume alone, relating only to two or three countries. Of this volume, only here and there a short chapter has been preserved; an........ Read more »
Wuttke, M., & Poschmann, M. (2010) First finding of fish in the diet of a water-dwelling extinct frog Palaeobatrachus from the Upper Oligocene Fossil-Lagerstätte Enspel (Westerwald Mountains, Western Germany). Palaeobiodiversity and Palaeoenvironments, 90(1), 59-64. DOI: 10.1007/s12549-009-0019-z
Protected areas can improve local economies
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Andam, K.S. et al. (2010) Protected areas reduced poverty in Costa Rica and Thailand. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0914177107
Soffer (2010) thinks that men do 'type 1' health-promoting behaviours (exercise, diet and not snacking) better than women, although he claims that women are better at 'type 2' health-promoting behaviours (not smoking or drinking, sleeping well and eating breakfast) than men. But who gets stressed more?... Read more »
Soffer, M. (2010) The role of stress in the relationships between gender and health-promoting behaviours. Scandinavian Journal of Caring Sciences. DOI: 10.1111/j.1471-6712.2009.00751.x
Meet the ballistics experts of the bug world: A quick draw beetle that fires volatile liquids with the pulse of a Tommy Gun, aphids that self-combust at the threat of a predator and a double-pistoled worm that sprays its victim with streams of goo. Of course, these insects are not the only invertebrates carrying chemical artillery—bees are maybe the most famous projectile-launching bugs around. The below insects, however, give a unique look into chemical warfare on a small scale.
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Eisner, T. (1999) Spray aiming in the bombardier beetle: Photographic evidence. Proceedings of the National Academy of Sciences, 96(17), 9705-9709. DOI: 10.1073/pnas.96.17.9705
Kazana, E., Pope, T., Tibbles, L., Bridges, M., Pickett, J., Bones, A., Powell, G., & Rossiter, J. (2007) The cabbage aphid: a walking mustard oil bomb. Proceedings of the Royal Society B: Biological Sciences, 274(1623), 2271-2277. DOI: 10.1098/rspb.2007.0237
Benkendorff, K., Beardmore, K., Gooley, A., Packer, N., & Tait, N. (1999) Characterisation of the slime gland secretion from the peripatus, Euperipatoides kanangrensis (Onychophora: Peripatopsidae). Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 124(4), 457-465. DOI: 10.1016/S0305-0491(99)00145-5
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