To fully understand the context of this article, you probably need to read this article over at my old blog about the signficance of tachinid fly pests to silk production. It’s a great peice of work about a parasitoid fly (a tachinid…this blog’s namesake) that’s been devastating the silk industry in India.
So…you have a pest [...]... Read more »
Kaiser, Jamil., Jyothi, N. Prasuna,, A.L., Murty, U.S.N., & Persoons, C. J. (1997) Trichopria khandalus (Hymenoptera : Diapridae) : a new biocontrol agent of the uzifly Exorista bombycis (Diptera : Tachinidae). Journal of Applied Entomology , 99-102. DOI: 0931-2048
It's been almost two centuries since a possible link between large earthquakes and nearby volcanic eruptions was first proposed by none other than Charles Darwin, who compiled accounts of increased activity at a number of Andean volcanoes in the wake of the 1835 Concepcion earthquake. In the decades since, however, firm evidence of earthquakes triggering volcanic eruptions has remained somewhat elusive; but a new paper by Sebastian Watt and colleagues at the University of Oxford takes a fresh lo........ Read more »
S WATT, D PYLE, & T MATHER. (2008) The influence of great earthquakes on volcanic eruption rate along the Chilean subduction zone. Earth and Planetary Science Letters. DOI: 10.1016/j.epsl.2008.11.005
The benefits of aerobic activity are well documented regarding overall physical health and well-being. Many studies have also shown an association between aerobic activity and cognitive function, but the mechanism was unclear. Now, we may know the reason.
A new study presented at the annual meeting of the Radiological Society of North America reported that adults [...]... Read more »
A. K Brown, T. Liu-Ambrose, R. Tate, & S. Lord. (2008) The Effect of Group-Based Exercise on Cognitive Performance and Mood in Seniors Residing in Intermediate Care and Self-Care Retirement Facilities: A Randomized Controlled Trial. British Journal of Sports Medicine. DOI: 10.1136/bjsm.2008.049882
T. Liu-Ambrose, & M. Donaldson. (2008) Exercise and Cognition in Older Adults: Is there a Role for Resistance Training Programs?. British Journal of Sports Medicine. DOI: 10.1136/bjsm.2008.055616
In the December 12 issue of the journal Science Ros Clubb of the Royal Society for the Protection of Animals and colleagues, including well known elephant researcher Cynthia Moss, report that captive elephants do not live as long as their free-living counterparts, or even as long as working elephants in Burmese timber camps.Collecting data from over 4,500 elephants from European Zoos, wild populations in Amboseli National Park in Kenya and working elephants in Burmese logging camps, the authors ........ Read more »
Title: Chitosan for overweight or obesity.
Authors: Jull AB, Ni Mhurchu C, Bennett DA, et al.
Source: Cochrane Database Systematic Reviews. 2008 July 16;(3):CD003892.
Because of the complexity of the biochemistry, physiology and psychology involved, weight management can be a challenging task. Weight loss can improve the health and wellbeing of overweight or obese people - as well [...]... Read more »
Title: Exercise is associated with a reduced risk for incident dementia among persons 65 years of age and older.
Authors: Larson EB, Wang L, Bowen JD, et al.
Source: Annals of Internal Medicine. January 2006, 144:73-81.
Regular exercise is well-documented to promote overall improvements in health. A number of studies to date have specifically demonstrated improvements in the [...]... Read more »
Larson EB, Wang L, Bowen JD, McCormick WC, Teri L, Crane P, Kukull W. (2006) Exercise is associated with reduced risk for incident dementia among persons 65 years of age and older. Ann Intern Med, 144(2), 73-81. DOI: 16418406
Owing to popular demand among the readership of this blog, I've taken a closer look at the original article claiming that spent coffee grounds can be employed as a source of fuel. There are several important details that come though in the paper coming out in the next issue of the Journal of Agricultural and Food Chemistry that have not come through in the press reports. Read the rest of this post... | Read the comments on this post...... Read more »
Kondamudi, NarasimharaoMohapatra, Susanta, & Misra, Mano. (2008) Spent Coffee Grounds as a Versatile Source of Green Energy. Agicultural and Food Chemistry.
One of the bigger challenges facing researchers who are developing artificial limbs is to create prostheses that not only act but also feel like real limbs. This is especially true for the hand, which is one of the most sensitive parts of the human body, and although advanced prosthetic hands with fully articulated digits which move independently of one another are now available, they would be far more useful if they provided the user with sensory feedback.
Last year, surgeons from the Rehabili........ Read more »
H. H. Ehrsson, B. Rosen, A. Stockselius, C. Ragno, P. Kohler, & G. Lundborg. (2008) Upper limb amputees can be induced to experience a rubber hand as their own. Brain. DOI: 10.1093/brain/awn297
Previously I posted about the much-maligned serotonin theory of depression and tentatively defended it, while making it clear that "low serotonin" was certainly not the whole story. Critics have noted that the serotonin-is-happiness hypothesis has become folk wisdom, despite being clearly incomplete, and this is generally ascribed to the marketing power of the pharmaceutical industry. What's also interesting is that a predecessor and rival to the serotonin hypothesis, the noradrenaline theory, f........ Read more »
Tech writer and web designer Wayne Smallman has been discussing whether video games are good or bad for kids and has kicked up something of a magnetic traffic storm into the bargain. Earlier this year, Allan Reiss and colleagues at…... Read more »
W Boot, A Kramer, D Simons, M Fabiani, & G Gratton. (2008) The effects of video game playing on attention, memory, and executive control. Acta Psychologica, 129(3), 387-398. DOI: 10.1016/j.actpsy.2008.09.005
The authors of this study, Low 06-methylguanine-DNA methyltransferase[P1] (MGMT) expression and response to temozolomide in aggressive pituitary tumours, detail the use of temozolomide as a possible treatment for the aformentioned tumors. They also evaluate 06-methylguanine-DNA methyltransferase (MGMT) "expression in pituitary tumours and consider whether MGMT expression is associated with response to temozolomide therapy in aggressive pituitary tumours".Why is this relevant? Because so many AC........ Read more »
Ann I. McCormack, Kerrie L. McDonald, Anthony J. Gill, Susan J. Clark, Morton G. Burt, Kirsten A. Campbell, Wilton J. Braund, Nicholas S. Little, Raymond J. Cook, Ashley B. Grossman.... (2008) Low 0(6)-methylguanine-DNA methyltransferase (MGMT) expression and response to temozolomide in aggressive pituitary tumours . Clinical Endocrinology. DOI: 10.1111/j.1365-2265.2008.03487.x
I am not a firm believer of Internet Addiction. One of the main features of addiction is having complaints, suffer complications of the addiction. The main features of an addiction are social and/or emotional problems leading to doctors visit or other forms of help seeking. So what we are looking for is teenagers using the [...]... Read more »
Sookeun Byun, Celestino Ruffini, Juline E. Mills, Alecia C. Douglas, Mamadou Niang, Svetlana Stepchenkova, Seul Ki Lee, Jihad Loutfi, Jung-Kook Lee, Mikhail Atallah.... (2008) Internet Addiction: Metasynthesis of 1996–2006 Quantitative Research. CyberPsychology , 2147483647-5. DOI: 10.1089/cpb.2008.0102
tags: evolution, honeyeaters, Meliphagidae, Mohoidae, birds, ornithology, birds, molecular phylogeny, extinct species, South Pacific Islands
Two nectar-feeding birds from Hawai'i, the kioea (brown-streaked, in middle) and an o'o species (lower left), looked so much like nectar specialists from the western Pacific (two species on right) that taxonomists put them all in the same honeyeater family, the Meliphagidae. All the Hawaiian birds are unfortunately extinct, but DNA evidence shows that thei........ Read more »
R FLEISCHER, H JAMES, & S OLSON. (2008) Convergent Evolution of Hawaiian and Australo-Pacific Honeyeaters from Distant Songbird Ancestors. Current Biology. DOI: 10.1016/j.cub.2008.10.051
Willer et al. (2008). Six new loci associated with body mass index highlight a neuronal influence on body weight regulation Nature Genetics DOI: 10.1038/ng.287
Thorleifsson et al. (2008). Genome-wide association yields new sequence variants at seven loci that associate with measures of obesity Nature Genetics DOI: 10.1038/ng.274
There are two massive studies now online in Nature Genetics looking at the genetic architecture of body mass index (BMI). Body mass index is a widely-used measure of b........ Read more »
Cristen J Willer, Elizabeth K Speliotes, Ruth J F Loos, Shengxu Li, Cecilia M Lindgren, Iris M Heid, Sonja I Berndt, Amanda L Elliott, Anne U Jackson, Claudia Lamina.... (2008) Six new loci associated with body mass index highlight a neuronal influence on body weight regulation. Nature Genetics. DOI: 10.1038/ng.287
Gudmar Thorleifsson, G Bragi Walters, Daniel F Gudbjartsson, Valgerdur Steinthorsdottir, Patrick Sulem, Anna Helgadottir, Unnur Styrkarsdottir, Solveig Gretarsdottir, Steinunn Thorlacius, Ingileif Jonsdottir.... (2008) Genome-wide association yields new sequence variants at seven loci that associate with measures of obesity. Nature Genetics. DOI: 10.1038/ng.274
The dangers of single antibiotic treatment are well known and well established. It is common knowledge that improper use of antibiotics can lead to the development of resistant strains in which the antibiotic was created to be used against.The development of these resistances in a population is most often thought to be due to direct selective pressure. That is, those cells containing mutations that resist the antibiotic, or those that contain a protein to export or degrade the antibiotic, are h........ Read more »
Attitudes about racial and ethnic groups can influence decisions about whom you choose to date, but did you know that dating behaviors may impact your attitudes as well. Read more.... Read more »
S. Levin, P. L. Taylor, & E. Caudle. (2007) Interethnic and interracial dating in college: A longitudinal study. Journal of Social and Personal Relationships, 24(3), 323-341. DOI: 10.1177/0265407507077225
And now it’s time for the sixth edition of The Giant’s Shoulders! Without further ado: the posts
1672 - Isaac Newton experiments with light and prisms. These experiments ignited a controversy in physics: is light a particle or a wave? This wasn’t resolved until the 1900s with the quantum theory. More on the events [...]... Read more »
Arthur B. DuBois, Stella Y. Botelho, & Julius H. Comroe. (1956) A NEW METHOD FOR MEASURING AIRWAY RESISTANCE IN MAN USING A BODY PLETHYSMOGRAPH: VALUES IN NORMAL SUBJECTS AND IN PATIENTS WITH RESPIRATORY DISEASE 1. Journal of Clinical Investigation, 35(3), 327-335. DOI: 10.1172/JCI103282
The dangers of single antibiotic treatment are well known and well established. It is common knowledge that improper use of antibiotics can lead to the development of resistant strains in which the antibiotic was created to be used against. The development of these resistances in a population is most often thought to be due to direct selective pressure.However, there is a 2006 study, published in Science, which shows that antibiotic treatment does more than "merely" select for resistan........ Read more »
When I was 12 years old, I sometimes got to ride the train from Seattle to my aunt's house in Portland. Staring at the countryside flashing past the train window, it seemed to me that the landscape was rotating in a giant circle: Nearby objects flashed past the train as expected -- they appeared to move the opposite way the train was going. But the mountains in the distance seemed to be moving forward, faster than the train. It was as if the land next to us was just a vast turntable, rotating ra........ Read more »
Richard T. Dyde, & Laurence R. Harris. (2008) The influence of retinal and extra-retinal motion cues on perceived object motion during self-motion. Journal of Vision, 8(14), 1-10. DOI: 10.1167/8.14.5
So, one Big Question that remains after the recent research on attitudes to nanotechnology is whether this is a general effect - is there any fundamental obstacle to people holding scientific and religious ideas at one and the same time? Does religion really displace science, and vice versa? Data published today suggest that it does.This research is about framing - about how setting up people's preconceptions can affect the way they think. What the researchers (Jess Preston of the University of ........ Read more »
J PRESTON, & N EPLEY. (2009) Science and God: An automatic opposition between ultimate explanations. Journal of Experimental Social Psychology, 45(1), 238-241. DOI: 10.1016/j.jesp.2008.07.013
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