There are few cases observed where some people are tested HIV positive long ago but have not developed AIDS symptoms or the AIDS disease in their entire life and are called by researchers for finding out what is the key difference in them and the other peoples which is imparting capability for not developing HIV infection in to disease AIDS in such individuals.
Researchers have observed that there is a key difference in the genetic constitution of such peoples and they are termed as controlle........ Read more »
B V Waghmare. (2010) Information on HIV virus and antiretroviral drugs and antiAIDS vaccine research and developmets . www.bvwaghmare.blogspot.com. info:/DOI/arXiv/bvwaghmare
By mapping climate suitability for plant species researchers are able to understand how climate change can affect biodiversity or determine suitable climates in the future for different plants. ... Read more »
OHLEMULLER, R., GRITTI, E., SYKES, M., & THOMAS, C. (2006) Quantifying components of risk for European woody species under climate change. Global Change Biology, 12(9), 1788-1799. DOI: 10.1111/j.1365-2486.2006.01231.x
A recent paper claimed that conscientiousness and intelligence are positively correlated - even though recent research has found the opposite - and bemoaned the supposed "dysgenic" implications. This claim is examined in the light of the author's avowed race realism and endorsement of Rushton's equally unfounded "hierarchy of humanness".... Read more »
Moutafi, J., Furnham, A., . (2004) Why is Conscientiousness negatively correlated with intelligence?. Personality and Individual Differences, 37(5), 1013-1022. DOI: 10.1016/j.paid.2003.11.010
Templer, D. I. (2012) Richard Lynn and the evolution of conscientiousness. Personality and Individual Differences, 53(2), 94-98. DOI: 10.1016/j.paid.2011.05.023
Weizmann, F., Wiener, N. I., Wiesenthal, D. L., . (1991) Eggs, eggplants and eggheads: a rejoinder to Rushton. Canadian Psychology, 32(1), 43-50. DOI: 10.1037/h0078958
A large number of people in this world don’t know that they have a very huge amount of servants working for them on the planet Earth and beyond this planet at no cost while giving them infinite benefits. Those workers are present everywhere, we know some of them and we don’t know many of them.
Economic value of some bodily functions:
You can’t see your stomach but there are many bacteria working for you without any cost. They are serving you in give and take relations........ Read more »
Crutzen, P. (2006) Albedo Enhancement by Stratospheric Sulfur Injections: A Contribution to Resolve a Policy Dilemma?. Climatic Change, 77(3-4), 211-220. DOI: 10.1007/s10584-006-9101-y
Tempting snacks placed right near the checkout counter can be hard to resist. Even though you know buying one is not in your best interest, they catch attention. These high-profit 'grap-and-go' snacks are particularly hard to ignore at the end of a shopping trip after making dozens of decisions. This blog post discusses a recent paper in which we studied whether assortment structure and accessibility of healthier snacks influences consumer choices. ... Read more »
van Kleef E, Otten K, & van Trijp HC. (2012) Healthy snacks at the checkout counter: A lab and field study on the impact of shelf arrangement and assortment structure on consumer choices. BMC public health, 12(1), 1072. PMID: 23231863
Recent surprising evidence has shown that metastatic tumors usually do not vary in their genomes within an individual. Yet, these tumors behave differently at different sites around the body. Does that mean that epigenetic profiling will be too variable to target for cancer treatment? In a word, no.... Read more »
Aryee MJ, Liu W, Engelmann JC, Nuhn P, Gurel M, Haffner MC, Esopi D, Irizarry RA, Getzenberg RH, Nelson WG.... (2013) DNA methylation alterations exhibit intraindividual stability and interindividual heterogeneity in prostate cancer metastases. Science translational medicine, 5(169). PMID: 23345608
This discussion has been going on for quite some time and it is certainly not limited to the lay press and lay population. I have always been interested in double checking pop-sci claims, in this case the "evil fructose" meme.... Read more »
Aune, D., Chan, D., Vieira, A., Navarro Rosenblatt, D., Vieira, R., Greenwood, D., Cade, J., Burley, V., & Norat, T. (2012) Dietary fructose, carbohydrates, glycemic indices and pancreatic cancer risk: a systematic review and meta-analysis of cohort studies. Annals of Oncology, 23(10), 2536-2546. DOI: 10.1093/annonc/mds076
what could have (actually: should have) been done decades ago, this team of academic and industrial scientists convincingly demonstrate that "...exposure of the solutions to CO2 cause[s] the formation of carbonic acid, resulting in protein damage from the pH drop." In a series of experiments they rule out the type of storage vial, container material of body, cap and seal (borosilicate glass, polyethylene, polypropylene, melamine formaldeyde, phenol formaldehyde, polyethylene terephthal........ Read more »
Murphy BM, Swarts S, Mueller BM, van der Geer P, Manning MC, & Fitchmun MI. (2013) Protein instability following transport or storage on dry ice. Nature methods, 10(4), 278-9. PMID: 23538862
Male spiders can be missing their organs (pedipalps) and this is clearly quite a cost for their fitness! This post explores this topic, with some original data, and with some discussion of past literature on the topic.... Read more »
Buddle, C. (2001) Spiders (Araneae) associated with downed woody material in a deciduous forest in central Alberta, Canada. Agricultural and Forest Entomology, 3(4), 241-251. DOI: 10.1046/j.1461-9555.2001.00103.x
Buddle, C., Spence, J., & Langor, D. (2000) Succession of boreal forest spider assemblages following wildfire and harvesting. Ecography, 23(4), 424-436. DOI: 10.1034/j.1600-0587.2000.230405.x
Knoflach, B., & van Harten, A. (2001) Tidarren argo sp. nov. (Araneae: Theridiidae) and its exceptional copulatory behaviour: emasculation, male palpal organ as a mating plug and sexual cannibalism. Journal of Zoology, 254(4), 449-459. DOI: 10.1017/S0952836901000954
Lynam, E., Owens, J., & Persons, M. (2006) The Influence of Pedipalp Autotomy on the Courtship and Mating Behavior of Pardosa milvina (Araneae: Lycosidae). Journal of Insect Behavior, 19(1), 63-75. DOI: 10.1007/s10905-005-9008-x
Ramos, M. (2004) Overcoming an evolutionary conflict: Removal of a reproductive organ greatly increases locomotor performance. Proceedings of the National Academy of Sciences, 101(14), 4883-4887. DOI: 10.1073/pnas.0400324101
Tattoo artists may soon be faced with the prospect of a career change into the world of medicine thanks to the revelation that tattooing technology can be effectively applied in the delivery of vaccines and anti-parasitic drugs to the upper layers of the dermis.... Read more »
Bins AD, Jorritsma A, Wolkers MC, Hung CF, Wu TC, Schumacher TN, & Haanen JB. (2005) A rapid and potent DNA vaccination strategy defined by in vivo monitoring of antigen expression. Nature medicine, 11(8), 899-904. PMID: 15965482
Shio MT, Paquet M, Martel C, Bosschaerts T, Stienstra S, Olivier M, & Fortin A. (2014) Drug delivery by tattooing to treat cutaneous leishmaniasis. Scientific reports, 4156. PMID: 24561704
Tet3 regulates neuronal activity through epigenetic changes in the cells' DNA. It alters the speed and ease with which neurons communicate by altering the number of receptors at the synapse.... Read more »
Yu H, Su Y, Shin J, Zhong C, Guo JU, Weng YL, Gao F, Geschwind DH, Coppola G, Ming GL.... (2015) Tet3 regulates synaptic transmission and homeostatic plasticity via DNA oxidation and repair. Nature neuroscience, 18(6), 836-43. PMID: 25915473
One of the little known benefits of studying ancient human teeth is that during my weeks or months of analyzing skeletal remains, I suddenly become EXTREMELY CONCERNED about my own dental health. Brushing twice daily, flossing, gargling with mouth wash, you name it – for the entire duration of data collection, I am a dentist’s dream. Once I’m out of the field these tactics drop off precipitously, and my abiding love of Coke Zero, or anything containing sugar quickly works to ba........ Read more »
Goodman, Alan H., George J. Armelagos, and Jerome C. Rose. (1980) Enamel Hypoplasias as Indicators of Stress in Three Prehistoric Populations from the Lower Illinois River Valley. Human Biology, 52(3), 515-528. info:/
A look at two studies that investigate the effectiveness of activity trackers.... Read more »
Diaz K, Krupka D, Chang M, Peacock J, Ma Y, Goldsmith J, Schwartz J, & Davidson K. (2015) Fitbit®: An accurate and reliable device for wireless physical activity tracking. International Journal of Cardiology, 138-140. DOI: 10.1016/j.ijcard.2015.03.038
Ferguson T, Rowlands A, Olds T, & Maher C. (2015) The validity of consumer-level, activity monitors in healthy adults worn in free-living conditions: a cross-sectional study. International Journal of Behavioral Nutrition and Physical Activity, 12(1). DOI: 10.1186/s12966-015-0201-9
As organs go, the brain seems to harbor an abundance of somatic mutations — genetic variants that arise after conception and affect only some of our neurons. In one recent study, researchers found about 1,500 variants in each of neurons they sampled.
New research revealing the propensity of DNA to break in certain spots backs up the idea of a genetically diverse brain. Reported in Cell last month, it also suggests a new avenue for thinking about brain development, brain tumors and neuro........ Read more »
Wei PC, Chang AN, Kao J, Du Z, Meyers RM, Alt FW, & Schwer B. (2016) Long Neural Genes Harbor Recurrent DNA Break Clusters in Neural Stem/Progenitor Cells. Cell, 164(4), 644-55. PMID: 26871630
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