University of Utah metallurgists created a “recipe” to produce solar cell material in a microwave oven. Using this kitchen appliance, a nanocrystal semiconductor suitable for photovoltaic applications can be manufactured rapidly from cheap abundant and less toxic metals than other semiconductors.... Read more »
Sarswat, P., & Free, M. (2013) An investigation of rapidly synthesized Cu2ZnSnS4 nanocrystals. Journal of Crystal Growth, 87-94. DOI: 10.1016/j.jcrysgro.2013.03.022
If cartoonists ever pause in their sketching to ponder human evolution, they must feel grateful to the forces that shaped our fear expression. All it takes is a pair of extra-wide eyes to show that a character is freaking out. There may be a point to this expression beyond making artists' lives easier: widening our eyes expands our peripheral vision, and might even help other people spot the cause of our alarm.
"Our lab is interested in the evolutionary origins of emotional expressions," say........ Read more »
Lee, D., Susskind, J., & Anderson, A. (2013) Social Transmission of the Sensory Benefits of Eye Widening in Fear Expressions. Psychological Science. DOI: 10.1177/0956797612464500
Posted by Kasra When designing experiments in the lab, we usually say we cannot check for everything. Well, what if we could?! Meissner et al. used only 150,000 macrophages per sample to analyze their secretome. They have been able to detect and quantify protein abundances at the picogram level in a label-free system. Picogram detection [...]... Read more »
Meissner F, Scheltema RA, Mollenkopf HJ, & Mann M. (2013) Direct proteomic quantification of the secretome of activated immune cells. Science (New York, N.Y.), 340(6131), 475-8. PMID: 23620052
Sleep problems may increase your risk of prostate cancer, according to a new study. Get better sleep now with these simple tips.... Read more »
Sigurdardottir, L., Valdimarsdottir, U., Mucci, L., Fall, K., Rider, J., Schernhammer, E., Czeisler, C., Launer, L., Harris, T., Stampfer, M.... (2013) Sleep Disruption Among Older Men and Risk of Prostate Cancer. Cancer Epidemiology Biomarkers , 22(5), 872-879. DOI: 10.1158/1055-9965.EPI-12-1227-T
Coconut oil is being promoted by some as a “perfect” food. This is common in the CrossFit and Paleo communities. Coconut oil is like animal fat in that it isThe post Coconut oil and the search for the perfect diet. appeared first on WODMasters Stiff Competition.... Read more »
Enos RT, Davis JM, Velázquez KT, McClellan JL, Day SD, Carnevale KA, & Murphy EA. (2013) Influence of dietary saturated fat content on adiposity, macrophage behavior, inflammation, and metabolism: composition matters. Journal of lipid research, 54(1), 152-63. PMID: 23103474
Scientists have successfully tested the “dynamic” vaccine against heroin in rats that prevents the heroin and its metabolic products in the body from reaching the brain. This vaccine is ready to be tested in human beings.
Proceedings of the National Academy of Sciences (PNAS)
Heroin addiction affects more than 10 million people globally and the development of such vaccine is really a part of success against such addition.
“The effe........ Read more »
Schlosburg, J., Vendruscolo, L., Bremer, P., Lockner, J., Wade, C., Nunes, A., Stowe, G., Edwards, S., Janda, K., & Koob, G. (2013) Dynamic vaccine blocks relapse to compulsive intake of heroin. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1219159110
A little over a year ago, a research team started to develop a vital part of a Finnish invention – an electric solar wind sail for interplanetary journeys. Now, a prototype has been successfully manufactured and tested.... Read more »
Anneli Waara. (2013) One step closer to solar wind-powered spacecraft. Uppsala University. info:/
by Moselio Schaechter in Small Things Considered
To paraphrase an old adage, no bacterium is an island. Indeed, bacteria in nature exist as polymicrobial communities where interactions between individuals influence activities of the entire population. This is especially true of pathogenic bacteria, although it has been mostly ignored because we frequently isolate a single species from an infection site and prescribe antibiotic therapy based upon this information. A recent paper by Korgaonkar and coworkers highlights that this practice is somew........ Read more »
Korgaonkar A, Trivedi U, Rumbaugh KP, & Whiteley M. (2013) Community surveillance enhances Pseudomonas aeruginosa virulence during polymicrobial infection. Proceedings of the National Academy of Sciences of the United States of America, 110(3), 1059-64. PMID: 23277552
The Black Death, or Bubonic Plague, was one of the most devastating pandemics to sweep through Europe. In only four years, this single disease wiped out half the population and set back the progress of the nations of Western Europe. Its rapid spread was attributed to fleas, who traveled throughout the countrysides and cities on … Continue reading »... Read more »
Harbeck, M., Seifert, L., Hänsch, S., Wagner, D., Birdsell, D., Parise, K., Wiechmann, I., Grupe, G., Thomas, A., Keim, P.... (2013) Yersinia pestis DNA from Skeletal Remains from the 6th Century AD Reveals Insights into Justinianic Plague. PLoS Pathogens, 9(5). DOI: 10.1371/journal.ppat.1003349
by Martha Serrano in genome ecology evolution etc
1. How genomes evolve in natural populations? is a question that, despite to be a long-standing search for geneticists, recent molecular genomic approaches may help to understand. Their evolution among natural populations may be shaped by forces derived from … Continuer la lecture →... Read more »
Staubach F, Lorenc A, Messer PW, Tang K, Petrov DA, & Tautz D. (2012) Genome patterns of selection and introgression of haplotypes in natural populations of the house mouse (Mus musculus). PLoS genetics, 8(8). PMID: 22956910
When you bring up the subject of listening to music while stoned, you get a range of responses, almost all of them positive. While you might enjoy a song in a non-altered state, under the influence of Cannabis, it has been established that listening to and creating music is somehow a deeper and more intense experience. The disputed issue that arises is why this happens and if the feeling is real.... Read more »
I'll start this blog with a confession; it might just be an excuse to make terrible wine based puns like the one in the title, so I'd be grapeful if you would go easy on me. Eh? Eh? No, looks like nobody's going with it. Not going to fly this one. They're sauvignone of it. Alright, I'll stop. It is nice to have a topic which isn't all doom and gloom for once though, it's not easy trying to write a climate blog that doesn't descend into weeping sobs at the state of humanity somewhere in the concl........ Read more »
A combination of graphene with other similar 2D crystals will allow to significantly increase the efficiency of solar cells and create the next generation of optoelectronic devices, scientists have revealed.... Read more »
Britnell, L., Ribeiro, R., Eckmann, A., Jalil, R., Belle, B., Mishchenko, A., Kim, Y., Gorbachev, R., Georgiou, T., Morozov, S.... (2013) Strong Light-Matter Interactions in Heterostructures of Atomically Thin Films. Science. DOI: 10.1126/science.1235547
As consumers, we like to hear that produce growers and distributers go above and beyond food safety mandates to ensure that healthy fresh fruits and vegetables do not carry bacteria or viruses that can make us sick. But in California’s Salinas Valley, some more vigorous interventions are cutting into the last corners of wildlife habitat, without evidence of food safety benefits, creating tensions between wildlife preservation and food safety where none need exist.... Read more »
Sasha Gennet, Jeanette Howard, Jeff Langholz, Kathryn Andrews, Mark D Reynolds, & Scott A Morrison. (2013) Farm practices for food safety: an emerging threat to floodplain and riparian ecosystems. Frontiers in Ecology and the Environment, e-View ahead of print(May 6th). info:/10.1890/1202443
Researchers at the Duke University, Durham announced today that they have used human embryonic stem cells to create a "patch" for damaged hearts. The patch may one day be used to treat patients with cardiac damage after a heart attack or as a model for testing new experimental drugs.Read More... Read more »
Zhang, D., Shadrin, I., Lam, J., Xian, H., Snodgrass, H., & Bursac, N. (2013) Tissue-engineered cardiac patch for advanced functional maturation of human ESC-derived cardiomyocytes. Biomaterials. DOI: 10.1016/j.biomaterials.2013.04.026
by Persuasion Strategies in Persuasive Litigator
By Dr. Ken Broda-Bahm: Over the weekend I gave a presentation at a law firm retreat in Palm Springs. The presentation drew from a recent mock trial in an insurance dispute and the deliberation video clips I was playing could've been seen as a parade of mistakes: jurors ignoring instructions, flagrantly applying their own experience and knowledge, and framing the dispute within their own terms instead of the frame provided by the presenting attorneys. After about an hour of this, one attorney in ........ Read more »
Leah Sprain and John Gastil. (2013) What Does It Mean to Deliberate? An Interpretive Account of Jurors' Expressed Deliberative Rules and Premises. Communication Quarterly, 61(2), 151-171. info:/
When climates change, species move. It’s a fact of life on Earth and probably has been for the past 542 million years, even when species don’t have legs or wings or fins to get them from place to place.
Quaking aspen is one example of a seemingly stationary species that has managed in just the past 20,000 years to expand into the largest range of any native North American tree.... Read more »
Callahan, C., Rowe, C., Ryel, R., Shaw, J., Madritch, M., & Mock, K. (2013) Continental-scale assessment of genetic diversity and population structure in quaking aspen (Populus tremuloides) . Journal of Biogeography. DOI: 10.1111/jbi.12115
Hydrocarbon development in the Western Amazon Basin continues to gain momentum. A group of scientists has recently published a paper that outlines ways to save the unique ecosystem of the largest rainforest in the world by reducing the negative impact of oil and gas projects.... Read more »
Finer, M., Jenkins, C., & Powers, B. (2013) Potential of Best Practice to Reduce Impacts from Oil and Gas Projects in the Amazon. PLoS ONE, 8(5). DOI: 10.1371/journal.pone.0063022
A new study by researchers at the Lillehei Heart Institute, University of Minnesota reveals that the Mesp1 gene, previously thought to only be involved in the production of heart tissue, can be used to produce blood and muscle forming stem cells if manipulated properly.Read More... Read more »
Chan, S., Shi, X., Toyama, A., Arpke, R., Dandapat, A., Iacovino, M., Kang, J., Le, G., Hagen, H., Garry, D.... (2013) Mesp1 Patterns Mesoderm into Cardiac, Hematopoietic, or Skeletal Myogenic Progenitors in a Context-Dependent Manner. Cell Stem Cell, 12(5), 587-601. DOI: 10.1016/j.stem.2013.03.004
+Jonah Miller wrote about back of the envelope calculations today and it inspired me to finally write about the oft-quoted by fringe scientists work of Bryce DeWitt and the surprisingly less quoted work of Robert L. Forward. The link between Forward's work and Jonah's article is that Forward wrote an excellent pair of articles entitled "General Relativity for the Experimentalist" for the Proceedings of the IRE, (the precursor to the IEEE), and "Guidelines to Antigravity" for the American........ Read more »
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