Two of my goals for TheEGG this year are to expand the line up of contributors and to extend the blog into a publicly accessible venue for active debate about preliminary, in-progress, and published projects; a window into the everyday challenges and miracles of research. Toward the first goal, we have new contributions from Jill […]... Read more »
Although I’ve spent more time thinking about pairwise games, I’ve recently expanded my horizons to more serious considerations of public-goods games. They crop up frequently when we are modeling agents at the cellular level, since interacts are often indirect through production of some sort of common extra-cellular signal. Unlike the trivial to characterize two strategy […]... Read more »
Peña, J., Lehmann, L., & Nöldeke, G. (2014) Gains from switching and evolutionary stability in multi-player matrix games. Journal of Theoretical Biology, 23-33. PMID: 24380778
Truthiness is the truth that comes from the gut, not books. Truthiness is preferring propositions that one wishes to be true over those known to be true. Truthiness is a wonderful commentary on the state of politics and media by a fictional character determined to be the best at feeling the news at us. Truthiness […]... Read more »
Weisberg, D.S., Keil, F.C., Goodstein, J., Rawson, E., & Gray, J.R. (2008) The seductive allure of neuroscience explanations. Journal of Cognitive Neuroscience, 20(3), 470-7. PMID: 18004955
While walking to work on Friday, I was catching up on one of my favorite podcasts: The History of Philosophy without any Gaps. To celebrate the podcast’s 200th episode, Peter Adamson was interviewing Jill Kraye and John Marenbon on medieval philosophy. The podcasts was largely concerned with where we should define the temporal boundaries of […]... Read more »
A simple statistical misunderstanding is leading many neuroscientists astray in their use of machine learning tools, according to a new paper in the Journal of Neuroscience Methods: Exceeding chance level by chance.
As the authors, French neuroscientists Etienne Combrisson and Karim Jerbi, describe the issue:
Machine learning techniques are increasingly used in neuroscience to classify brain signals. Decoding performance is reflected by how much the classification results depart from the... Read more »
Combrisson E, & Jerbi K. (2015) Exceeding chance level by chance: The caveat of theoretical chance levels in brain signal classification and statistical assessment of decoding accuracy. Journal of Neuroscience Methods. PMID: 25596422
Triangles, few of us have ever thought of a relationship between health care and triangles. Most of us will remember Pythagoras theorem from our school days, but rarely have a reason to use it in day-to-day life. Well for Doctors that might change, a team of medical researchers has found the 2,500-year-old Pythagoras theorem could be the most effective way to identify the point at which a patient’s health begins to improve.... Read more »
Froud, R., & Abel, G. (2014) Using ROC Curves to Choose Minimally Important Change Thresholds when Sensitivity and Specificity Are Valued Equally: The Forgotten Lesson of Pythagoras. Theoretical Considerations and an Example Application of Change in Health Status. PLoS ONE, 9(12). DOI: 10.1371/journal.pone.0114468
Passion and motivation are strange and confusing facets of being. Many things about them feel paradoxical. For example, I really enjoy writing, categorizing, and — obviously, if you’ve read many of the introductory paragraphs on TheEGG — blabbing on far too long about myself. So you’d expect that I would have been extremely motivated to […]... Read more »
Kaznatcheev, A., Montrey, M., & Shultz, T.R. (2014) Evolving useful delusions: Subjectively rational selfishness leads to objectively irrational cooperation. Proceedings of the 36th annual conference of the Cognitive Science Society. arXiv: 1405.0041v1
As a physicist I have been always interested about experiments that can corroborate theoretical findings. Most of these often become important applications for everyday life or change forever the course of the history of mankind. With this in view, I am currently following with great interest the efforts by the NASA group headed by Harold […]... Read more »
Miguel Alcubierre. (2000) The warp drive: hyper-fast travel within general relativity. Class.Quant.Grav.11:L73-L77,1994. arXiv: gr-qc/0009013v1
Welcome to 111101111. Another year has come to an end, and it is time to embrace tradition and reflect on the past twelve months. In fact, I will try to do one better and start a new tradition: cataloging a year of blogging. Last year, I split up the 83 content heavy posts of 2013 […]... Read more »
Kaznatcheev, A., Scott, J.G., & Basanta, D. (2014) Edge effects in game theoretic dynamics of spatially structured tumours. arXiv. arXiv: 1307.6914v2
Rainshowers are a lot more dramatic if you imagine every drop is a tiny asteroid imperiling miniature dinosaurs or sending little astronaut Ben Afflecks into space. It turns out your fantasy wouldn't be that far off, aside from that last part. Researchers have found startling similarities between asteroid craters and the fleeting indentations left by raindrops on sand.
At the University of Minnesota, physicist Xiang Cheng and three undergraduate students scrutinized what happens when a dr... Read more »
Runchen Zhao, Qianyun Zhang, Hendro Tjugito, & Xiang Cheng. (2014) Granular impact cratering by liquid drops: Understanding raindrop imprints through an analogy to asteroid strikes. Proceedings of the National Academy of Sciences. arXiv: 1407.7420v2
Many people are unaware of their mathematics-related abilities, and these abilities have to be considered in their evaluations and life outcomes.
Journal of Personal and Social Psychology
Mathematics is one of the most disliked subjects of students. It is probably due to its logical dealing with the quantity, shape, and arrangements, but interesting part of the life is that many people have no clue about their mathematics-related abilities,........ Read more »
Peters, E., & Bjalkebring, P. (2014) Multiple Numeric Competencies: When a Number Is Not Just a Number. Journal of Personality and Social Psychology. DOI: 10.1037/pspp0000019
Even a brilliant dog may not be able to count as high as the number of feet she has. In a cheese cube counting challenge, dogs struggled to prove they have any number sense at all. Embarrassingly for the dogs, some wolves took the exact same test and passed it. This may be a hint about what dogs lost when they moved to a cushy life of domestication.
At the Wolf Science Center in Austria, Friederike Range and her colleagues raise both wolves and dogs by hand, then train them to take part i........ Read more »
Range F, Jenikejew J, Schröder I, & Virányi Z. (2014) Difference in quantity discrimination in dogs and wolves. Frontiers in psychology, 1299. PMID: 25477834
by Jill Gallaher in Evolutionary Games Group
After a much needed few weeks of recovery, I’ve found some time to post about our annual IMO workshop held this year on the topic of viruses in cancer. Our group had the challenge of learning about all of the complexities of the human microbiome and its interactions with a cancerous lesion. The human microbiome, […]... Read more »
Human Microbiome Project Consortium. (2012) Structure, function and diversity of the healthy human microbiome. Nature, 486(7402), 207-214. DOI: 10.1038/nature11234
For those of us old enough to remember the days of the Apple II, you know that storage has exponentially increased. Even just 10 years ago 20+ gigs of data seemed huge, now my cellphone has 64 gigs. Yet we still need more data storage and we are looking for new ways to get it. Now a way to use weak molecular bonding interactions to create well-ordered and stable metal–organic monolayers with optoelectronic properties has been found. The development could form the basis for the scalable fabrica........ Read more »
Shimizu, T., Jung, J., Imada, H., & Kim, Y. (2014) Supramolecular Assembly through Interactions between Molecular Dipoles and Alkali Metal Ions. Angewandte Chemie International Edition, 53(50), 13729-13733. DOI: 10.1002/anie.201407555
Hawking radiation is one of the most famous effects where quantum field theory combines successfully with general relativity. Since 1975 when Stephen Hawking uncovered it, this results has obtained a enormous consideration and has been derived in a lot of different ways. The idea is that, very near the horizon of a black hole, a […]... Read more »
V. B. Bezerra, H. S. Vieira, & André A. Costa. (2013) The Klein-Gordon equation in the spacetime of a charged and rotating black hole. Class. Quantum Grav. 31 (2014) 045003. arXiv: 1312.4823v1
H. S. Vieira, V. B. Bezerra, & C. R. Muniz. (2014) Exact solutions of the Klein-Gordon equation in the Kerr-Newman background and Hawking radiation. Annals of Physics 350 (2014) 14-28. arXiv: 1401.5397v4
Leahy, D., & Unruh, W. (1983) Effects of a λΦ4 interaction on black-hole evaporation in two dimensions. Physical Review D, 28(4), 694-702. DOI: 10.1103/PhysRevD.28.694
Giovanni Collini, Valter Moretti, & Nicola Pinamonti. (2013) Tunnelling black-hole radiation with $φ^3$ self-interaction: one-loop computation for Rindler Killing horizons. Lett. Math. Phys. 104 (2014) 217-232. arXiv: 1302.5253v4
Marco Frasca. (2009) Exact solutions of classical scalar field equations. J.Nonlin.Math.Phys.18:291-297,2011. arXiv: 0907.4053v2
Marco Frasca. (2013) Scalar field theory in the strong self-interaction limit. Eur. Phys. J. C (2014) 74:2929. arXiv: 1306.6530v5
The American spy/intelligence agency, IARPA, is working to address the shortcomings of existing supercomputers through its program, C3. [Infographic]... Read more »
Holmes, D., Ripple, A., & Manheimer, M. (2013) Energy-Efficient Superconducting Computing—Power Budgets and Requirements. IEEE Transactions on Applied Superconductivity, 23(3), 1701610-1701610. DOI: 10.1109/TASC.2013.2244634
When you work with evolutionary game theory for a while, you end up accumulating an arsenal of cute tools and tricks. A lot of them are obvious once you’ve seen them, but you usually wouldn’t bother looking for them if you hadn’t know they existed. In particular, you become very good friends with the replicator […]... Read more »
Börgers, T., & Sarin, R. (1997) Learning through reinforcement and replicator dynamics. Journal of Economic Theory, 77(1), 1-14. DOI: 10.1006/jeth.1997.2319
If ever there was a scientific study that deserved to be a children’s picture book, this was it. Scientists belly-crawled through the forests of the Ozarks, flipping stones and looking for slimy things that wriggled away from them. They learned that the forest is secretly packed with salamanders in unfathomable numbers, as many as 10 […]The post A Surfeit of Salamanders: An Imagined Picture Book appeared first on Inkfish.... Read more »
Semlitsch, R., O’Donnell, K., & Thompson, F. (2014) Abundance, biomass production, nutrient content, and the possible role of terrestrial salamanders in Missouri Ozark forest ecosystems. Canadian Journal of Zoology, 92(12), 997-1004. DOI: 10.1139/cjz-2014-0141
by Philip Gerlee in Evolutionary Games Group
A couple of weeks ago a post here on TheEGG, which was about evolutionary game theory (EGT) and cancer, sparked a debate on Twitter between proponents and opponents of the idea of using EGT to study cancer. Mainly due to the limitations inherent to Twitter the dialogue fizzled. Instead, here we are expanding ideas in […]... Read more »
Marusyk, A., Tabassum, D.P., Altrock, P.M., Almendro, V., Michor, F., & Polyak, K. (2014) Non-cell-autonomous driving of tumour growth supports sub-clonal heterogeneity. Nature, 514(7520), 54-8. PMID: 25079331
Despite the established scientific consensus on global climate change, a substantial number of people, specifically Americans, deny its effects or its taking place. Why does this form of denialism persist so feverishly? What can mitigate this gap between the scientific community and the public?... Read more »
Egan, P., & Mullin, M. (2012) Turning Personal Experience into Political Attitudes: The Effect of Local Weather on Americans’ Perceptions about Global Warming. The Journal of Politics, 74(03), 796-809. DOI: 10.1017/S0022381612000448
Finucane, M., Slovic, P., Mertz, C., Flynn, J., & Satterfield, T. (2000) Gender, race, and perceived risk: The 'white male' effect. Health, Risk , 2(2), 159-172. DOI: 10.1080/713670162
Hamilton, L., & Keim, B. (2009) Regional variation in perceptions about climate change. International Journal of Climatology, 29(15), 2348-2352. DOI: 10.1002/joc.1930
Kahan, D., Peters, E., Wittlin, M., Slovic, P., Ouellette, L., Braman, D., & Mandel, G. (2012) The polarizing impact of science literacy and numeracy on perceived climate change risks. Nature Climate Change, 2(10), 732-735. DOI: 10.1038/nclimate1547
Lewandowsky, S., Gignac, G., & Oberauer, K. (2013) The Role of Conspiracist Ideation and Worldviews in Predicting Rejection of Science. PLoS ONE, 8(10). DOI: 10.1371/journal.pone.0075637
McCright, A., & Dunlap, R. (2010) Anti-reflexivity: The American Conservative Movement's Success in Undermining Climate Science and Policy. Theory, Culture , 27(2-3), 100-133. DOI: 10.1177/0263276409356001
McCright, A., & Dunlap, R. (2011) THE POLITICIZATION OF CLIMATE CHANGE AND POLARIZATION IN THE AMERICAN PUBLIC'S VIEWS OF GLOBAL WARMING, 2001-2010. Sociological Quarterly, 52(2), 155-194. DOI: 10.1111/j.1533-8525.2011.01198.x
McCright, A., Dunlap, R., & Xiao, C. (2014) The impacts of temperature anomalies and political orientation on perceived winter warming. Nature Climate Change, 4(12), 1077-1081. DOI: 10.1038/nclimate2443
Oreskes, N. (2004) Beyond The Ivory Tower: The Scientific Consensus on Climate Change. Science, 306(5702), 1686-1686. DOI: 10.1126/science.1103618
Stevenson, K., Peterson, M., Bondell, H., Moore, S., & Carrier, S. (2014) Overcoming skepticism with education: interacting influences of worldview and climate change knowledge on perceived climate change risk among adolescents. Climatic Change, 126(3-4), 293-304. DOI: 10.1007/s10584-014-1228-7
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