Happy year of the monkey! Last time in the Petri dish, I considered the replicator dynamics between type-A and type-B cells abstractly. In the comments, Arne Traulsen pointed me to Li et al. (2015): We have attempted something similar in spirit with bacteria. Looking at frequencies alone, it looked like coordination. But taking into account […]... Read more »
Li, X.-Y., Pietschke, C., Fraune, S., Altrock, P.M., Bosch, T.C., & Traulsen, A. (2015) Which games are growing bacterial populations playing?. Journal of the Royal Society Interface, 12(108), 20150121. PMID: 26236827
At the heart of the Great Lakes region of East Africa is Tanzania — a republic comprised of 30 mikoa, or provinces. Its border is marked off by the giant lakes Victoria, Tanganyika, and Malawi. But the lake that interests me the most is an internal one: 200 km from the border with Kenya at […]... Read more »
Apicella, C.L., Marlowe, F.W., Fowler, J.H., & Christakis, N.A. (2012) Social networks and cooperation in hunter-gatherers. Nature, 481(7382), 497-501. PMID: 22281599
In the U.S., people face 25 times more chances of being killed by guns as compared to many other developed nations.
The American Journal of Medicine
In a study on “violent death rates”, researchers have reported that the rate of gun-related murder in the U.S. is about 25 times higher as compared to 22 other high-income countries. Moreover, gun-related suicide rate in the U.S. is about 8 times more than other high-income nations;........ Read more »
Grinshteyn, E., & Hemenway, D. (2015) Violent Death Rates: The US Compared with Other High-income OECD Countries, 2010. The American Journal of Medicine. DOI: 10.1016/j.amjmed.2015.10.025
Finger tracing can help school-going kids in learning mathematics better.
Applied Cognitive Psychology
Learning and Instruction
Researchers from Sydney worked with 275 school-going children in the age range of 9 to 13 years. They found that tracing of mathematical points on fingers could help children in better understanding and solving the previously unknown problems of algebra and geometry. So, finger tracing of practice examples while........ Read more »
Hu, F., Ginns, P., & Bobis, J. (2015) Getting the point: Tracing worked examples enhances learning. Learning and Instruction, 85-93. DOI: 10.1016/j.learninstruc.2014.10.002
For the next couple of months, Jeffrey Peacock is visiting Moffitt. He’s a 4th year medical student at the University of Central Florida with a background in microbiology and genetic engineering of bacteria and yeast. Together with Andriy Marusyk and Jacob Scott, he will move to human cells and run some in vitro experiments with […]... Read more »
Archetti, M., Ferraro, D.A., & Christofori, G. (2015) Heterogeneity for IGF-II production maintained by public goods dynamics in neuroendocrine pancreatic cancer. Proceedings of the National Academy of Sciences of the United States of America, 112(6), 1833-8. PMID: 25624490
UNSW Australia scientists have shown that complex human brain activity is governed by the same simple universal rule of nature that can explain other phenomena such as the beautiful sound of a finely crafted violin or the spots on a leopard. The UNSW team has identified a link between the distinctive patterns of brain function that occur at rest and the physical structure of people's brains.
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Atasoy, S., Donnelly, I., & Pearson, J. (2016) Human brain networks function in connectome-specific harmonic waves. Nature Communications, 10340. DOI: 10.1038/ncomms10340
By Caitlin LockardWhen playing Frisbee with your dog, do you ever wonder how they have the ability to catch it so effortlessly? The art of being able to figure out where something like a Frisbee is headed requires some crazy math skills. Ostracods are one kind of animal that puts their wicked math skills to the test while finding a mate.The image above of a female ostracod was provided by Trevor Rivers.You’ve never heard of an ostracod you say? Ostracods are small crustaceans, which basicall........ Read more »
Rivers, T., & Morin, J. (2013) Female ostracods respond to and intercept artificial conspecific male luminescent courtship displays. Behavioral Ecology, 24(4), 877-887. DOI: 10.1093/beheco/art022
Thanks to the Internet, amateur volunteers known as "citizen scientists" can readily donate their time and effort to science--in fields ranging from medicine to zoology to astrophysics. The astrophysics project Space Warps offers a compelling example of why citizen science has become such a popular tool and how valuable it can be.
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Marshall, P., Verma, A., More, A., Davis, C., More, S., Kapadia, A., Parrish, M., Snyder, C., Wilcox, J., Baeten, E.... (2015) SPACE WARPS - I. Crowdsourcing the discovery of gravitational lenses. Monthly Notices of the Royal Astronomical Society, 455(2), 1171-1190. DOI: 10.1093/mnras/stv2009
More, A., Verma, A., Marshall, P., More, S., Baeten, E., Wilcox, J., Macmillan, C., Cornen, C., Kapadia, A., Parrish, M.... (2015) SPACE WARPS- II. New gravitational lens candidates from the CFHTLS discovered through citizen science. Monthly Notices of the Royal Astronomical Society, 455(2), 1191-1210. DOI: 10.1093/mnras/stv1965
In "Star Trek", a transporter can teleport a person from one location to a remote location without actually making the journey along the way. Such a transporter has fascinated many people. Quantum teleportation shares several features of the transporter and is one of the most important protocols in quantum information.... Read more »
Li, T., & Yin, Z. (2016) Quantum superposition, entanglement, and state teleportation of a microorganism on an electromechanical oscillator. Science Bulletin. DOI: 10.1007/s11434-015-0990-x
Quantum gravity appears today as the Holy Grail of physics. This is so far detached from any possible experimental result but with a lot of attentions from truly remarkable people anyway. In some sense, if a physicist would like to know in her lifetime if her speculations are worth a Nobel prize, better to work […]... Read more »
Farina, A., Frasca, M., & Sedehi, M. (2013) Solving Schrödinger equation via Tartaglia/Pascal triangle: a possible link between stochastic processing and quantum mechanics. Signal, Image and Video Processing, 8(1), 27-37. DOI: 10.1007/s11760-013-0473-y
Today I'm proud to introduce you to a talented postdoctoral fellow in my own group at the Los Alamos National Laboratory. No, I had nothing to do with his work, which is why I can discuss it without any competing interests. Ours is the Theoretical Biology group, and what that means is that we do biology from a purely theoretical perspective: we design analytical models and analyze data from experiments. Sounds trivial, but it's not, and it takes the joint forces of people coming from the most di........ Read more »
In the 90s morphing of two unrelated images was popular and mostly it was used for entertainment purposes. For example: the famous video of Michael Jackson’s pop hit “Black or White”.... Read more »
Narunsky A, Nepomnyachiy S, Ashkenazy H, Kolodny R, & Ben-Tal N. (2015) ConTemplate Suggests Possible Alternative Conformations for a Query Protein of Known Structure. Structure (London, England : 1993), 23(11), 2162-70. PMID: 26455800
Why send a message back in time, but lock it so that no one can ever read the contents? Because it may be the key to solving currently intractable problems. It turns out that an unopened message can be exceedingly useful. This is true if the experimenter entangles the message with some other system in the laboratory before sending it.... Read more »
Yuan, X., Assad, S., Thompson, J., Haw, J., Vedral, V., Ralph, T., Lam, P., Weedbrook, C., & Gu, M. (2015) Replicating the benefits of Deutschian closed timelike curves without breaking causality. npj Quantum Information, 15007. DOI: 10.1038/npjqi.2015.7
I don’t know about you, dear reader, but when I was a senior in highschool, I was busy skipping class to play CounterStrike. And I wasn’t even any good at it. Pranav Warman, however, is busy spending his senior year curing cancer. Or at least modeling it. On Friday, David Basanta, Pranav, and I spent […]... Read more »
Basanta, D., Scott, J.G., Fishman, M.N., Ayala, G., Hayward, S.W., & Anderson, A.R. (2012) Investigating prostate cancer tumour-stroma interactions: clinical and biological insights from an evolutionary game. British journal of Cancer, 106(1), 174-81. PMID: 22134510
Everyday I walk to the Stabile Research Building to drink espresso and sit in my cozy — although oversaturated with screens — office. Oh, and to chat about research with great people like Arturo Araujo, David Basanta, Jill Gallaher, Jacob Scott, Robert Vander Velde and other Moffitters. This walk to the office takes about 30 […]... Read more »
Jansson, F. (2015) What games support the evolution of an ingroup bias?. Journal of theoretical biology, 100-10. PMID: 25794651
If you recall, dear reader, around this time last year, Robert Vander Velde, David Basanta, Jacob Scott and I got excited about the Archetti (2013,2014) approach to modeling non-linear public goods in cancer. We’ve been working on this intermittently for the last year, but aim to focus now that I have settled in here at […]... Read more »
Archetti, M. (2013) Evolutionary game theory of growth factor production: implications for tumour heterogeneity and resistance to therapies. British Journal of Cancer, 109(4), 1056-62. PMID: 23922110
For most of the last 70 years or so, treating cancer meant one of three things: surgery, radiation, or chemotherapy. In most cases, some combination of these remains the standard of care. But cancer research does not stand still. More recent developments have included a focus on immunotherapy: using, modifying, or augmenting the patient’s natural […]... Read more »
Maude, S.L., Teachey, D.T., Porter, D.L., & Grupp, S.A. (2015) CD19-targeted chimeric antigen receptor T-cell therapy for acute lymphoblastic leukemia. Blood, 125(26), 4017-23. PMID: 25999455
We can and should (and do) avoid the idea that stringing together "nothing but" pieces of content is sufficient to make 'holistic' understanding bubble up as an emergent property of student learning. But equally dubious, and equally unsubscribed, is the idea that learning can be transformed from fragmented to holistic by subtracting something from the experience.... Read more »
Overall, both longitudinal and experimental studies indicate that procedural knowledge leads to improvements in conceptual knowledge, in addition to vice versa. The relations between the two types of knowledge are bidirectional. It is a myth that it is a "one-way street" from conceptual knowledge to procedural knowledge.... Read more »
Rittle-Johnson, B., Schneider, M., & Star, J. (2015) Not a One-Way Street: Bidirectional Relations Between Procedural and Conceptual Knowledge of Mathematics. Educational Psychology Review. DOI: 10.1007/s10648-015-9302-x
When birds set out for a long journey, they don't need roads and they certainly don't need road maps. They learn the route from others or intuit it from their DNA, an urge to point their bodies one way at a certain time of year and stop flying a few thousand miles later. To understand these journeys better, researchers mapped the most efficient routes through the world's winds. The highways that emerged weren't the shortest paths—but they did strikingly match the behavior of real bird........ Read more »
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