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December 31, 2012

3:00 PM | FYI: Why Do We Crave Greasy Food When We're Hung Over?

A hangover-friendly sandwich Wikimedia CommonsIn part, we're really just going back to our caveman roots. The desire to eat high-fat foods after drinking too much is rooted in human's earliest, humblest beginnings, some scientists say. "All mammals gravitate to eating the most energy-dense foods," David Levitsky, professor of human ecology and nutritional sciences at Cornell University, says. "Fat is the most energy-dense food available." It's just that sober, you won't usually give in to […]

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Offshore Drilling Helps Microbiologists Study Life on Earth and Beyond

Offshore drilling is often discussed in terms of its positive effect on the economy and the potential risks it carries for the environment. There’s, however, another side to offshore drilling, one that is less often talked about. A recent study done at the University of Aberdeen, suggests that the oil and gas industry’s pursuit of new oil reserves has contributed to a greater understanding of where life exists on Earth and may even help us look for life on other planets. Read more »

Parnell, J., Boyce, A., Hurst, A., Davidheiser-Kroll, B. & Ponicka, J. (2013). Long term geological record of a global deep subsurface microbial habitat in sand injection complexes, Scientific Reports, 3 DOI: 10.1038/srep01828

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Decision Theory Journal Club: Our brains are perfect machines

A few of us have started a Decision Theory journal club where we plan on reading papers from a variety of fields that examine how decisions are made. We have people from neuroscience, economics, and cognitive science participating (so far), including people participating through Google+ hangouts!, which will hopefully make lead to some productive discussions. […]

Brunton, B., Botvinick, M. & Brody, C. (2013). Rats and Humans Can Optimally Accumulate Evidence for Decision-Making, Science, 340 (6128) 95-98. DOI: 10.1126/science.1233912

Znamenskiy, P. & Zador, A. (2013). Corticostriatal neurons in auditory cortex drive decisions during auditory discrimination, Nature, 497 (7450) 482-485. DOI: 10.1038/nature12077

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Marijuana and Diabetes: Does Pot Make You Thin?

Teasing out the insulin effect. On the face of it, the study seems to come out of left field: A group of researchers claimed that marijuana smokers showed 16 per cent lower fasting insulin levels than non-smokers. The study, called “The Impact of Marijuana Use on Glucose, Insulin, and Insulin Resistance among US Adults,” is in press for The American Journal of Medicine. The authors are a diverse group of medical researchers from Harvard, Beth Israel Deaconess Medical Center, and […]

Penner E.A., Buettner H. & Mittleman M.A. (2013). The Impact of Marijuana Use on Glucose, Insulin, and Insulin Resistance among US Adults, The American Journal of Medicine, DOI: 10.1016/j.amjmed.2013.03.002

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3D patterning of blood vessels: Creating a fertile landscape for engineered tissues

Nepalese terraces. Photo: strudelt via Flickr . Picture traveling back in time to an era before cell phones (*shudder*). Before radios. Before germ theory. In fact, try taking yourself back to when written language was first being developed around 6000 BC. It’s hard to imagine. And yet while these societies may have lacked our freeways...Read more

Baranski J.D., Chaturvedi R.R., Stevens K.R., Eyckmans J., Carvalho B., Solorzano R.D., Yang M.T., Miller J.S., Bhatia S.N. & Chen C.S. & (2013). Geometric control of vascular networks to enhance engineered tissue integration and function., Proceedings of the National Academy of Sciences of the United States of America, PMID: 23610423

Vunjak-Novakovic G., Tandon N., Godier A., Maidhof R., Marsano A., Martens T.P. & Radisic M. Challenges in cardiac tissue engineering., Tissue engineering. Part B, Reviews, PMID: 19698068

Marolt D., Knezevic M. & Novakovic G.V. (2010). Bone tissue engineering with human stem cells., Stem cell research & therapy, PMID: 20637059

Metcalfe A.D. & Ferguson M.W.J. (2007). Tissue engineering of replacement skin: the crossroads of biomaterials, wound healing, embryonic development, stem cells and regeneration, Journal of The Royal Society Interface, 4 (14) 413-437. DOI: 10.1098/rsif.2006.0179

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Video Tip of the Week: Canary Database for sentinels of human health

Recently we attended the Medical Library Association conference (#MLAnet13). Librarians are working so hard to wrangle information into usable forms, and to generate new connections among data types to reveal new information and leads for further studies. I ♥ librarians. In one of the sessions I attended on Medical Informatics, I heard several great talks. One [...]

Rabinowitz, P., Scotch, M. & Conti, L. (2010). Animals as Sentinels: Using Comparative Medicine To Move Beyond the Laboratory, ILAR Journal, 51 (3) 262-267. DOI: 10.1093/ilar.51.3.262

Rabinowitz, P., Gordon, Z., Holmes, R., Taylor, B., Wilcox, M., Chudnov, D., Nadkarni, P. & Dein, F. (2005). Animals as Sentinels of Human Environmental Health Hazards: An Evidence-Based Analysis, EcoHealth, 2 (1) 26-37. DOI: 10.1007/s10393-004-0151-1

Rabinowitz, P., Cullen, M. & Lake, H. (1999). Wildlife as sentinels for human health hazards: a review of study designs, Journal of Environmental Medicine, 1 (4) 217-223. DOI: 10.1002/jem.33

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December 31, 2012

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