Time for reflection (By Wieselblitz)Hi Mia! Love the lavender research! Learning that dogs show different behaviors when exposed to different scents could help us prime environments to be associated with particular dog behaviors and moods (you noted that exposure to peppermint and rosemary are associated with activity and barking while exposure to lavender and chamomile bring out resting). At the Horowitz Dog Cognition Lab, we have a new paper coming out soon in Learning and Motivation -- the s........ Read more »
Mason G., Clubb R., Latham N., & Vickery S. (2007) Why and how should we use environmental enrichment to tackle stereotypic behaviour?. Applied Animal Behaviour Science, 102(3-4), 163-188. DOI: 10.1016/j.applanim.2006.05.041
The geology of diamonds is fascinating in itself, but they also give insights into wider geological processes and history. Up until 1725, diamonds were only known from India. That all changed when Brazilians panning river sediments for gold, instead found diamonds. Recent … Continue reading →... Read more »
Harte, B., & Richardson, S. (2012) Mineral inclusions in diamonds track the evolution of a Mesozoic subducted slab beneath West Gondwanaland. Gondwana Research, 21(1), 236-245. DOI: 10.1016/j.gr.2011.07.001
Harte, B., & Cayzer, N. (2007) Decompression and unmixing of crystals included in diamonds from the mantle transition zone. Physics and Chemistry of Minerals, 34(9), 647-656. DOI: 10.1007/s00269-007-0178-2
Erin on the side of a river somewhere in western NC, hard at work study obviously.
Erin Abernethy is a Master’s student in the Odum
School of Ecology at the University of Georgia, where she is studying
scavenging ecology in Hawaii. Before coming to Athens, Erin lived in North
Carolina earning her BS in Biology at Appalachian State. For that degree,... Read more »
Guillette Jr., L., Pickford, D., Crain, D., Rooney, A., & Percival, H. (1996) Reduction in Penis Size and Plasma Testosterone Concentrations in Juvenile Alligators Living in a Contaminated Environment. General and Comparative Endocrinology, 101(1), 32-42. DOI: 10.1006/gcen.1996.0005
A new study by Saoirse Leonard and co-authors from the Institute of Zoology, London and the University of Liverpool model the potential survival of brown bears in an Irish glacial refugium. The study has just been published in Biology Letters, and is free to read.
The study examines the presence of the now extinct brown bear (Ursus arctos) in Ireland during the Last Glacial Maximum (between 15,000 and 24,000 years ago) and aims to address the possibility that bears survived in Ireland during ........ Read more »
Leonard, S., Risley, C., & Turvey, S. (2013) Could brown bears (Ursus arctos) have survived in Ireland during the Last Glacial Maximum?. Biology Letters, 9(4), 20130281-20130281. DOI: 10.1098/rsbl.2013.0281
Edwards, C., Suchard, M., Lemey, P., Welch, J., Barnes, I., Fulton, T., Barnett, R., O'Connell, T., Coxon, P., Monaghan, N.... (2011) Ancient Hybridization and an Irish Origin for the Modern Polar Bear Matriline. Current Biology, 21(15), 1251-1258. DOI: 10.1016/j.cub.2011.05.058
A new paper in the journal European Neurology reports on a remarkable case of perceptual distortion that’ll please any connoisseur of neurogothic: A 48-year-old woman woke up one morning without knowing where she was. She recognized her husband and finally realized that she was at home, but reported that she felt that all surroundings appeared [...]... Read more »
Delgado MG, & Bogousslavsky J. (2013) 'Distorteidolias' - Fantastic Perceptive Distortion. A New, Pure Dorsomedial Thalamic Syndrome. European neurology, 70(1), 6-9. PMID: 23652461
Human infants require a lot of care, and our evolution owes a lot of how well, and how long we take, to raise our offspring. So, it’s very important that not only parents pay close attention to their young children, it’s also evolutionary important that extended family members (grandparents, siblings, even friends) can give their attention to another person’s child... Read more »
Cárdenas, R., Harris, L., & Becker, M. (2013) Sex differences in visual attention toward infant faces. Evolution and Human Behavior. DOI: 10.1016/j.evolhumbehav.2013.04.001
In 1961, William Fairbank and Bascomb Deaver experimentally verified that magnetic flux can be quantized. This week I read an excellent paper on the history of the experiment. For those who aren't close to a library with access to the journal, (and for my own notes), here are a few of the highlights. For more info on the Fairbank/Deaver experiment see .The Other ExperimentThe first interesting thing you should know is that there was a similar experiment &n........ Read more »
Doll R., & Näbauer M. (1961) Experimental Proof of Magnetic Flux Quantization in a Superconducting Ring. Physical Review Letters, 7(2), 51-52. DOI: 10.1103/PhysRevLett.7.51
Byers N., & Yang C. (1961) Theoretical Considerations Concerning Quantized Magnetic Flux in Superconducting Cylinders. Physical Review Letters, 7(2), 46-49. DOI: 10.1103/PhysRevLett.7.46
Is 'cloning' appropriate terminology for somatic cell nuclear transfer derivation of human embryonic stem cells?... Read more »
Tachibana, M., Amato, P., Sparman, M., Gutierrez, N., Tippner-Hedges, R., Ma, H., Kang, E., Fulati, A., Lee, H., Sritanaudomchai, H.... (2013) Human Embryonic Stem Cells Derived by Somatic Cell Nuclear Transfer. Cell. DOI: 10.1016/j.cell.2013.05.006
In two recent posts, I have referenced a relatively-average psychologist (again, this psychologist need not bear any resemblance to any particular person, living or dead). I found this relatively-average psychologist to be severely handicapped in their ability to think about … Continue reading →... Read more »
Smallegange, R., van Gemert, G., van de Vegte-Bolmer, M., Gezan, S., Takken, W., Sauerwein, R., & Logan, J. (2013) Malaria Infected Mosquitoes Express Enhanced Attraction to Human Odor. PLoS ONE, 8(5). DOI: 10.1371/journal.pone.0063602
Synapses, the connections between neurons can strengthen and weaken depending on the specific activity at that synapse. This is called synaptic plasticity, and we've talked about it a lot on this blog (here, here, here and here).the strengthening and weakening of synaptic connections corresponds to the spine growing or shrinking (Matsuzaki 2007)However, there is another kind of plasticity that can occur at synapses. This is called homeostatic plasticity. And instead of the synapse strengthening ........ Read more »
Lee KJ, Queenan BN, Rozeboom AM, Bellmore R, Lim ST, Vicini S, & Pak DT. (2013) Mossy fiber-CA3 synapses mediate homeostatic plasticity in mature hippocampal neurons. Neuron, 77(1), 99-114. PMID: 23312519
The first evidence that climate change has affected fishing catches, revealed by William Cheung from the University of British Columbia and his team, shows tropical countries are set to be hardest hit.... Read more »
Cheung, W., Watson, R., & Pauly, D. (2013) Signature of ocean warming in global fisheries catch. Nature, 497(7449), 365-368. DOI: 10.1038/nature12156
-Scientific studies done with the “PAPER” array, one of the world-class scientific instruments in South Africa’s Karoo Radio Astronomy Reserve, is producing ground-breaking science and spectacular cosmic images, resulting in several important articles in top astronomy journals.
-The first scientific paper based on observations performed with South Africa’s new KAT-7 radio telescope, has been accepted for publication by the prestigious journal Monthly Notices of the Roy........ Read more »
SKA SA Project Office. (2013) Ground-breaking science and spectacular cosmic images from the PAPER instrument in the Karoo. SKA Africa . info:/
Blue Harvest @ Wikipedia @ Family GuyI need to create a suitable atmosphere for this post, so try this music for size and think Blue Harvest...Right. The wait is over. The discussions / arguments / objections / agreements are all confined to history. Drum roll, spotlight centre-stage... enter DSM-5 and into unknown territory we all go, particularly with autism, sorry.. autism spectrum disorders (ASDs) in mind.As you can see from the link above to the new diagnostic guidelines from the Ameri........ Read more »
Lai M-C, Lombardo MV, Chakrabarti B, & Baron-Cohen S. (2013) Subgrouping the Autism “Spectrum": Reflections on DSM-5. PLoS Biology. info:/
by Thomas Shultz in Evolutionary Games Group
Artem Kaznatcheev and I presented a poster on May 4th at the University of British Columbia to a highly interdisciplinary conference on religion. The conference acronym is CERC, which translates as Cultural Evolution of Religion Research Consortium. Most of the 60-some attendees are religion scholars and social scientists from North American and European universities. Many […]... Read more »
Kaznatcheev, Artem, & Shultz, Thomas R. (2011) Ethnocentrism maintains cooperation, but keeping one’s children close fuels it. Proceedings of the 33rd Annual Conference of the Cognitive Science Society, 3174-3179. info:/
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