15 posts · 25,106 views
Technology is often times overwhelmingly amazing, and the advances afforded us by science-minded engineers in particular. They give us scientists on the experiment-side of the equation the ability to push the frontier of understanding in entirely new directions. When this happens it can range from a simple shove to a complete paradigm shift. It just so happens that quite recently an article was published in Nature that might accomplish the latter, and as it is at an interface I have recently bec........ Read more »
Yevgeniy B. Sirotin, & Aniruddha Das. (2009) Anticipatory haemodynamic signals in sensory cortex not predicted by local neuronal activity. Nature, 457(7228), 475-479. DOI: 10.1038/nature07664
Every now and again I enjoy a nice lump of cancer with my evolution coffee in the morning, and today happened to be one of those mornings. A paper published in PNAS appeared in my aggregator that I just couldn’t keep from devouring. Entitled Toward a genetics of cancer resistance, George Klein of the Karolinska Institute takes us on a brief tour of what we currently know about our susceptibility to cancer, and what it is evolution is telling us.
Klein introduces the topic of cancer resist........ Read more »
Human bipedal locomotion is arguably the most defining adaptation in the narrative of human evolution. It has altered the way our bodies dissipate heat, the way we give birth, and even the way we use our hands - to some extent it has influenced the function/morphology of every element of our anatomy. Of course, when such a bauplan altering adaptation evolves there are certain to be a few kinks along the way. Some of these kinks are much more than just minor flaws in function and morphology, and,........ Read more »
Jan-Willem M. Kouwenhoven, & René M. Castelein. (2008) The Pathogenesis of Adolescent Idiopathic Scoliosis. Spine, 33(26), 2898-2908. DOI: 10.1097/BRS.0b013e3181891751
Recently, I posted a bit of news regarding an article that appeared in The Journal of Experimental Biology. Well, I promised I would look into that matter further, and so here I am. The article, authored by Evie Vereecke and Peter Aerts, analyzes the mechanics of the gibbon foot in hopes of better understanding the [...]... Read more »
E. E. Vereecke, & P. Aerts. (2008) The mechanics of the gibbon foot and its potential for elastic energy storage during bipedalism. Journal of Experimental Biology, 211(23), 3661-3670. DOI: 10.1242/jeb.018754
Well, neither the tsetse nor the trypanosome actually “walk” per se… Anyway…
A while back I posted a brief “howsyourmother” on a PLoS ONE article discussing the role of trypanosomes in an extinction event on Easter Island during the late 19th century. As it turns out, in 2007, also in PLoS ONE, an article was published [...]... Read more »
Ewan Thomas Macleod, Alistair Charles Darby, Ian Maudlin, & Sue Christina Welburn. (2007) Factors Affecting Trypanosome Maturation in Tsetse Flies. PLoS ONE, 2(2). DOI: 10.1371/journal.pone.0000239
It doesn’t take a neonatologist to know how intimidating the multitude of potential issues are that come along with premature birth. Hypoglycemia, anemia, sepsis an intracranial hemorrhaging are a few of the complications pediatricians have to manage in the fight for life in the NICU. Thanks to a study published recently in the Journal [...]... Read more »
Kirsten Ferner, Ulrich Zeller, & Marilyn B. Renfree. (2008) Lung Development of Monotremes: Evidence for the Mammalian Morphotype. The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology. DOI: 10.1002/ar.20825
B. A Finney, P. M del Moral, W. J Wilkinson, S. Cayzac, M. Cole, D. Warburton, P. J Kemp, & D. Riccardi. (2008) Regulation of mouse lung development by the extracellular calcium-sensing receptor, CaR. The Journal of Physiology. DOI: 10.1113/jphysiol.2008.161687
In the infancy of this blog I posted some research discussing the effects of Islamic prayer on bone mineral density (BMD). It quickly became, and still is, my most popular blog post, and as such I keep a close eye on related research. Silly me, however, forgot the most simple of ways to do this, [...]... Read more »
D. Alper Hayirlioglu, Husnu Gokaslan, Canan Cimsit, & N. Ozden Serin. (2007) The impact of clothing style on bone mineral density among women in Turkey. Rheumatology International, 28(6), 521-525. DOI: 10.1007/s00296-007-0481-8
Nurettin Heybeli. (2008) Effect of prayer on osteoarthritis and osteoporosis: any difference between men and women?. Rheumatology International, 28(12), 1291-1292. DOI: 10.1007/s00296-008-0620-x
Bone mineral density (BMD) loss for women during this time period exceeded that of current populations (Mays et al., 1998). Interestingly, the results of such data have demonstrated that BMD loss in women during the medieval period declined prior to menopause (Beck et al., 1993; Manolagas & Jilka, 1995; Mays et al., 1998). This, Poulsen [...]... Read more »
Unlike osteoarthritis, one of the two traditional categories of arthritis, rheumatoid arthritis falls under the category of erosive arthropathies (Ortner, 2003). As a general rule, rheumatoid arthritis tends to affect the appendicular skeleton, and unlike osteoarthritis there is usually minimal reactive bone formation. It is the most common of erosive arthropathies in modern populations, effecting [...]... Read more »
S.C. Agarwal, M. Dumitriu, G.A. Tomlinson, & M.D. Grynpas. (2004) Medieval trabecular bone architecture: The influence of age, sex, and lifestyle. American Journal of Physical Anthropology, 124(1), 33-44. DOI: 10.1002/ajpa.10335
In the discipline of medieval archaeology, particularly with respect to the understanding of the daily lives of the people, rather than the castles, cathedrals and monasteries which they have built, very little is as important as the detrimental biological forces they face. Although, certainly, life is not defined entirely by its hardships, comprehension of a [...]... Read more »
Donald J. Ortner. (1968) Description and classification of degenerative bone changes in the distal joint surfaces of the humerus. American Journal of Physical Anthropology, 28(2), 139-155. DOI: 10.1002/ajpa.1330280212
Federalism and superstition speak low Breton; emigration and hatred of the Republic speak German; the counterrevolution speaks Italian, and fanaticism speaks Basque.
- Bertrand Barère de Vieuzac
Language ideology plays an important, yet often ignored, role in the creation and maintenance of community. In the context of the nation-state and its formation, in particular, the way in [...]... Read more »
Webb Keane. (1997) Knowing One's Place: National Language and the Idea of the Local in Eastern Indonesia. Cultural Anthropology, 12(1), 37-63. DOI: 10.1525/can.19126.96.36.199
Although certainly not the most invested-in of questions in the quest for uncovering primate origins, the understanding of manual lateralization has certainly proved to be interesting (and, arguably, important). As are many topics in primate origins research, the evolutionary path of manual lateralization (handedness, or right versus left handed) is not clear. Many attempts have [...]... Read more »
Lisette M.C. Leliveld, Marina Scheumann, & Elke Zimmermann. (2008) Manual lateralization in early primates: A comparison of two mouse lemur species. American Journal of Physical Anthropology, 137(2), 156-163. DOI/10.1002/ajpa.20852
I found this little ditty in this month’s issue of the journal Evolution. It’s entitled Ossification heterochrony in the therian postcranial skeleton and the marsupial-placental dichotomy , and does a very good job of exploring the differential rates of bone formation in marsupial (the fetus is nourished by a yolk-like sac) v. placental (the fetus is nourished by a placenta) mammals. The reason this is interesting (it’s not obvious, don’t worry), is that marsupials show very little mo........ Read more »
Vera Weisbecker, Anjali Goswami, Stephen Wroe, & Marcelo Sánchez-Villagra. (2008) OSSIFICATION HETEROCHRONY IN THE THERIAN POSTCRANIAL SKELETON AND THE MARSUPIAL-PLACENTAL DICHOTOMY. Evolution, 62(8), 2027-2041. DOI/10.1111/j.1558-5646.2008.00424.x
08.01.08 | Comment?
Prayer? Check. God’s love? Check. Low BMD? Che…Huh?
I came across this article and just couldn’t resist. I find that the many studies done on prayer attempt gauge its effectiveness, and from what I can see here they have all been coming from the wrong angle (Although, admittedly with great results ); do not search for how prayer itself may alter reality, instead look at how the physical process of praying effects the health of........ Read more »
Sema Yılmaz, Hamide Kart-Köseoglu, Ozgen Guler, & Eftal Yucel. (2007) Effect of prayer on osteoarthritis and osteoporosis. Rheumatology International, 28(5), 429-436. DOI: 10.1007/s00296-007-0466-7
The article I’m focusing on in this post is one recently published in The Anatomical Record by Alfred Rosenberger @ City University New York and Anthony Pagano @ the American Museum of Natural History. In the article the authors are asking the important question of whether or not a fused metopic (often called ‘frontal’) suture is a synapomorphic (shared derived) character of anthropoid primates.... Read more »
Alfred L. Rosenberger, & Anthony S. Pagano. (2008) Frontal Fusion: Collapse of Another Anthropoid Synapomorphy. The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology, 291(3), 308-317. DOI: 10.1002/ar.20647
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