Post List

  • August 26, 2011
  • 03:37 PM
  • 1,921 views

Front yards, minus the grass

by Tim De Chant in Per Square Mile

If you were on a quest to rid the world of excess turf grass, the front lawn would be a good place to start. No one does anything with their grassy front lawn except mow it. Back yards are far more amenable to relaxation and play—they’re sheltered from the noise of the street, protected by [...]... Read more »

Nassauer, Joan Iverson. (1993) Ecological function and the perception of suburban residential landscapes. Managing Urban and High Use Recreation Settings, General Technical Report, USDA Forest Service North Central Forest Exp. Sta., St. Paul, MN., 55-60. info:/

  • August 26, 2011
  • 02:49 PM
  • 957 views

Part 2 of 2: Inflammation and Exercise: friend or foe?

by Kausik Datta in In Scientio Veritas

As I mentioned in Part 1 of this two-part post, inflammation is a two-edged sword, requiring a fine balance between initiation and termination, in order to promote health and not disease. With this idea in mind, I came across...... Read more »

Grounds MD, White JD, Rosenthal N, & Bogoyevitch MA. (2002) The role of stem cells in skeletal and cardiac muscle repair. The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 50(5), 589-610. PMID: 11967271  

Krause MP, Liu Y, Vu V, Chan L, Xu A, Riddell MC, Sweeney G, & Hawke TJ. (2008) Adiponectin is expressed by skeletal muscle fibers and influences muscle phenotype and function. American journal of physiology. Cell physiology, 295(1). PMID: 18463233  

Suzuki K, Nakaji S, Yamada M, Liu Q, Kurakake S, Okamura N, Kumae T, Umeda T, & Sugawara K. (2003) Impact of a competitive marathon race on systemic cytokine and neutrophil responses. Medicine and science in sports and exercise, 35(2), 348-55. PMID: 12569227  

  • August 26, 2011
  • 02:44 PM
  • 735 views

Part 1 of 2: Inflammation: A two edged sword

by Kausik Datta in In Scientio Veritas

Inflammatory mechanisms are very important for the innate defence system of the body. When the host body encounters stimuli it perceives as harmful, such as pathogens and/or products thereof, injured cells or tissue, or any foreign object that irritates...... Read more »

Casadevall, A., & Pirofski, L. (2003) The damage-response framework of microbial pathogenesis. Nature Reviews Microbiology, 1(1), 17-24. DOI: 10.1038/nrmicro732  

  • August 26, 2011
  • 02:11 PM
  • 2,118 views

Mammals with bigger brains are better “athletes”

by Dave Munger in Science-Based Running

How do you measure a non-human animal’s VO2 max? Put it on a treadmill, just like you would with a human. What do you do with that information? If you’re David Raichlen and Adam Gordon, you use it to figure out if there’s any relationship between an animal’s ability as an “endurance athlete” and its [...]... Read more »

  • August 26, 2011
  • 01:18 PM
  • 2,017 views

Of Mice and Men or: Revisiting the Ortholog Conjecture

by Iddo Friedberg in Byte Size Biology

I  have posted quite a few times before about the acquisition of new functions by genes. In many cases a gene is duplicated, and one of the duplicates acquires a new function. This is one basic evolutionary mechanism of acquiring new functions. Sometimes, gene duplication occurs within a species: part of the chromosome may be [...]... Read more »

  • August 26, 2011
  • 12:03 PM
  • 1,535 views

The Comeback Cove

by Whitney Campbell in Green Screen

Great news for conservation is always exciting, so when I read about a remarkable wildlife rebound in this month's issue of PLoS ONE, I couldn't resist sharing it here. ... Read more »

  • August 26, 2011
  • 11:14 AM
  • 1,274 views

Can we halt memory loss as we get older?

by Pieter Droppert in Biotech Strategy Blog

It’s a fact of human life that we lose physical and mental function as we get older. In the information age that we currently live in, this translates into a decline in our ability to function and perform the activities … Continue reading →

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Wang, M., Gamo, N., Yang, Y., Jin, L., Wang, X., Laubach, M., Mazer, J., Lee, D., & Arnsten, A. (2011) Neuronal basis of age-related working memory decline. Nature, 476(7359), 210-213. DOI: 10.1038/nature10243  

  • August 26, 2011
  • 10:30 AM
  • 1,805 views

Clumping is good; controlled clumping is better

by Becky in It Takes 30

When I pouted last week about the fact that other writers had beaten me to the punch in discussing an interesting recent paper on the fitness benefits of clumping in yeast, I had somehow failed to notice that another, similarly fascinating, paper on a related topic had just come out from the Bassler lab (Nadell and Bassler 2011. A fitness trade-off between local competition and dispersal in Vibrio cholerae biofilms. PNAS doi:10.1073/pnas.1111147108). This paper is looking at the formation of b........ Read more »

Nadell CD, & Bassler BL. (2011) A fitness trade-off between local competition and dispersal in Vibrio cholerae biofilms. Proceedings of the National Academy of Sciences of the United States of America. PMID: 21825170  

  • August 26, 2011
  • 09:30 AM
  • 1,221 views

Human evolution: cavemen’s secret

by Maria Delaney in Science Calling

A few weeks ago, I wrote about an exciting area of neuroscience, Optogenetics, that had rapidly developed since I left college. Another area which has seen huge changes in the past few years is the study of human evolution, specifically the role played by Neanderthals in our past. In the typical picture of evolution, the Neanderthal is often depicted as a caveman holding a large stick. Neanderthals were our closest relatives and have been extinct for about 30,000 years. They lived in Europe from........ Read more »

Abi-Rached L, Jobin MJ, Kulkarni S, McWhinnie A, Dalva K, Gragert L, Babrzadeh F, Gharizadeh B, Luo M, Plummer FA.... (2011) The shaping of modern human immune systems by multiregional admixture with archaic humans. Science (New York, N.Y.), 334(6052), 89-94. PMID: 21868630  

  • August 26, 2011
  • 08:50 AM
  • 1,813 views

Penis Spines, Pearly Papules, and Pope Benedict’s Balls

by Eric Michael Johnson in The Primate Diaries

Author’s note: The following originally appeared as a guest post at A Primate of Modern Aspect and subsequently formed the basis for a technical comment published by Nature co-authored with John Hawks. This post is also notable in that it began my collaboration with artist Nathaniel Gold. There is very little known about the reign [...]









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McLean, C., Reno, P., Pollen, A., Bassan, A., Capellini, T., Guenther, C., Indjeian, V., Lim, X., Menke, D., Schaar, B.... (2011) Human-specific loss of regulatory DNA and the evolution of human-specific traits. Nature, 471(7337), 216-219. DOI: 10.1038/nature09774  

  • August 26, 2011
  • 07:01 AM
  • 2,284 views

On the experimental generation of endogenous (non-retroviral) RNA viruses

by Connor Bamford in The Rule of 6ix



A retrovirus. http://www.itqb.unl.pt/

The sheer amount of genomic data now available from a wide range of species has allowed the increased scrutiny over what genes and DNA sequences are present in their chromosomes. What we have begun to notice is that many of these sequences have a viral origin. 

And, in the recent half-decade, the numbers of these endogenous viruses discovered have rapidly increased, but how did they get there? What are they doing? And, are they bad for us? Only a tr........ Read more »

  • August 26, 2011
  • 05:16 AM
  • 2,440 views

Prolific gossipers are disliked and seen as weak

by BPS Research Digest in BPS Research Digest

Gossip might be the social glue that binds us, but prolific proponents of tittle-tattle should beware - gossipers are perceived not just as unlikeable but also as lacking social influence.

Sally Farley made her finding after asking 128 participants (mostly female students) to imagine someone they knew, who either did or didn't gossip a lot, and to rate that person for likeability and social influence, plus there were 21 other distracter items. To further conceal the true aims of the study, the ........ Read more »

  • August 26, 2011
  • 04:00 AM
  • 1,149 views

Selectively targeting renal cell carcinoma by synthetic lethality

by Joana Guedes in BHD Research Blog

A major challenge in developing effective cancer therapies is targeting the tumour cells without harming the surrounding healthy tissue. A technique often used to identify such drugs is synthetic lethality. The basis of this technique is that the inhibition of … Continue reading →... Read more »

  • August 26, 2011
  • 02:50 AM
  • 1,941 views

Does internationalization change research content?

by Ingrid Piller in Language on the Move

Every linguistics undergraduate student is by now familiar with the fact of linguistic imperialism in academic publishing where the pressure to publish in international journals translates into the pressure to publish in English, leaving researchers from non-English-speaking backgrounds at a … Continue reading →... Read more »

  • August 26, 2011
  • 01:42 AM
  • 2,408 views

A Whole New World: My Beginnings as a Student of Journalism

by Paige Brown in From The Lab Bench

This week, I started graduate classes for the first time as a student of Mass Communications at the LSU Manship School. Yahoo!
Thus begins my jump from a PhD in Biomedical Engineering to an advanced degree studying science journalism!
... Read more »

PH Longstaff. (2005) Security, resilience, and communication in unpredictable environments such as terrorism, natural disasters, and complex technology. Center for Information Policy Research. info:/

  • August 26, 2011
  • 01:00 AM
  • 668 views

No Promoter is an Island: Methylation Affects Transcription Even Without CpG Clusters

by Chris Womack in E3 Engaging Epigenetics Experts

Last week I stumbled on an interesting finding–or so it seems to me. Even genes whose promoters aren’t near CpG islands can be regulated by DNA methylation.... Read more »

  • August 26, 2011
  • 12:04 AM
  • 1,967 views

Antiviral Peanut Butter

by Jennifer Ring in Antiviral Immunity

Discusses antiviral activities of resveratrol, a substance found in peanut butter... Read more »

Ibern-Gómez M, Roig-Pérez S, Lamuela-Raventós RM, & de la Torre-Boronat MC. (2000) Resveratrol and piceid levels in natural and blended peanut butters. Journal of agricultural and food chemistry, 48(12), 6352-4. PMID: 11312807  

Campagna, M., & Rivas, C. (2010) Antiviral activity of resveratrol. Biochemical Society Transactions, 38(1), 50. DOI: 10.1042/BST0380050  

  • August 25, 2011
  • 07:30 PM
  • 1,813 views

170,000 year-old human skull fragment found at Lazaret

by Julien Riel-Salvatore in A Very Remote Period Indeed

A couple of weeks ago (Aug. 13, to be precise), part of a hominin frontal skull fragment was found during excavations at Grotte du Lazaret, near Nice, France. The find was first reported in a series of French media outlets, but it wasn't removed until just a couple of days ago, after it was apparently given time to dry, as reported in the first English-language report I've seen about the find. ... Read more »

  • August 25, 2011
  • 06:50 PM
  • 2,856 views

Those giant killer pigs from hell aren’t pigs

by Darren Naish in Tetrapod Zoology

If you’ve been with Tet Zoo since the early days, you’ll have seen this image before – and, even if you haven’t seen it on Tet Zoo you might have seen it anyway, since everyone loves this model and it’s mentioned just about any time that entelodonts are. Yes, it’s an entelodont – a member [...]... Read more »

Joeckel, R. M. (1990) A functional interpretation of the masticatory system and paleoecology of entelodonts. Paleobiology, 459-482. info:/

  • August 25, 2011
  • 06:00 PM
  • 970 views

Designing a research project

by Aaron Berdanier in Biological Posteriors

Choosing a good research project is important but also very hard. Early career scientists and graduate students are tasked with developing projects that will produce useful outcomes (socially and scientifically). But, as Scott Lanyon (1995) notes, "research is not an activity with guarantees." Here I bring together a couple of points made by other biologists to produce a synthetic understanding of a successful research project.... Read more »

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