Post List

  • August 18, 2009
  • 10:14 AM
  • 1,043 views

Methane from plants increased by climate change

by Katie Kline in EcoTone

The debate about climate change has focused on one polarizing gas: carbon dioxide. CO2 and its portrayal to the general public is controversial because on one hand, it’s essential for all life, since plants need to breathe too.  But on the other hand it’s a greenhouse gas that traps heat in our atmosphere, and in [...]

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  • August 18, 2009
  • 10:06 AM
  • 940 views

Unifying invader success and impact

by Marc Cadotte in The EEB and flow

Something that has continuously bothered me about our collective narrative concerning invasions has been the conflicting processes determining invader success and impact. Numerous studies (including some of my own) show that invaders are successful often because they are different from residents. That is, they are thought to occupy some unique niche. However, occupying a unique niche means that competition is minimized and these successful invaders should have relatively low impact on residents......... Read more »

MacDougall, A., Gilbert, B., & Levine, J. (2009) Plant invasions and the niche. Journal of Ecology, 97(4), 609-615. DOI: 10.1111/j.1365-2745.2009.01514.x  

  • August 18, 2009
  • 08:00 AM
  • 1,393 views

Predicting Your Next Click

by David Bradley in Sciencetext






Where are you headed after you read this post? The previous post, maybe a related post, my Twitter profile, out outbound link, an ad? I’d like to think you would stick around for a while read a few posts and maybe subscribe to the Sciencetext newsfeed or hook up with me on Twitter or Facebook, [...]Post from: David Bradley's Sciencetext Tips and Tricks


Predicting Your Next Click
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F. Khalil, J. Li, & H.Wang. (2009) Research collaboration crucial to meet food demands. Int. J. Knowledge and Web Intelligence, 1(1), 48-80. info:/

  • August 18, 2009
  • 07:30 AM
  • 884 views

H/SIV: Even worse than we thought

by iayork in Mystery Rays from Outer Space







“Disappointed chimpanzee” – J.M. Wood (from Darwin,
“The expression of the emotions in man and animals”, 1872)



Untreated HIV has very, very high mortality, but there are a few people who manage to survive for quite a long time without progressing to AIDS. These long-term non-progressors somehow keep their HIV levels quite low, and it was thought [...]... Read more »

Pereyra, F., Palmer, S., Miura, T., Block, B., Wiegand, A., Rothchild, A., Baker, B., Rosenberg, R., Cutrell, E., Seaman, M.... (2009) Persistent Low‐Level Viremia in HIV‐1 Elite Controllers and Relationship to Immunologic Parameters. The Journal of Infectious Diseases, 200(6), 984-990. DOI: 10.1086/605446  

Keele, B., Jones, J., Terio, K., Estes, J., Rudicell, R., Wilson, M., Li, Y., Learn, G., Beasley, T., Schumacher-Stankey, J.... (2009) Increased mortality and AIDS-like immunopathology in wild chimpanzees infected with SIVcpz. Nature, 460(7254), 515-519. DOI: 10.1038/nature08200  

  • August 18, 2009
  • 05:30 AM
  • 919 views

Should Hershey's recent study lead you to eat more chocolate?

by Yoni Freedhoff in Weighty Matters

Not according to one of the study's lead researchers.The study involved researchers looking at 45 people who were assigned to either eat a daily eight ounces of cocoa without sugar, eight ounces of cocoa with sugar, or eight ounces of placebo for six weeks.The findings?Of the 39 subjects who completed the trial (6 people dropped out of an eat chocolate every day trial?), "flow mediated dilation" improved in the groups consuming cocoa with no sugar (2.4 %) and cocoa with sugar (1.5%) when compare........ Read more »

  • August 18, 2009
  • 05:27 AM
  • 1,992 views

The Myth of Evolutionary Ascent

by Psi Wavefunction in Skeptic Wonder

Many physicists whine about the public's grotesque misunderstanding of basic concepts like centripetal force and electromagnetism. Some of those very physicists often like to consider biology to be a simple subject, delivering profound lines like "people still study evolution???". Of course, how can anyone have any problems understanding something that barely uses any formulas! Of all sciences, biology uses the smallest portion of the Greek alphabet, and hasn't even moved on to Hebrew yet. How c........ Read more »

  • August 18, 2009
  • 04:19 AM
  • 1,426 views

Unsighted Cite: The first graphite intercalation compound was not discovered by Schafhaeutl

by Abhishek Tiwari in Fisheye Perspective

In the spirit of my previous post, Unsighted Cite: Highly Cited Paper which was never written, I would like to explore how citation errors have manipulated our understanding about discovery of graphite intercalation compound (GIC) and exfoliated graphites? Despite the fact Schafhaeutl, a German scientist, did not discover the very first GIC, graphite bisulfate, majority of publications dealing with GICs managed to claim that, by citing his 1840 paper published in Journal fur praktische Chemie. ........ Read more »

  • August 17, 2009
  • 09:14 PM
  • 965 views

A small molecule probe discriminating between Aß amyloid oligomers and fibrils

by The Curious Wavefunction in The Curious Wavefunction

One of the conceptual shifts that the study of Alzheimer's disease has seen in the past few years is the realization that the long-studied insoluble Aß (1-42) amyloid fibrils may not be the real culprits in the disease. Instead the dubious distinction may belong to soluble Aß oligomers whose morphology differs from that of mature fibrils. Thus instead of focusing on one kind of Aß species, researchers are focusing on a broad range of oligomers and fully formed fibrils that differ in their arc........ Read more »

  • August 17, 2009
  • 09:00 PM
  • 840 views

Apparently, the moon hit their eyes like a big pizza pie

by Michael Clarkson in Conformational Flux

This post continues my series about selected articles from the dynamics-focused topical issue of JBNMR.It is helpful, in examining some NMR articles, to understand that NMR spectroscopists have a long and resilient tradition of giving their pulse sequences silly names. You can think of it as the biophysical equivalent of fly geneticist behavior. From the basic COSY and NOESY experiments (pronounced "cozy" and "nosy") to the INEPT spin-echo train, to more complicated pulse trains such as AMNESIA ........ Read more »

  • August 17, 2009
  • 07:17 PM
  • 1,178 views

The AGE-Breaker TRC4186 From Torrent Pharmaceuticals

by Reason in Fight Aging!

Back in late 2006, a lifetime ago in Internet Time, I briefly mentioned the efforts of Torrent Pharmaceuticals. They are one of the few groups doing any sort of serious work on AGE-breakers, compounds aimed at breaking down the advanced glycation endproducts (AGEs) that build up with age and cause all sorts of havoc in our biochemistry. One of the ways in which normal metabolic processes degrade important components in your body (such as kidneys, heart, skin and blood vessels) is through the gen........ Read more »

Joshi, D., Gupta, R., Dubey, A., Shiwalkar, A., Pathak, P., Gupta, R., Chauthaiwale, V., & Dutt, C. (2009) TRC4186, a Novel AGE-breaker, Improves Diabetic Cardiomyopathy and Nephropathy in Ob-ZSF1 Model of Type 2 Diabetes. Journal of Cardiovascular Pharmacology, 54(1), 72-81. DOI: 10.1097/FJC.0b013e3181ac3a34  

  • August 17, 2009
  • 03:15 PM
  • 1,481 views

Bottle feeding simulates child loss

by Bjørn Østman in Pleiotropy

Bottle feeding practices and hospital procedures that simulate child loss may increase the risk of postpartum depression and fall within a growing number of medical issues that could benefit from an evolutionary perspective.... Read more »

  • August 17, 2009
  • 02:47 PM
  • 1,337 views

DTC, medical journals and social media

by Sally Church in Pharma Strategy Blog

Researchers at Dana-Farber Cancer Institute in Boston recently administered a survey to 348 patients with a variety of cancers. The response rate was 75%, which was a pretty good response rate. Overall, 86.2% of patients reported being aware of cancer-related...... Read more »

  • August 17, 2009
  • 02:09 PM
  • 1,053 views

Diagonal Postures & The Descent from Human to Ape

by Aaron Filler, MD, PhD, FRCS in AK's Rambling Thoughts

Homeotics, Cladistics and the Triple Emergence of Closed Hand Gaits in Descendants of an Upright Ancestor of the ApesGuest Post by Aaron Filler, MD, PhD, FRCSIf an upright bipedal ancestor evolved first, why would three of its descendant lineages abandon orthograde posture and restore quadrupedal gaits to their repertoire?Firstly, we don't have to have an answer as to why it happened if that is indeed what happened. If it occurred, then it occurred whether or not we have proposed and accepted a ........ Read more »

  • August 17, 2009
  • 01:04 PM
  • 736 views

Autobiographical and nonautobiographical memory functioning in PTSD

by William Lu in The Quantum Lobe Chronicles

Posttraumatic stress disorder (PTSD) is a debilitating disorder characterized by altered memory functioning including the unintentional reliving of the traumatic experience. This feature of the disorder has been the focus of most PTSD studies, however rarely has there been an investigation on the aspect of disturbed intentional recall within the PTSD patient population. Jelinek et al. decided to address the paucity in this area of research by first clarifying central qualitative and quantitative........ Read more »

  • August 17, 2009
  • 12:00 PM
  • 754 views

The Social Side of Eating

by Christie Wilcox in Nutrition Wonderland

Much of nutrition focuses on the individual. You are responsible for picking the right foods, eating healthy, exercising, and doing what’s best for your body. Nutrition consultations are one-on-one, focused on the single person’s dietary needs and deficiencies. And that’s great – if you’re single, have no friends, and live and work by yourself. But the truth is most of us are a part of a larger network of people, whether it be because we’re married, work in a ........ Read more »

Mori D, Chaiken S, & Pliner P. (1987) "Eating lightly" and the self-presentation of femininity. Journal of personality and social psychology, 53(4), 693-702. PMID: 3681647  

Welch, N., Hunter, W., Butera, K., Willis, K., Cleland, V., Crawford, D., & Ball, K. (2009) Women's work. Maintaining a healthy body weight. Appetite, 53(1), 9-15. DOI: 10.1016/j.appet.2009.04.221  

  • August 17, 2009
  • 11:10 AM
  • 748 views

The new naturalists?

by Daniel in Ego sum Daniel

Some time ago I watched a documentary called Lord of the Ants (clips available online) about the brilliant Ed O. Wilson, a born Naturalist whom I've also had the pleasure of hearing in person, and I was struck by his enthusiasm for natural history and the traditional exploratory naturalist work. It fed my imagination and made me think about my own work as a biologist. I'm probably as far away as you can come from a field biologist, working as I do with online genome databases and DNA sequences,........ Read more »

  • August 17, 2009
  • 11:00 AM
  • 2,196 views

Those Cheating Testicles, or Who's Your Baby?

by Eric Michael Johnson in The Primate Diaries

Benjamin Franklin once quipped, "Where there's marriage without love there will be love without marriage." His affairs are well known in American history, however this founding father may have been stating a truth extending to evolutionary history as well.

Christopher Ryan (author of the forthcoming Sex at Dawn) offers some thoughts on the role of novelty in the sex lives of our favorite primate. He suggests that men are drawn to variety in sexual partners while women are drawn to variety in ........ Read more »

  • August 17, 2009
  • 10:58 AM
  • 686 views

Podcasting in Education

by Kristen DiCerbo in Connections Research Blog

Podcasting is a relatively new addition to many classrooms and as such, research on it is somewhat limited. McGarr recently reviewed existing studies and identified three types of usage:

Substantial – delivering full lectures
Supplemental – reviewing and/or synthesizing material
Creative – having students create podcasts

Podcasting is interesting to me because although it uses new technology, it largely [...]... Read more »

McGarr, O. (2009) A review of podcasting in higher education: Its influence on the traditional lecture. Australasian Journal of Educational Technology, 25(3), 309-321. info:/

  • August 17, 2009
  • 10:09 AM
  • 880 views

Schizophrenia: The Mystery of the Missing Genes

by Neuroskeptic in Neuroskeptic

It's a cliché, but it's true - "schizophrenia genes" are the Holy Grail of modern psychiatry.Were they to be discovered, such genes would provide clues towards a better understanding of the biology of the disease, and that could lead directly to the development of better medications. It might also allow "genetic counselling" for parents concerned about their children's risk of schizophrenia.Perhaps most importantly for psychiatrists, the definitive identification of genes for a mental illness w........ Read more »

  • August 17, 2009
  • 09:00 AM
  • 1,394 views

Poliovirus type 2 returns

by Vincent Racaniello in virology blog

The global battle to eradicate poliomyelitis is already 9 years behind schedule. To make matters worse, type 2 poliovirus, which was declared eradicated in 1999, has returned.
There are three serotypes of poliovirus, each of which causes poliomyelitis. The vaccine used by WHO in the global eradication effort is a trivalent preparation comprising all three serotypes. [...]... Read more »

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