Post List

  • March 9, 2010
  • 02:56 PM

White-nose syndrome still devastating bats and challenging scientists

by Katie Kline in EcoTone

In an effort to conserve and research the endangered Virginia big-eared bat, the Smithsonian’s National Zoo took in 40 bats in November 2009. The goal was to establish a security population and to scientifically develop husbandry practices in a subspecies that researchers have not attempted to conserve before. ... Read more »

  • March 9, 2010
  • 02:35 PM

Evolutionary history of early primates places human origins in context

by Laelaps in Laelaps

A simplified evolutionary tree of primate relationships showing the placement of Darwinius in relationship to other groups. From Williams et al., 2010.

The study of human origins can be a paradoxical thing. We know that we evolved from ancestral apes (and, in fact, are just one peculiar kind of ape), yet we are obsessed with the features that distinguish us from our close relatives. The "big questions" in evolutionary anthropology, from why we stand upright to how our brains became so larg........ Read more »

Williams, B., Kay, R., & Kirk, E. (2010) New perspectives on anthropoid origins. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0908320107  

  • March 9, 2010
  • 01:00 PM

Finding the Ideal Cricket Mate Increases Lethal Parasitism Risk

by Michael Long in Phased

Cassandra Martin and William Wagner Jr (University of Nebraska-Lincoln, United States) have clearly demonstrated an indirect, yet lethal, cost shouldered by female crickets that is associated with a behavior commonly thought to enhance reproductive success. This news feature was written on March 9, 2010.... Read more »

  • March 9, 2010
  • 11:54 AM

Symptoms, Suffering, Parents and Pediatric Palliative Care in End-Stage Cancer, Part 1

by Brian McMichael, MD in Pallimed: a Hospice & Palliative Medicine Blog

On an article on retrospective, cross-sectional surveys of parents whose children died of cancer at least one year previously, with their experiences about, views on and endorsement of hypothetical vignettes of hastening death in end-stage, pediatric cancer. ... Read more »

Dussel V, Joffe S, Hilden JM, Watterson-Schaeffer J, Weeks JC, & Wolfe J. (2010) Considerations about hastening death among parents of children who die of cancer. Archives of pediatrics , 164(3), 231-7. PMID: 20194255  

  • March 9, 2010
  • 09:44 AM

Ecology and industry: bridging the gap between economics and the environment

by Marc Cadotte in The EEB and flow

Applied ecology is the science of minimizing human impacts and of supporting ecological systems in an economic landscape. Often though, applied ecologists work in isolation from those economic forces shaping biological landscapes, not really knowing what businesses would like to accomplish for habitat protection or sustainability. At the same businesses are seldom aware of the knowledge, tools and insight provided by ecologists. And perhaps, greater interaction could help turn ecology into a sci........ Read more »

Armsworth, P., Armsworth, A., Compton, N., Cottle, P., Davies, I., Emmett, B., Fandrich, V., Foote, M., Gaston, K., Gardiner, P.... (2010) The ecological research needs of business. Journal of Applied Ecology, 47(2), 235-243. DOI: 10.1111/j.1365-2664.2010.01792.x  

  • March 9, 2010
  • 09:10 AM

Chronic stress, neurogenesis and depression

by sandygautam in The Mouse Trap

Image via Wikipedia

Chronically stressful life events have been shown to lead to depression. Chronic stress leads to hyperactivity of HPA axis leading to more glucocorticoids (cortisol) in the human body. This excess cortisol in term is proposed to underlie the affective symptoms of depression. Also, depressive people have been found to have up to More >Rating: 0.0/10 (0 votes cast)

Related posts:Depression, Neurogenesis and Spatial navigation We all know that hippocampus is the s........ Read more »

  • March 9, 2010
  • 09:04 AM

Sleep deprivation impairs emotion recognition

by William Lu in The Quantum Lobe Chronicles

The ability to read emotions is an important part of the human experience; the only way to successfully navigate through complex social environments. It comes in handy especially if you don the title of psychotherapist or professional poker player. Without it, you become socially inept. You enter the world of the autistic individual.Thanks to Charles Darwin we now know that it’s not just the eyes that are “the windows to the soul”. He first wrote about the subject of facial expressions in ........ Read more »

van der Helm E; Gujar N; Walker MP. (2010) Sleep Deprivation Impairs the Accurate Recognition of Human Emotions. SLEEP, 33(3), 335-342. info:/

Ekman P, & Friesen WV. (1971) Constants across cultures in the face and emotion. Journal of personality and social psychology, 17(2), 124-9. PMID: 5542557  

  • March 9, 2010
  • 08:00 AM

Evaluating protected areas in China and North Korea

by Rob Goldstein in Conservation Maven

... Read more »

Tang, L., Shao, G., Piao, Z., Dai, L., Jenkins, M., Wang, S., Wu, G., Wu, J., & Zhao, J. (2010) Forest degradation deepens around and within protected areas in East Asia. Biological Conservation. DOI: 10.1016/j.biocon.2010.01.024  

  • March 9, 2010
  • 08:00 AM

A neuron for free will

by Zen Faulkes in NeuroDojo

The question for neuroscience is how nervous systems generate behaviour and cognition. In general, we think there’s a hierachical command scheme, as the quick and dirty sketch below shows.

It’s been hard to move from general principles and “black boxes” to real neurons. A good chunk of effort in neuroethology has gone into understanding the sensory capabilities of different animals, and cracking how pattern generators could generate the detailed plan for movements, especially rhythmic ........ Read more »

  • March 9, 2010
  • 07:00 AM

Psychotropics and Youth, Part 3 – Equip Teachers with Prescription Pads?

by Shaheen Lakhan in Brain Blogger

Contentious debate is brewing over the large role educators play role in recommending what students receive psychotropics, even though they have limited knowledge of treatment. Consider the standards by which one teacher described the benefits of psychotropics to researchers in a recent pilot investigation: the children are “better able to attend to their work… they [...]... Read more »

  • March 9, 2010
  • 05:33 AM

What are Anticancer Genes?

by Rick Scavetta in DNA Dude

We know that lots of genes are involved in cancer progression. For example, you’ve probably read something like “scientists have found the gene for such-and-such cancer” or something similar. What does that really mean? Are there really genes which cause cancer? And why do we have those genes anyways, if that’s all they do?
Generally speaking, [...]... Read more »

  • March 9, 2010
  • 05:30 AM

Baclofen against alcohol dependency

by David Bradley in SciScoop Science Forum

A marketing rep from GQ magazine emailed me today offering a story (an anecdotal tale) of an (ex)alcoholic who had tried the 12-step program and then discovered baclofen and is apparently cured. It’s certainly an intriguing thought: pop a pill, eradicate alcoholic cravings and dependency. The feature article, from a quick read through, is well [...]... Read more »

  • March 9, 2010
  • 05:00 AM

Automating bird surveys with remote sensors

by Rob Goldstein in Conservation Maven

Researchers have developed and tested an automated system for remotely surveying birds based on their vocalizations. The system involves using pole-mounted, remote sensors to collect ongoing acoustic data...... Read more »

  • March 9, 2010
  • 02:15 AM

Personality and Retirement

by Dr Shock in Dr Shock MD PhD

Who retires gracefully, who adjusts to retirement easily and who doesn’t. Which personality traits play a part in successful retirement?
The five factor model of personality or the Big Five can be used to see how personality traits are linked to how people adjust to retirement. It has been done in the past for other life [...]

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  • March 9, 2010
  • 12:46 AM

60,000 year old decorated ostrich eggshell canteens from Diepkloof, South Africa

by Julien Riel-Salvatore in A Very Remote Period Indeed

Sometimes, it's what a paper doesn't emphasize that's the most thought-provoking and has the most far-ranging implications. A case in point is the recent paper by Texier et al. (2010) on decorated (i.e., engraved/incised) ostrich eggshell fragments from the Middle Stone Age site of Diepkloof in South Africa. The paper provides a lot of information about the sequence of deposits at the site, as well as on their archaeological contents. They emphasize specifically the layers attributed to the Howi........ Read more »

  • March 8, 2010
  • 11:46 PM

Blood stem cells come in different types

by Mason Posner in A Fish Eye View

I love showing students new research that will ultimately lead to a revision in their textbooks.  Hey, something has got to make purchasing a new edition every two to three years seem worthwhile.  And it is even more fun when these research headlines come out as we are covering that very topic in class.  A [...]... Read more »

  • March 8, 2010
  • 11:15 PM

The Athlete Brain

by Allison in Dormivigilia

Recent progress in neuroscience suggests that athlete's are the masters of mind over matter, expending less brain energy while focusing more intently on motor procedural tasks compared to sedentary controls. ... Read more »

  • March 8, 2010
  • 10:42 PM

Brain Change Patterns in Developing Children

by Livia in Reading and Word Recognition Research

Accessibility Level: Intermediate-Advanced

What changes in the brain as children mature? Are there patterns in the way the changes occur? Do some regions mature more quickly than others?

Last time, we talked about a paper by Schlaggar et al that examined brain differences between children and adults during a word generation task. A study published in Cerebral Cortex by Brown and colleagues

... Read more »

  • March 8, 2010
  • 10:12 PM

The hidden global CO2 emissions of consumerism

by Phil Camill in Global Change: Intersection of Nature and Culture

It’s been easy for citizens of the developed, industrialized world to criticize China and India over their rapidly growing greenhouse gas emissions.  This was one of the major reasons why the Kyoto Protocol was never ratified in the United States.
As many have  pointed out, however, there are several flaws with this argument:

The per-capita C emissions [...]... Read more »

Steven J. Davis and Ken Caldeira. (2010) Consumption-based accounting of CO2 emissions . PNAS. info:/10.1073/pnas.0906974107

  • March 8, 2010
  • 08:04 PM

Sour Grapes

by Journal Watch Online in Journal Watch Online

Consumers place little value on 'eco-labeled' wines

... Read more »

Delmas, M.A., & L.E. Grant. (2010) Eco-labeling strategies and price-premium: The wind industry paradox. Business . info:/10.1177/0007650310362254

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