Post List

  • March 17, 2010
  • 06:14 AM
  • 592 views

Measles week, Part III: Not the answers

by iayork in Mystery Rays from Outer Space

This is part III of Measles week. In Part II (“Emerging disease”) I talked about the origin of measles; in Part I (“Introduction”), I posed the question of why measles case-fatality rates dropped so dramatically over the first half of the 20th century (example chart of death rates here). Today I’m going to quickly [...]... Read more »

  • March 17, 2010
  • 05:53 AM
  • 944 views

Disclosure of their diagnosis impairs the social functioning of people with schizophrenia

by BPS Research Digest in BPS Research Digest

People don't need to be treated as a stereotype for harm to occur; their mere belief that they could be viewed in a stereotyped fashion is enough - a phenomenon known as 'stereotype threat'. For example, women reminded of the stereotype that men are better at maths tend to perform more poorly in a subsequent maths task, even if they are actually treated fairly. Now Julie Henry and colleagues have extended this line of research to the domain of mental health. They've found that patients with a sc........ Read more »

  • March 17, 2010
  • 05:32 AM
  • 1,005 views

Mmm... Food-Induced Seizures

by Neuroskeptic in Neuroskeptic

In a tasty new paper, British neurologists Kate El Bouzidi et al report on the case of a woman who suffered epileptic seizures whenever she saw, or tasted, food:A 44-year-old right-handed woman was walking in the Scottish highlands. Upon unwrapping her lunch, she had a focal seizure with witnessed onset on the right side of the face and secondary generalization... She was airlifted to hospital. Three weeks later, the smell of food triggered another seizure and she was admitted to the neurology u........ Read more »

El Bouzidi K, Duncan S, Whittle IR, & Butler CR. (2010) Lesional reflex epilepsy associated with the thought of food. Neurology, 74(7), 610-2. PMID: 20157165  

  • March 17, 2010
  • 05:00 AM
  • 1,106 views

Oil exploration causing long-term damage to arctic tundra

by Rob Goldstein in Conservation Maven

Proponents for drilling in the Arctic National Wildlife Refuge in Alaska and government regulators have generally assumed that conducting seismic activities in the winter would avoid damaging the sensitive tundra ecosystem. A new study throws this assumption into doubt...... Read more »

  • March 17, 2010
  • 04:47 AM
  • 1,231 views

Entre « effets de petit monde » et émiettement communautaire: la légitimation culturelle à l’heure de Facebook

by ---a in Bodyspacesociety.eu


par Antonio A. CASILLI (Centre Edgar-Morin, EHESS) [1]
Le texte qui suit a été présenté aux Journées d’études Les réseaux sociaux: Quoi de neuf ?, qui ont eu lieu à l’université de Toulouse II-Le Mirail, 16-17 mars 2010, dans le cadre des activités du Réseau Thématique 26 de l’Association Française de Sociologie.
La communication (ici en [...]... Read more »

Antonio A. Casilli . (2010) Légitimation intersubjective de la présence en ligne et formation de réseaux sociaux : Une approche ethno-computationnelle. II Journées d'études du RT 26 (Réseaux sociaux) de l'Association Française de Sociologie "Les réseaux sociaux: quoi de neuf ?", 16-17 mars, Université de Toulouse II - Le Mirail. info:/

  • March 16, 2010
  • 11:02 PM
  • 1,332 views

What's the difference between HeLa and HeLa S3 cells? Part III: Theodore "Ted" Puck, MD, and the first clonal isolation of human tumor cells

by David J Kroll in Terra Sigillata


This post is the third in a series on the origin and history of HeLa S3 cells. The first post details how I came about to ask this question when launching my independent research laboratory. The second post details the life and careers of the legendary physician-scientist pioneer, Dr. Florence Rena Sabin.



Today, we take up a discussion where we will finally learn the origin of HeLa S3 cells, complete with original literature citations.

A recap
We left our previous discussion with the final ........ Read more »

  • March 16, 2010
  • 08:08 PM
  • 637 views

Mad Neanderthals, peer review and scholarly publication

by Julien Riel-Salvatore in A Very Remote Period Indeed

There's been a growing rumble in the world of scientific publishing for the past several months, focusing especially on the nature and practices of the journal Medical Hypotheses. Briefly put, MH is a non-peer-reviewed journal that publishes original, controversial and thought-provoking ideas ("hypotheses" defined in the broadest possible sense, I guess you could say) about the medical realm sensu lato. Now, as reported by Science Insider, MH's editor, Bruce Charlton (here's his blog presenting ........ Read more »

  • March 16, 2010
  • 07:55 PM
  • 901 views

On the evolution of toilets

by Thomas Kluyver in Thomas' Plant-Related Blog


Just when you think you’ve seen it all, you learn about something completely unexpected. In this case, it’s a new way to get nitrogen, an important nutrient for all living things. Where the soil is poor in nitrogen, various plants have developed ways to trap insects and the like, among them the pitcher plants. Now [...]... Read more »

  • March 16, 2010
  • 05:36 PM
  • 831 views

To be here, or not to be

by Lorimer Moseley in BodyInMind

The feeling that ‘I’ am ‘here’ is a central component of our personal identity and sense of self. In a recent study[1], we asked what would happen to the representation of the body if we disrupted the feeling of the body being located at a single point in space. We used an illusion [...]... Read more »

  • March 16, 2010
  • 04:53 PM
  • 1,531 views

Earth's forgotten youth - and beyond

by Chris Rowan in Highly Allochthonous



The further back in time we go, the more and more fragmented the Earth's geological record becomes. Whilst not exactly common, rocks with ages up to about 3.5 billion years old are found at multiple points on the Earth's surface. However, rocks older than this are much less common. Extensive outcrops older than about 3.8 billion years are exceptionally rare, possibly because a series of very large meteorite impacts prior to this time - the Late Heavy Bombardment - largely destroyed any older ........ Read more »

Goldblatt, C., Zahnle, K. J., Sleep, N. H., & Nisbet, E. G. (2010) The Eons of Chaos and Hades. Solid Earth, 1-3. info:/

  • March 16, 2010
  • 12:45 PM
  • 540 views

A new test of the Light:Nutrient hypothesis

by JL in Analyze Everything

To review: I love ecological stoichiometry (ES). I find it a fascinating subject and a useful framework for understanding ecological phenomena. However, ES is still relatively new, with a lot of the empirical work restricted to plankton (esp. Daphnia and algae). So it is always interesting to see theories developed predominantly in the pelagic system examined in other habitats.One of the more... Read more »

  • March 16, 2010
  • 11:07 AM
  • 593 views

Sea Change

by Journal Watch Online in Journal Watch Online

Iron fertilization could increase toxin production in ocean

... Read more »

Trick, C.G. et al. (2010) Iron enrichment stimulates toxic diatom production in high-nitrate, low-chlorophyll areas. Proceedings of the National Academy of Sciences. info:/10.1073/pnas.0910579107

  • March 16, 2010
  • 10:54 AM
  • 1,011 views

Do infants prefer music over speech?

by Henkjan Honing in Music Matters

In this weeks online edition of PNAS Marcel Zentner and Tuomas Eerola report on a study in which they carried out two experiments with a total of 120 infants, aged between 5 and 24 months. The infants were exposed to various musical and rhythmic stimuli, including isochronous drumbeats. Control stimuli consisted of adult- and infant-directed speech. The researchers could show that infants engage significantly more in rhythmic movement to music, and other rhythmically regular sounds, than to spee........ Read more »

Zentner, M., & Eerola, T. (2010) Rhythmic engagement with music in infancy. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1000121107  

  • March 16, 2010
  • 10:09 AM
  • 1,060 views

Remote control of peptide screw sense

by The Curious Wavefunction in The Curious Wavefunction

As is well-known, peptides helices can be right or left handed. Many details of structure, amino acid identity and orientation can control this screw sense, and sometimes the controlling factors can be quite subtle. In a JACS communication, Jonathan Clayden (yes, the co-author of the amazing organic chemistry textbook) and his group uncover a surprising factor that controls the helical screw sense and also incorporate a neat "reporter group" to monitor the screw sense.But this reporter group is ........ Read more »

  • March 16, 2010
  • 10:08 AM
  • 1,604 views

Zebrafish used to visualize blood stem cell generation

by Mason Posner in A Fish Eye View

Understanding how blood cells are formed is not only important for developing treatments against numerous diseases, but also teaches us more about the fascinating process of turning stem cells into their specialized descendants.  Recent work suggests that the initial stem cell that produces all of our blood’s formed elements (cells) comes in two flavors.  But [...]... Read more »

  • March 16, 2010
  • 10:03 AM
  • 870 views

What is "Self Transcendence"?

by Neural Outlaw in Neural Interface

A recent study by Italian researchers uncovered the fact that neurosurgery involving certain brain structures can effect personality changes that make one feel more "spiritual". 88 patients underwent pre- and post-surgical personality assessments while treated for tumours, and the results were combined with lesion mapping procedures (to precisely locate lesions) after surgery to measure changes in a personality construct called Self-Transcendence (ST). It was found that patients with p........ Read more »

Cloninger CR, Svrakic DM, & Przybeck TR. (1993) A psychobiological model of temperament and character. Archives of General Psychiatry, 50(12), 975-90. PMID: 8250684  

  • March 16, 2010
  • 09:43 AM
  • 1,231 views

Editorial Support, CME, and the Primary Care Companion

by CL Psych in Clinical Psychology & Psychiatry

By now, everyone who has been paying attention should know that a journal article which lists "editorial support" is an article that was ghostwritten. Yet the average reader of these articles is apparently uninformed enough to not care. Why else would so many articles get published which feature "editorial support provided by [insert name of ghostwriter here]." One my my favorite journals, under the "so bad, it's good" category, is the Primary Care Companion to the Journal of Clinical P........ Read more »

Thase, M., Gaynes, B., Papakostas, G., Shelton, R., & Trivedi, M. (2009) Tackling Partial Response to Depression Treatment. The Primary Care Companion to The Journal of Clinical Psychiatry, 11(4), 155-162. DOI: 10.4088/PCC.8133ah3c  

  • March 16, 2010
  • 09:06 AM
  • 928 views

Research roundup

by Elements Science in Elements Science

Sexual ambiguity crosses species in this week's research roundup.... Read more »

  • March 16, 2010
  • 08:00 AM
  • 812 views

My Nephew and his Brain, Part 2 – Revealed to be Complicated

by Shaheen Lakhan in Brain Blogger

Continued from Part 1. After we had arrived at the new hospital and my nephew had been placed into the Pediatric ICU (PICU), the doctors started running more tests, and in conjunction with what the ER doctor had found out, my nephew was diagnosed with a seizure disorder or, as it is more commonly known, [...]... Read more »

  • March 16, 2010
  • 07:14 AM
  • 979 views

Spotlight on Inactivity

by PhD Blogger in Exercise Psychology

A report published yesterday in the UK by Professor Sir Liam Donaldson the UK Government's Chief Medical Officer, and the professional head of all medical staff in England, draws attention to the role of inactivity in the nations health. The report states that "the benefits of regular physical activity to health, longevity, well being and protection from serious illness have long been established. They easily surpass the effectiveness of any drugs or other medical treatment. The challenge f........ Read more »

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