Post List

  • January 14, 2011
  • 10:45 AM

Computer-enhanced images with almost perfect resolution

by Joerg Heber in All That Matters

I used to laugh at those TV series and movies where crime investigators could take a surveillance camera photo, however fuzzy and blurred, and enhance its resolution beyond belief to the point where every possible (and impossible) detail becomes visible. I stopped laughing last week at a conference when I became aware of a 2009 [...]... Read more »

  • January 14, 2011
  • 10:00 AM

Eodromaeus Adds Context to Dinosaur Origins

by Brian Switek in Dinosaur Tracking

Tracking the origin of the dinosaurs has been one of the most difficult tasks paleontologists have faced, but since the 1990s, multiple discoveries in South America have provided scientists with a look at what some of the earliest dinosaurs were like. Eoraptor, Herrerasaurus and the recently-described Panphagia are among the oldest representatives of the famous [...]... Read more »

Martinez, R., Sereno, P., Alcober, O., Colombi, C., Renne, P., Montanez, I., & Currie, B. (2011) A Basal Dinosaur from the Dawn of the Dinosaur Era in Southwestern Pangaea. Science, 331(6014), 206-210. DOI: 10.1126/science.1198467  

  • January 14, 2011
  • 09:19 AM

Sailing: Relaxing Pastime or Dangerous Sport?

by Terri Sundquist in Promega Connections

Sailing has always struck me as a civilized, relaxing way to spend a beautiful summer day. I imagine sitting on the boat’s deck in a sundress with a big floppy hat to keep the sun off of my face, a cold beverage in hand and perhaps a picnic basket of sandwiches at my feet. What [...]... Read more »

Nathanson AT, Baird J, & Mello M. (2010) Sailing injury and illness: results of an online survey. Wilderness , 21(4), 291-7. PMID: 21168780  

  • January 14, 2011
  • 08:40 AM

Cervical neck rotation for headache diagnosis

by Robert Badgett in ClinDx

Patients with less than 30 degrees of cervical rotation during neck flexion were less likely to have migraine headaches and more likely to have cervicogenic headache.... Read more »

  • January 14, 2011
  • 08:03 AM

Simple Jury Persuasion: Keep them from going with the immoral flow!

by Doug Keene in The Jury Room

This isn’t a ‘feel good’ post about research into how we are driven to do good. Instead, it’s a post about how we don’t mind doing bad if it’s easier than doing (the more difficult) good. Those folks who advertise with the ‘easy’ button know a good thing when they see it. And it’s an [...]

Related posts:Simple Jury Persuasion: Christian religious concepts increase racial prejudice
Simple Jury Persuasion: You may want to disagree with this post
Simple Jury Persuasion: On caffe........ Read more »

Teper, R., & Inzlicht, M. (2010) Active transgressions and moral elusions: Action framing influences moral behavior. Social Psychological and Personality Science. info:/

Johnson, E. (2003) MEDICINE: Do Defaults Save Lives?. Science, 302(5649), 1338-1339. DOI: 10.1126/science.1091721  

  • January 14, 2011
  • 07:19 AM

Performance Anxiety? Try Writing About It.

by Sharon Neufeldt in I Can Has Science?

Choking under pressure can happen to the best of us. Students with test anxiety often perform below their abilities, and baseball pitchers can let ruin a perfect game. But a new study published in Science suggests that taking a few … Continue reading →... Read more »

  • January 14, 2011
  • 06:47 AM

Agricultural biodiversity crucial to the agricultural “revolution”

by Jeremy in Agricultural Biodiversity Weblog

I’ve started dabbling in the marshy shallows around the deep pool of my ignorance of the modern history of agriculture, and one thing has become even more obvious. Mixed farming — mixed species of crop as well as mixed kingdoms of plants and animals — was without a doubt the sine qua non of both [...]... Read more »

  • January 14, 2011
  • 06:00 AM

Paucis Verbis card: Workup for first-time seizure

by Michelle Lin in Academic Life In Emergency Medicine

How do you workup adult patientsm who present with a new-onset seizure and now neurologically back to normal?There unfortunately is very little recent literature about the best workup approach. In 1994, the American College of Emergency Physicians (ACEP) published a Clinical Policy based on expert consensus. The EM Clinics of North America series also just published a review on the topic. The bottom-line is that there are two types of workup approaches.For the uncomplicated cases (age less ........ Read more »

  • January 14, 2011
  • 05:30 AM

The smell of supper — and Staphylococcus

by Becky in It Takes 30

I wrote a while ago about mate choice in Drosophila being influenced by differences in the bacteria carried by flies fed on different diets. Now a new paper (Verhulst et al. 2010. Differential attraction of malaria mosquitoes to volatile blends produced by human skin bacteria.  PLoS ONE doi:10.1371/journal.pone.0015829) suggests that bacteria influence not only mate [...]... Read more »

Verhulst NO, Andriessen R, Groenhagen U, Bukovinszkiné Kiss G, Schulz S, Takken W, van Loon JJ, Schraa G, & Smallegange RC. (2010) Differential attraction of malaria mosquitoes to volatile blends produced by human skin bacteria. PloS one, 5(12). PMID: 21209854  

  • January 14, 2011
  • 01:14 AM

Friday Weird Science: You know what they say about guys with big feet…

by Scicurious in Neurotic Physiology

…they wear big socks. No, really, you KNOW what they say about guys with big feet. Everyone learned some time in middle school that guys with big feet were supposed to have big penises. This is related to the idea that longer, or bigger, penises are associated with increased masculinity or better abilities in the [...]... Read more »

Shah, J., & Christopher, N. (2002) Can shoe size predict penile length?. BJU International, 90(6), 586-587. DOI: 10.1046/j.1464-410X.2002.02974.x  

  • January 13, 2011
  • 08:45 PM

Google Violates Benford's Law, Arrest Warrant Issued

by Jon Wilkins in Lost in Transcription

So, Google has already had it's Twitter account subpoenaed, and can look forward to months of molestation enhanced screening at the airport, all thanks to its brazen violation of Benford's Law.

What is this Benford's Law thing?

It is a statement that if you look at lists of numbers in empirical data, the first non-zero digit is distributed in a very specific way. At least for certain kinds of data. Specifically, if the logarithms of the numbers you are looking at are uniformly distributed, the........ Read more »

Frank Benford. (1938) The law of anomalous numbers. Proceedings of the American Philosophical Society, 78(4), 551-572. info:other/

  • January 13, 2011
  • 03:54 PM

Is Erythropoetin (EPO) a Candidate Drug for Depression?

by William Yates, M.D. in Brain Posts

Erythropoetin (EPO) is a naturally produced hormone that controls erythropoiesis (red blood cell production).  It’s been commercially available in the U.S. since 1989 and is used commonly used to combat anemia associated with chemotherapy treatment in cancer.  In addition to its effect on red blood cells, EPO appears to play a key role in the brain response to neuronal injury and some role in the healing of wounds.EPO is infamous because of its use by cyclists and other athletes for ........ Read more »

  • January 13, 2011
  • 01:51 PM

Fibroblast Growth Factor Receptors (FGFR) and carcinogenesis

by Sally Church in Pharma Strategy Blog

At the recent International Society of Gastroenterological Carcinogenesis (ISGC) meeting hosted by MD Anderson Cancer Centre that I attended in Houston, one of the topics mentioned the potential role of Fibroblast Growth Factor Receptors (FGFR) in carcinogenesis. I thought this … Continue reading →... Read more »

Haugsten, E., Wiedlocha, A., Olsnes, S., & Wesche, J. (2010) Roles of Fibroblast Growth Factor Receptors in Carcinogenesis. Molecular Cancer Research, 8(11), 1439-1452. DOI: 10.1158/1541-7786.MCR-10-0168  

Hanahan, D., & Weinberg, R. (2000) The Hallmarks of Cancer. Cell, 100(1), 57-70. DOI: 10.1016/S0092-8674(00)81683-9  

Roidl A, Berger HJ, Kumar S, Bange J, Knyazev P, & Ullrich A. (2009) Resistance to chemotherapy is associated with fibroblast growth factor receptor 4 up-regulation. Clinical cancer research : an official journal of the American Association for Cancer Research, 15(6), 2058-66. PMID: 19240166  

  • January 13, 2011
  • 01:39 PM

The Myth of the Happy Living Donor

by Cristy at Living Donor 101 in Living Donors Are People Too

I was recently reading the AMA's Council on Ethical and Judicial Affair's statement on nonsimultaneous living kidney donation (aka kidney pairs, swaps and chains, especially those that occur over a period of time). At one point, it said:Benefits may include rewarding feelings of helping another, of empowerment, or of increased self-esteemThe thing about documents like this and statements like that is that the authors are required to back it up. So I consult the reference and it is - shock - anot........ Read more »

Johnson EM, Anderson JK, Jacobs C, Suh G, Humar A, Suhr BD, Kerr SR, & Matas AJ. (1999) Long-term follow-up of living kidney donors: quality of life after donation. Transplantation, 67(5), 717-21. PMID: 10096528  

  • January 13, 2011
  • 01:17 PM

Playing chicken, single molecule

by Vasili Hauryliuk in stringent response

Many things happen to DNA. Proteins bind, slide along, dissociate. Sometimes they bump into each other, and then... what happens then?This was exactly the question adressed in Finkelstein at al, Nature 2010. They were particularly interested in a bacterial protein called RecBCD, which is a powerful helicase. Using single-molecule microscopy theyhad a look at what happens when RecBCD rams into some other protein.And they had several to look at. RNA polymerase was the........ Read more »

  • January 13, 2011
  • 12:30 PM

Nicotinic agonist improves cognitive performance

by Tantalus Prime in Tantalus Prime

Anyone who has spent some time around individuals diagnosed with schizophrenia can tell you one thing: they smoke. Even now that smoking amongst the general population has fallen to around 25% (depending upon who is doing the measuring and who is being measured) prevalence of smoking behavior amongst patients with schizophrenia ranges from 60 to 90%. So, why is that?Researchers have believed for some time that this is a form of self-medication, and there is evidence that smoking improves perform........ Read more »

  • January 13, 2011
  • 11:03 AM

The Tangled History of Connecticut’s Anchisaurus

by Brian Switek in Dinosaur Tracking

East Coast dinosaurs are relatively rare finds, often because the geological formations in which they rest have been built over. Dinosaurs surely remain to be found under parking lots, housing developments and city streets, and one of the now-lost dinosaur quarries is located in Manchester, Connecticut. During the 19th century the remains of several sauropodomorph [...]... Read more »

  • January 13, 2011
  • 10:00 AM

Help Jurors Detect (or Protect) Holes in Expert Analysis

by Dr. Kevin Boully in Persuasive Litigator

by: Dr. Kevin Boully Infamous rock singer Courtney Love is in trouble again. Unless you’re her lawyer (or one of her forgiving fans)1, you are probably wondering what Love’s troubles have to do with your persuasive advocacy. Fair question. The Hole lead singer’s 2009 Twitter tirade against fashion designer Dawn Simorangkir made her a defendant in a defamation lawsuit that may be headed for trial in early February.2 Most importantly, Ms. Simorangkir has reportedly retained a social media ........ Read more »

  • January 13, 2011
  • 09:08 AM

Third-hand tobacco smoke

by David Bradley in SciScoop Science Forum

Smokers, primarily, put their own health at risk with their habit, but their second-hand smoke puts others at risk too. New research now suggests that there are risks from so-called “thirdhand smoke”, toxic particles and aerosols released from surfaces that have previously been exposed to tobacco smoke. Now, I hate tobacco smoke as much as [...]Third-hand tobacco smoke is a post from: SciScoop Science News
... Read more »

Lauren M. Petrick, Alona Svidovsky, & Yael Dubowski. (2011) Thirdhand Smoke: Heterogeneous Oxidation of Nicotine and Secondary Aerosol Formation in the Indoor Environment. Environ Sci Tech, 45(1), 328-333. info:/10.1021/es10206

  • January 13, 2011
  • 08:00 AM

How Circadian Disruption Can Cause Obesity

by Arya M. Sharma in Dr. Sharma's Obesity Notes

Regular readers of these pages should be well aware of the mounting evidence that points to lack of sleep as an important driver of the obesity epidemic. Not only does lack of sleep increase cravings for “junk” foods, reduce energy levels and physical activity, but it also negatively affects metabolism.
In addition, it now seems that [...]... Read more »

Karatsoreos IN, Bhagat S, Bloss EB, Morrison JH, & McEwen BS. (2011) Disruption of circadian clocks has ramifications for metabolism, brain, and behavior. Proceedings of the National Academy of Sciences of the United States of America. PMID: 21220317  

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