Post List

  • April 22, 2010
  • 04:25 PM

Supercooled liquid gold alloy

by Lars Fischer in EuCheMS 2010 Blog

It’s well-known that many liquid metals can be cooled below their freezing point. This is, scientists assume, due to dense and symmetric, but non-periodic ordering within the liquid. This theory implies that the freezing point of supercooled metal liquids can be controlled, just like crystallization can be induced by a template – all it takes [...]... Read more »

Schülli, T., Daudin, R., Renaud, G., Vaysset, A., Geaymond, O., & Pasturel, A. (2010) Substrate-enhanced supercooling in AuSi eutectic droplets. Nature, 464(7292), 1174-1177. DOI: 10.1038/nature08986  

  • April 22, 2010
  • 03:35 PM

New Zealand’s productivity paradox: Part IV

by Shaun Hendy in A Measure of Science

In this post, I will continue my discussion of Philip McCann’s paper, “Economic geography, globalisation and New Zealand’s productivity paradox” [1]. McCann argues that it is New Zealand’s economic geography that is the reason for its poor productivity performance. In this post I’ll try to sketch some of the underlying ideas from economic geography that [...]... Read more »

  • April 22, 2010
  • 03:14 PM

Ass-Dragging Caterpillars Evolved from Bullies

by Kelsey in Mauka to Makai

Suppose you’re a caterpillar. You’ve just built yourself a nice home by sewing leaves together with silk and then some jackass invades your turf. How do you defend your home? You could walk right over to that intruder and push him, maybe smack him around a bit or even bite him. Ha! That’d teach [...]... Read more »

Scott, J., Kawahara, A., Skevington, J., Yen, S., Sami, A., Smith, M., & Yack, J. (2010) The evolutionary origins of ritualized acoustic signals in caterpillars. Nature Communications, 1(1), 1-9. DOI: 10.1038/ncomms1002  

  • April 22, 2010
  • 02:38 PM

Eccentric Exercise - some cool ideas as to why it seems to heal certain tendinopathies (ps, ditch -itis and -osis)

by mc in begin to dig (b2d)

Have you been suffering with some kind of sore tendon/jointy pain? Rotator cuff area, achiles, elbow, forearm, rsi etc etc? Guess what? First we're not alone, but second, just about anything that's been tried to address it has no real evidence to support it working, especially over time. Indeed, as the authors of a 2009 review study put it, "Tendinopathy is common although pathology of this ... Read more »

  • April 22, 2010
  • 02:08 PM

Increasing corn production for ethanol may increase atmospheric carbon dioxide

by David Raikow in River Continua

The evaluation of large scale scenarios for alternative energy production are exercises in making trade-offs. If the U.S. devotes substantial resources to ethanol production then use of fossil fuels may be reduced, diminishing dependence on foreign oil, in theory. But are there other costs and benefits? Currently ethanol production in the U.S. centers around corn … Read more... Read more »

Piñeiro, G., Jobbágy, E., Baker, J., Murray, B., & Jackson, R. (2009) Set-asides can be better climate investment than corn ethanol. Ecological Applications, 19(2), 277-282. DOI: 10.1890/08-0645.1  

  • April 22, 2010
  • 01:36 PM

A Cataclysmic Variable in the Field of the Kepler Mission

by Professor Astronomy in Professor Astronomy

In September of 2008, I was sitting at the controls of the McDonald Observatory 2.1-meter Struve Telescope.  I was there to help some of my colleagues who work on a team associated with NASA's Kepler Mission.  This team, the Kepler Astroseismic Science Consortium, isn't on the lookout for planets.  They are studying the stars themselves, looking for variations in the light from stars caused by sound waves in the star.  The study of these sound waves, known as asteroseismol........ Read more »

Kurtis A. Williams, Domitilla de Martino, Roberto Silvotti, Ivan Bruni, Patrick Dufour, Thomas S. Riecken, Martin Kronberg, Anjum Mukadam, & G. Handler. (2010) Discovery of a Nova-Like Cataclysmic Variable in the Kepler Mission Field. The Astronomical Journal. arXiv: 1004.3743v1

  • April 22, 2010
  • 12:27 PM

Transcriptome Genetics with HapMap and RNA-Seq

by Daniel Koboldt in Massgenomics

Two papers in Nature this month leverage the power of second-generation sequencing technologies to investigate gene expression variation in human cell lines. By performing RNA-Seq in HapMap cell lines, the authors generated the most extensive gene expression data to date for these samples, and were able to use publicly available HapMap genotypes to associate expression [...]... Read more »

Pickrell JK, Marioni JC, Pai AA, Degner JF, Engelhardt BE, Nkadori E, Veyrieras JB, Stephens M, Gilad Y, & Pritchard JK. (2010) Understanding mechanisms underlying human gene expression variation with RNA sequencing. Nature, 464(7289), 768-72. PMID: 20220758  

Montgomery SB, Sammeth M, Gutierrez-Arcelus M, Lach RP, Ingle C, Nisbett J, Guigo R, & Dermitzakis ET. (2010) Transcriptome genetics using second generation sequencing in a Caucasian population. Nature, 464(7289), 773-7. PMID: 20220756  

  • April 22, 2010
  • 12:27 PM

Helping kids eat better by changing school lunches (Part 2)

by Dave in The Daily Monthly

Yesterday I discussed two studies on school lunches in California — one showing that students bring lunches from home tended to eat healthier foods, and one showing that kids will keep buying food at school even when the only option is healthy foods.
But both of these studies had flaws. The first study was conducted before [...]... Read more »

  • April 22, 2010
  • 11:43 AM

Chimpanzees Prefer Fair Play To Reaping An Unjust Reward

by Eric Michael Johnson in The Primate Diaries

A new study shows that chimps sacrifice their own advantage if they earned it unfairly.Image: Owen Booth / Creative Commons

Fairness is the basis of the social contract. As citizens we expect that when we contribute our fair share we should receive our just reward. When social benefits are handed out unequally or when prior agreements are not honored it represents a breach of trust. Based on this, Americans were justifiably outraged when, not just one, but two administrations bailed out the ........ Read more »

  • April 22, 2010
  • 11:28 AM

How sucker-winged bats hang on

by Laelaps in Laelaps

A Madagascar sucker-footed bat (Myzopoda aurita).

In the tropical forests of Madagascar, there lives a very peculiar kind of bat. While most bats roost by hanging upside-down from cave ceilings or tree branches, the Madagascar sucker-footed bat (Myzopoda aurita) holds itself head-up thanks to a set of adhesive pads on its wings. Nor is it the only bat to do so. Thousands of miles away in the jungles of Central and South America, Spix's disk-winged bat (Thyroptera tricolor) does the same thi........ Read more »

  • April 22, 2010
  • 11:16 AM

Everything you wanted to know about Hangovers (but were too affraid to ask)

by TwoYaks in Gene Flow

Recently, I read a statement by the American Heart Association about Alcohol, saying that although moderate alcohol reduces your risk of stroke, if you don't already drink you should not begin drinking because drinking raises your risk of cancer. This is an interesting statement, because I think it is incorrect. Cancer is rare, Stroke is common. Even though alcohol increases the probability of ... Read more »

Wiese JG, Shlipak MG, & Browner WS. (2000) The alcohol hangover. Annals of internal medicine, 132(11), 897-902. PMID: 10836917  

  • April 22, 2010
  • 11:08 AM

Modeling disease and epidemics

by iayork in Mystery Rays from Outer Space

Fig. 5.  Boundary of the Hopf bifurcation of the endemic steady state … 1

I don’t pretend to be a mathematician or to understand the more complex disease models that are out there, but I do think modeling is an essential way of understanding how to effectively deal with diseases.  A recent paper1 looks at epidemic [...]... Read more »

  • April 22, 2010
  • 10:23 AM

Tracks of Giants Created Dino Death Traps

by Brian Switek in Dinosaur Tracking

Around 160 million years ago, an enormous sauropod dinosaur trudged across an ancient marsh in what is now Xinjiang, China. It was not easy going. The eruption of a nearby volcano coated the area in a layer of ash which formed a thin surface over a morass of mud and volcanic debris, and as it [...]... Read more »

EBERTH, D., XING, X., & CLARK, J. (2010) DINOSAUR DEATH PITS FROM THE JURASSIC OF CHINA. PALAIOS, 25(2), 112-125. DOI: 10.2110/palo.2009.p09-028r  

  • April 22, 2010
  • 10:23 AM

Does Reaching Behind the Back Reflect the Actual Internal Rotation of the Shoulder?

by Mike Reinold in

It is no secret that I am not a big fan of stretching the shoulder behind the back to gain internal rotation.  I have written about this in the past and even included it in my list of the 5 least favorite exercises.  I received a lot of feedback for this opinion, both positively and negatively. 
Many people agree with me that this is an aggressive stretch and puts the rotator cuff in an extremely disadvantageous position while...


... Read more »

Wakabayashi, I., Itoi, E., Minagawa, H., Kobayashi, M., Seki, N., Shimada, Y., & Okada, K. (2006) Does reaching the back reflect the actual internal rotation of the shoulder?. Journal of Shoulder and Elbow Surgery, 15(3), 306-310. DOI: 10.1016/j.jse.2005.08.022  

  • April 22, 2010
  • 10:05 AM

The needle free vaccine, how Nanopatch works

by Captain Skellett in A Schooner of Science

Researchers from Queensland University have discovered a new way to administer vaccines, a Nanopatch. Smaller than a postage stamp, the patch puts the vaccine through your skin. No need for an injection.
So how does it work?
The Nanopatch is full of micro-nanoprojections containing antigen – part of the bacteria or virus you are immunising [...]... Read more »

  • April 22, 2010
  • 09:43 AM

Acting on Supply Chain Disruptions

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

10 years ago a disruption affected the supply chain at Ericsson, luckily the effects of this event on Ericsson have been published. Its about the so called "Albuquerque accident" in 2000, which was documented by Norrman and Jansson (2004).... Read more »

  • April 22, 2010
  • 08:30 AM

In Memoriam Erwin Koller

by Ingrid Piller in Language on the Move

I am deeply saddened by the passing of Erwin Koller, one of my teachers and mentors, in Lisbon this weekend. It’s a special gift when teacher and student become friends and form a lasting relationship and I will be forever grateful to Professor Koller for his teaching and his friendship.
During the three years I studied [...]... Read more »

Cristina Flores, & Orlando Grossegesse (Eds.). (2007) Wildern in luso-austro-deutschen Sprach- und Textgefilden: Festschrift zum 60. Geburtstag von Erwin Koller [Roughing it in the linguistic and textual wilds of Portuguese, Austrian and German: Festschrift for Erwin Koller on the occasion of his 60th birthd. Braga, PT: Cehum - Centro de Estudos Humanísticos. info:/

  • April 22, 2010
  • 08:00 AM

Clean rivers could make coral reefs healthier

by Rob Goldstein in Conservation Maven

A new study by Australian scientists indicates that cutting water pollution in rivers that drain into the ocean may provide a significant health benefit to large parts of the Great Barrier Reef.

The researchers found that a fifth of the Great Barrier Reef suffers from low water quality, which reduces the diversity of corals living on the reef and favors a takeover by seaweeds.... Read more »

  • April 22, 2010
  • 08:00 AM

The Neurobiology of Social Anxiety Disorder

by Shaheen Lakhan in Brain Blogger

Shyness is a unique trait and all of us experience it in various degrees when faced with performance situations or new social surroundings. However, many people go through life dreading such encounters and exposure to the feared social situation provokes anxiety, or possibly a panic attack. Social anxiety disorder (SAD) or social phobia is a [...]... Read more »

Stein, M., & Stein, D. (2008) Social anxiety disorder. The Lancet, 371(9618), 1115-1125. DOI: 10.1016/S0140-6736(08)60488-2  

Stein MB, & Gorman JM. (2001) Unmasking social anxiety disorder. Journal of psychiatry , 26(3), 185-9. PMID: 11394188  

Strug, L., Suresh, R., Fyer, A., Talati, A., Adams, P., Li, W., Hodge, S., Gilliam, T., & Weissman, M. (2008) Panic disorder is associated with the serotonin transporter gene (SLC6A4) but not the promoter region (5-HTTLPR). Molecular Psychiatry, 15(2), 166-176. DOI: 10.1038/mp.2008.79  

Smoller, J., Paulus, M., Fagerness, J., Purcell, S., Yamaki, L., Hirshfeld-Becker, D., Biederman, J., Rosenbaum, J., Gelernter, J., & Stein, M. (2008) Influence of RGS2 on Anxiety-Related Temperament, Personality, and Brain Function. Archives of General Psychiatry, 65(3), 298-308. DOI: 10.1001/archgenpsychiatry.2007.48  

  • April 22, 2010
  • 07:30 AM

Conservation Psychology: Think You're Green? Think Again!

by Jason Goldman in The Thoughtful Animal

Happy Earth Day, everyone!

In honor of the day, here's a modified re-post of piece I wrote recently for LAist.

Figure 1: Photo by poloroid-girl via LAist Featured Photos on Flickr.

The great philosopher Kermit the Frog once said, "It's not that easy being green." Maybe he was on to something.

You can't walk three steps down an aisle in any store without running into eco-friendly or "green" products. You probably have many of these products. Is your refrigerator or dishwasher Energy-star co........ Read more »

Griskevicius, V., Tybur, J., & Van den Bergh, B. (2010) Going green to be seen: Status, reputation, and conspicuous conservation. Journal of Personality and Social Psychology, 98(3), 392-404. DOI: 10.1037/a0017346  

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