Post List

  • January 19, 2011
  • 08:52 AM

Did the ancient Egyptians know of pygmy mammoths? Well, there is that tomb painting.

by Darren Naish in Tetrapod Zoology

One of the things that came up in the many comments appended to the article on Bob's painting of extinct Maltese animals was the famous Egyptian tomb painting of the 'pygmy mammoth'. You're likely already familiar with this (now well known) case: here's the image, as it appears on the beautifully decorated tomb wall of Rekhmire, 'Governor of the Town' of Thebes, and vizier of Egypt during the reigns of Tuthmose III and Amenhotep II (c. 1479 to 1401 BCE) during the XVIII dynasty...

Read the r........ Read more »

Rosen, B. (1994) Mammoths in ancient Egypt?. Nature, 369(6479), 364-364. DOI: 10.1038/369364b0  

  • January 19, 2011
  • 08:00 AM

Does Mandatory Menu Labeling Change Behaviour?

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

One of the proposed strategies to nudge consumers to eat fewer calories is the mandatory labeling of menus. While this makes intuitive sense, the actual impact of this strategy is not clear.
This issue was now addressed by Eric Finkelstein and colleagues from Duke-National University of Singapore, in a study just published in the American Journal [...]... Read more »

Finkelstein EA, Strombotne KL, Chan NL, & Krieger J. (2011) Mandatory menu labeling in one fast-food chain in king county, washington. American journal of preventive medicine, 40(2), 122-7. PMID: 21238859  

  • January 19, 2011
  • 07:34 AM

Supply Chain Disruptions and Shareholder Wealth

by Daniel Dumke in SCRM Blog - Supply Chain Risk Management

In last weeks article (Hendricks and Singhal, 2005) I described the effects of supply chain glitches on supply chain performance. This week should be viewed an update to that.

Already in 2003 Hendricks and Singhal showed in an article the devastating effects supply chain glitches can have on the shareholder value. Up to that time a strong correlation between excellence in supply chain management and shareholder value has always been presumed. Many have alluded to the compelling bottom-line........ Read more »

Hendricks, K., & Singhal, V.R. (2003) The effect of supply chain glitches on shareholder wealth. Journal of Operations Management, 21(5), 501-522. DOI: 10.1016/j.jom.2003.02.003  

  • January 19, 2011
  • 07:02 AM

Martin Luther King, Jr. & Eliot Spitzer: On letting people off the hook [Part II]:

by Doug Keene in The Jury Room

Effron & Monin’s work on ambiguous and blatant transgressions has multiple applications for our work. In the past, we’ve blogged about Tiger Woods, Eliot Spitzer,  and David Letterman. We want to take some time to discuss Effron & Monin’s work in the context of our prior writing on high profile falls from grace. (See Part [...]

Related posts:Martin Luther King, Jr. & Eliot Spitzer: On letting people off the hook [Part I]
Apology redux: Doing it right (and doing it wrong)
El........ Read more »

Effron DA, & Monin B. (2010) Letting people off the hook: when do good deeds excuse transgressions?. Personality and social psychology bulletin, 36(12), 1618-34. PMID: 20978222  

  • January 19, 2011
  • 06:00 AM

Tricks of the Trade: Nursemaid elbow reduction

by Michelle Lin in Academic Life In Emergency Medicine

We've all seen it before while working in the ED. A parent brings in their child because they pulled on their arm, and now the child is not using it. Parents are thoroughly convinced that the child's arm is either broken or dislocated. We all recognize this as radial head subluxation or "nursemaid's elbow" and immediately attempt to reduce it. The provider takes the injured arm, supinates at the wrist and flexes at the elbow. Does the child scream? Does the parent scream and threaten to sue? Wha........ Read more »

  • January 19, 2011
  • 05:29 AM

The rise of genetic architecture

by Razib Khan in Gene Expression

In science, like most things, one prefers simple over complex whenever possible. You keep adding variables until the explanatory juice starts hitting diminishing marginal returns. So cystic fibrosis is due to a mutation at one gene, and the disease expresses recessively at that locus. The reality is that one mutation accounts for ~65-70% of cystic [...]... Read more »

Wray NR, Purcell SM, & Visscher PM. (2011) Synthetic Associations Created by Rare Variants Do Not Explain Most GWAS Results. PLoS Biology. info:/10.1371/journal.pbio.1000579

  • January 19, 2011
  • 04:46 AM

How is autobiographical memory divided into chapters?

by BPS Research Digest in BPS Research Digest

How does the mind file life's episodes?
Autobiographical or 'episodic' memory describes our ability to recall past experiences and is distinct from semantic memory, which is our factual knowledge about the world. So far so good, but according to Youssef Ezzyat and Lila Davachi, psychology has so far largely neglected to investigate exactly how the brain organises the continuity of lived experience into a filing system of discrete episodes.

Ezzyat and Davachi have made a start. They had 23 par........ Read more »

  • January 19, 2011
  • 02:12 AM

Chocolate and Cardiovascular Health Benefits

by Dr Shock in Dr Shock MD PhD

Two recent large epidemiological studies again suggest a beneficial effect of chocolate consumption on cardiovascular disease. One study was a prospective study in 1216 women with a follow up of 9,5 years. The frequency of chocolate consumption was categorized in three groups”: ... Read more »

  • January 19, 2011
  • 02:00 AM

Does Google push the most popular content rather than act as a neutral tool?

by SAGE Insight in SAGE Insight

Search engines and the production of academic knowledge From International Journal of Cultural Studies Surveys prove that students performing topic searches for scholarly papers overwhelmingly choose search engines, rather than library-based research discovery networks, as their preferred starting-point. Are they getting the best and most relevant information? This article argues that search engines in general, and [...]... Read more »

van Dijck, J. (2010) Search engines and the production of academic knowledge. International Journal of Cultural Studies, 13(6), 574-592. DOI: 10.1177/1367877910376582  

  • January 19, 2011
  • 12:48 AM

Serotonin may help you recognize the sad and bad, rather than glad

by Scicurious in Neurotic Physiology

Sci has RETURNED from a bangup AWESOME time at #scio11. Sadly, my trusty netbook was not particularly trusty, and so I wasn’t able to crazy tweet up the conference like other attendees did. But I learned a lot and had a spectacular time meeting and having deep conversations with everyone. It’s like the first week [...]... Read more »

Alves-Neto, W., Guapo, V., Graeff, F., Deakin, J., & Del-Ben, C. (2010) Effect of escitalopram on the processing of emotional faces. Brazilian Journal of Medical and Biological Research. DOI: 10.1590/S0100-879X2010005000007  

  • January 19, 2011
  • 12:09 AM

New Thoughts on How Plasmodium Changes its Spots

by Lorax in Angry by Choice

Plasmodium falciparum is the leading cause of malaria in people, although there are Plasmodium species, spp., that infect virtually all the tetrapods (mammals, birds, reptiles, amphibians). As most people know, malaria is acquired from mosquito bites (Anopheles mosquitoes to be specific), because Plasmodium spp. have complex life cycles that require both an insect (mosquito) and a tetrapod host. Importantly, there is essentially no overlap between the Plasmodium spp. that cause fr........ Read more »

  • January 18, 2011
  • 11:11 PM

Speciation and reticulation

by zacharoo in Lawn Chair Anthropology

Hey, "all you lovers out there," which is how Marvin Berry introduced "Earth Angel" at the Enchantment Under the Sea dance back in good-olde 1955. And by "lovers" I mean "geneticists."
Poring over the recent Neandertal nuclear genome paper (Green et al. 2010) for seminars, we're struck by two contradictory ideas. On the one hand, the authors demonstrate pretty convincingly that Neandertals and the more 'anatomically modern' humans of Europe and Asia interbred. This doesn't come from genetic com........ Read more »

Green, R., Krause, J., Briggs, A., Maricic, T., Stenzel, U., Kircher, M., Patterson, N., Li, H., Zhai, W., Fritz, M.... (2010) A Draft Sequence of the Neandertal Genome. Science, 328(5979), 710-722. DOI: 10.1126/science.1188021  

  • January 18, 2011
  • 11:04 PM

Z-RNA–binding domain Zα as ribosomal inhibitor: fishing for ribosomes

by Vasili Hauryliuk in stringent response

Feng at al. in NSMB show that Z-RNA (or DNA) binding domain Zα inhibits ribosomal function. Binds to the ribosome and inhibits it! Basically does what ribosome-binding antibiotics do - they bind, freeze the ribosome in some particular conformation and thus inhibit it. Viomycin can be a gerat example of that.Better still, Zα seems to bind ribosomes nondiscriminantly (both bacterial and mammalian), so using a column with immobilized Zα you could purify ribosomes from whatever cel........ Read more »

Feng S, Li H, Zhao J, Pervushin K, Lowenhaupt K, Schwartz TU, & Dröge P. (2011) Alternate rRNA secondary structures as regulators of translation. Nature structural . PMID: 21217697  

Ermolenko DN, Spiegel PC, Majumdar ZK, Hickerson RP, Clegg RM, & Noller HF. (2007) The antibiotic viomycin traps the ribosome in an intermediate state of translocation. Nature structural , 14(6), 493-7. PMID: 17515906  

  • January 18, 2011
  • 09:08 PM

Psycasm - Psychobabble goes live!

by Rift in Psycasm

So for a while it's just been talk and ideas floating in the ether. But today Psychobabble goes live!What is Psychobabble? It's a fortnightly podcast on the topic of experimental psychology. If you're interested in the way people think, the why's of behaviour, and the how's of the brain, then this is for you.By and large a search on iTunes for 'Psychology' or; (read more)

Source: Rift - Discipline: Psychology... Read more »

Watkins, C., Fraccaro, P., Smith, F., Vukovic, J., Feinberg, D., DeBruine, L., & Jones, B. (2010) Taller men are less sensitive to cues of dominance in other men. Behavioral Ecology, 21(5), 943-947. DOI: 10.1093/beheco/arq091  

Callison, C., Karrh, J., & Zillmann, D. (2002) The Aura of Tobacco Smoke: Cigars and Cigarettes as Image Makers. Journal of Applied Social Psychology, 32(7), 1329-1343. DOI: 10.1111/j.1559-1816.2002.tb01439.x  

Naumann, L., Vazire, S., Rentfrow, P., & Gosling, S. (2009) Personality Judgments Based on Physical Appearance. Personality and Social Psychology Bulletin, 35(12), 1661-1671. DOI: 10.1177/0146167209346309  

  • January 18, 2011
  • 08:13 PM

Episode 1 – First Impressions

by Rift in Psycasm

Welcome to episode 1 of Psychobabble! Wherein Rohan, Jess, Morgan and Nerisa discuss the art of first impressions. The discussion meanders from why snoring is bad when first meeting someone (no, really), why an attractive voice might be more important than an attractive face, how to change someone’s first impression, why blue eyed men like... Read more »

Watkins, C., Fraccaro, P., Smith, F., Vukovic, J., Feinberg, D., DeBruine, L., & Jones, B. (2010) Taller men are less sensitive to cues of dominance in other men. Behavioral Ecology, 21(5), 943-947. DOI: 10.1093/beheco/arq091  

Callison, C., Karrh, J., & Zillmann, D. (2002) The Aura of Tobacco Smoke: Cigars and Cigarettes as Image Makers. Journal of Applied Social Psychology, 32(7), 1329-1343. DOI: 10.1111/j.1559-1816.2002.tb01439.x  

Naumann, L., Vazire, S., Rentfrow, P., & Gosling, S. (2009) Personality Judgments Based on Physical Appearance. Personality and Social Psychology Bulletin, 35(12), 1661-1671. DOI: 10.1177/0146167209346309  

  • January 18, 2011
  • 08:00 PM

Visual Cues and Addiction

by Dirk Hanson in Addiction Inbox

Do smoking scenes in movies make smokers want to light up?
Smokers and former smokers will understand what I mean when I say that an addiction to smoking is like a pilot light that is always lit, always ready to whoosh into full flame with the application of a few milligrams of nicotine. And they will also understand that feeling, like a bolt sliding home, of instant identification that comes from seeing someone else smoking. Especially if you are not smoking, but wish to be.
It makes sense th........ Read more »

  • January 18, 2011
  • 07:08 PM

"Perceptions of Promise: Biology, Society, Art" Explores the Social Dimensions of Life Science Technologies

by Matthew C. Nisbet in Age of Engagement

Despite the important role of the arts in enabling public expression, learning, and participation relative to science, there is an unfortunate tendency to think about the relationship in terms of "two cultures" divided. This metaphor has come to dominate discourse about science and society more ...Read More... Read more »

Nisbet, M., Hixon, M., Moore, K., & Nelson, M. (2010) Four cultures: new synergies for engaging society on climate change. Frontiers in Ecology and the Environment, 8(6), 329-331. DOI: 10.1890/1540-9295-8.6.329  

  • January 18, 2011
  • 06:09 PM

A Different Path to Fat-Related Heart Disease

by Sanford- Burnham in Beaker

Fruit fly study demonstrates how lipotoxic cardiomyopathy might occur in genetically obese individuals, revealing potential therapeutic targets for fat-related heart disease.... Read more »

  • January 18, 2011
  • 03:58 PM

Leapin’ Blennies

by Kelsey in Mauka to Makai

In true science writer geekdom, I have spent the last week trying to figure out where the name “blenny” comes from. Of course, it comes from the suborder name Blenniodei (in the order Perciformes) and the family name Blenniidae…yada yada yada. But where does the blenn- come from? Most scientific names come from Latin, but [...]... Read more »

  • January 18, 2011
  • 03:45 PM


by Julia Whitty in Deep Blue Home

(Photo from here.)A 13-year-old western Pacific gray whale (Eschrichtius robustus) is shining some light on the travels of his kind.Flex—as he's called by researchers—was tagged on 4 October on his summer feeding grounds in the Okhotsk Sea off Sakhalin Island, Russia. (Sakhalin Island. Image courtesy NASA's Earth Observatory.)Western Pacific gray whales are among the most endangered whales on Earth, with a population of only 113 to 130 individuals. In contrast, the gray whales who mig........ Read more »

Saraux, C., Le Bohec, C., Durant, J., Viblanc, V., Gauthier-Clerc, M., Beaune, D., Park, Y., Yoccoz, N., Stenseth, N., & Le Maho, Y. (2011) Reliability of flipper-banded penguins as indicators of climate change. Nature, 469(7329), 203-206. DOI: 10.1038/nature09630  

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