Post List

  • July 16, 2010
  • 12:57 AM

…maketh the purchase

by Rift in Psycasm

To support the question posed previously I have found limited literature. Regan and Llamas (2002) took a female confederate and dressed her in ‘gym casual’ or ‘formal business’ and sent her into female clothing stores and measured the time it takes for her to be served.  Unsurprisingly, she was approached and served more quickly when [...]... Read more »

  • July 16, 2010
  • 12:53 AM

Friday Weird Science: If you’re happy and you know it, smell some pee!

by Scicurious in Neurotic Physiology

Sci actually considered blogging this paper as just a regular, run of the mill weekday paper…but it’s got urine sniffing.  And the idea of making up a song to a paper is one that Sci can never resist. So first, the paper.  And then, the song! Malkesman, et al. “The Female Urine Sniffing Test: A [...]... Read more »

Malkesman, O., Scattoni, M., Paredes, D., Tragon, T., Pearson, B., Shaltiel, G., Chen, G., Crawley, J., & Manji, H. (2010) The Female Urine Sniffing Test: A Novel Approach for Assessing Reward-Seeking Behavior in Rodents. Biological Psychiatry, 67(9), 864-871. DOI: 10.1016/j.biopsych.2009.10.018  

  • July 15, 2010
  • 09:49 PM

New advancements in spider confusion

by Michael Bok in Arthropoda

The rather amusing cover of this month’s JEB caught my eye; I am always excited to find out about the outlandish and creative methods that scientists dream up in order to test their ideas. Yep, that’s a jumping spider holding a styrofoam ball, tethered to the ceiling. So what the heck could possibly be going [...]... Read more »

  • July 15, 2010
  • 09:26 PM

Why Scientific Perceptions Persist Even with Facts & Teaching

by Jack Hassard in The Art of Teaching Science

There was a very interesting study completed at the University of Michigan entitled When Corrections Fail: The persistence of political misperceptions by researchers Brendan Nyhan, School of Public Health, University of Michigan, and Jason Reifler, Department of Political Science, Georgia State University.  This study, although in the realm of political behavior, has strong implications for science [...]

Related posts:Snow in Atlanta, South Dakota Wants Balanced Treatment for the Teaching of........ Read more »

  • July 15, 2010
  • 07:40 PM

Are NBA Fans Racist?

by Michael Long in Phased

Philip Broyles and Bradley Keen (Shippensburg University, United States) have found that race has no effect on player card value, suggesting a lack of overpowering racism among NBA consumers. This news feature was written on July 15, 2010.... Read more »

  • July 15, 2010
  • 06:50 PM

The Risky Business of Hunger

by Darcy Cowan in Skepticon

We like to think of ourselves as rational actors when it comes to making decisions, we take in information, process it and choose the path that we think will lead to a desirable outcome (if we aren’t deep-seated masochists I suppose). Regular readers of this blog and others that espouse a sceptical viewpoint will know [...]... Read more »

Symmonds M, Emmanuel JJ, Drew ME, Batterham RL, & Dolan RJ. (2010) Metabolic state alters economic decision making under risk in humans. PloS one, 5(6). PMID: 20585383  

  • July 15, 2010
  • 05:35 PM

Gut flora and the human rainforest

by Katie Kline in EcoTone

Scientists have known for decades that the human intestinal tract is home to an abundance of diverse bacteria. This microbial rainforest is introduced incrementally to infants as they grow—primarily from their mothers during birth and breastfeeding and from everyday encounters. Many of these microbes aid in digestion and fight off pathogens, but until recently, researchers were not certain if phages, viruses that infect bacteria, were also present in the human gut.

... Read more »

Reyes, A., Haynes, M., Hanson, N., Angly, F., Heath, A., Rohwer, F., & Gordon, J. (2010) Viruses in the faecal microbiota of monozygotic twins and their mothers. Nature, 466(7304), 334-338. DOI: 10.1038/nature09199  

  • July 15, 2010
  • 04:34 PM

Why No Wheels?

by teofilo in Gambler's House

I’m back at Chaco and giving tours again, so I’m once again being exposed to visitors’ common questions and preconceptions in a way I haven’t been in a long time.  One thing that seems to surprise a lot of visitors is the fact that the Chacoans apparently had no knowledge of the wheel, or if [...]... Read more »

Ekholm, G. (1946) Wheeled Toys in Mexico. American Antiquity, 11(4), 222. DOI: 10.2307/275722  

  • July 15, 2010
  • 03:46 PM

Rigged To Invade

by Journal Watch Online in Journal Watch Online

Oil spills aren’t the only threat from giant floating oil rigs. After a towed rig stranded on the remote Brazilian island of Tristan da Cunha in 2006, biologists were stunned to discover that it also carried a whole marine ecosystem of dozens of potentially invasive species. Researchers say the incident highlights the need for the […] Read More »... Read more »

Wanless, R., Scott, S., Sauer, W., Andrew, T., Glass, J., Godfrey, B., Griffiths, C., & Yeld, E. (2009) Semi-submersible rigs: a vector transporting entire marine communities around the world. Biological Invasions, 12(8), 2573-2583. DOI: 10.1007/s10530-009-9666-2  

  • July 15, 2010
  • 03:10 PM

Fossil primate Saadanius provides context for the ancient ape/Old World monkey split

by Laelaps in Laelaps

Imagine that there was no primate fossil record. No hominins, no Proconsul, Dryopithecus, no Eosimias, no Darwinius -- nothing. Now, given this dearth of fossil material, you could be excused for systematically organizing primates according to the stark divisions apparent between living species. Our species, while clearly a primate, would seem to stand by itself, [...]... Read more »

Zalmout, I., Sanders, W., MacLatchy, L., Gunnell, G., Al-Mufarreh, Y., Ali, M., Nasser, A., Al-Masari, A., Al-Sobhi, S., Nadhra, A.... (2010) New Oligocene primate from Saudi Arabia and the divergence of apes and Old World monkeys. Nature, 466(7304), 360-364. DOI: 10.1038/nature09094  

  • July 15, 2010
  • 02:53 PM

Odor-prints: individual but genetic connections unclear

by Aurametrix team in Olfactics and Diagnostics

Odor is like fingerprints or facial features - it's unique.  Yet no single measurement could be easily applied to recognize an individual. GC/MS measurements can be used to analyze mixtures of acids, alcohols, aldehydes, hydrocarbons, esters, ketones, and nitrogenous molecules in human odor. Complex algorithms mining patterns help to pinpoint the signatures. But could these signatures be easily derived from genetic makeups?Recent article published in the Journal of Chemical Ecology looked at ........ Read more »

  • July 15, 2010
  • 02:14 PM

Creation science validates evolution, too

by Bjørn Østman in Pleiotropy

A method used by creation scientists validates evolution... Read more »

  • July 15, 2010
  • 02:05 PM

Determining the Fate of Carbon in a Mixotrophic Anemone

by Kevin Zelnio in Deep Sea News

It has been known for a long time that some anemones form symbiotic relationships with Zooxanthellae. For a while it was assumed that the anemones mainly persisted by utilizing carbon translocated from its symbionts, called autotrophy, but they can may supplement this by heterotrophic feeding on plankton. A study by . . . → Read More: Determining the Fate of Carbon in a Mixotrophic Anemone... Read more »

  • July 15, 2010
  • 01:25 PM

Fine-Scale Drug Distribution in Lung Tissue Slices via Imaging Mass Spectrometry

by Michael Long in Phased

Per Andren (Uppsula University, Sweden) and coworkers have combined a fine-scale drug quantitation technique with standard histological imaging to yield a powerful approach for evaluating drug distribution within tissue slices. This news feature was written on July 15, 2010.... Read more »

  • July 15, 2010
  • 12:13 PM

Thousand light year long bubble surrounds black hole in nearby galaxy

by Kelly Oakes in Basic Space

The Eddington luminosity is the exact brightness a black hole has when the outwards and inwards forces on it balance. It may seem strange to talk about the brightness of a black hole, as usually we think of them as not letting anything – including light – escape their gravitational pull, but in reality this [...]... Read more »

  • July 15, 2010
  • 09:49 AM

More Fecal Findings!

by avi_wener in American Biotechnologist

At the risk of developing a complex that all I talk about is fecal matter, for the second time this week I would like to bring your attention to another study that focuses on the gut and its microbial habitat. A couple of days ago I discussed the challenge of identifying the huge number of [...]... Read more »

Alejandro Reyes, Matthew Haynes, Nicole Hanson, Florent E. Angly, Andrew C. Heath, Forest Rohwer, & Jeffrey I. Gordon. (2010) Viruses in the faecal microbiota of monozygotic twins and their mothers. Nature, 334-338. info:/10.1038/nature09199

  • July 15, 2010
  • 09:41 AM

Researchers create 'lesbian' mice by deleting a single gene

by Mo in Neurophilosophy

DELETION of a single gene switches the sexual orientation of female mice, causing them to engage in sexual behaviour that is typical of males. Korean researchers found that deleting the FucM gene, which encodes an enzyme called fucose mutarotase, causes masculinization of the mouse brain, so that female mice lacking the gene avoid the advances of males and try to mate with other females instead. The findings probably have little relavence to human sexual orientation, however.

FucM is one of a f........ Read more »

  • July 15, 2010
  • 09:10 AM

Tarbosaurus: A Predator and a Scavenger With a Delicate Bite

by Brian Switek in Dinosaur Tracking

Back in the 1990s, paleontologist Jack Horner proposed that Tyrannosaurus rex—popularly cast as the most fearsome predator of all time—was really a giant-sized scavenger. With its small arms, a large part of its brain devoted to analyzing smells, and a mouth full of rail-spike-sized teeth, the tyrant dinosaur seemed to be better-suited to processing the [...]... Read more »

  • July 15, 2010
  • 08:37 AM

The crisis: put down the pruning shears

by sarcozona in gravity's rainbow

Part of applying to graduate school is figuring out who I want to work with and what questions I want to try to answer.  To do this, I’m reading a lot of papers.  I’d hate for all this paper reading to keep me from blogging, so I’ve decided to share some of the more interesting [...]... Read more »

  • July 15, 2010
  • 08:00 AM

Not exactly breaking news: sex reduces anxiety!

by EcoPhysioMichelle in C6-H12-O6 (old)

Despite causing elevated levels of corticosteroids, physical activity results in an increase in mental health and brain function for most people. This phenomenon has recently been linked to the idea that exercise is mentally linked to personal reward.... Read more »

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