Post List

  • March 19, 2010
  • 11:22 AM

Exquisitely-Preserved Skeleton Introduces a New Velociraptor Relative

by Brian Switek in Dinosaur Tracking

Between 84 million and 75 million years ago, near the end of the Cretaceous, part of the land now known as the Gobi Desert was host to a variety of raptors. There were two species of Velociraptor, a similar predator named Tsaagan mangas, a tiny feathered dinosaur called Mahakala omnogovae, and, as just announced in [...]... Read more »

XING XU, JONAH CHOINIERE, MICHAEL PITTMAN, QINGWEI TAN, DONG XIAO,, & ZHIQUAN LI, LIN TAN, JAMES M. CLARK, MARK A. NORELL, DAVID W. E. HONE, CORWIN SULLIVAN. (2010) A new dromaeosaurid (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Inner Mongolia, China. Zootaxa, 1-9. info:/

  • March 19, 2010
  • 11:00 AM

Size Matters -- Bigger is Better, Even for Male Pipefish

by GrrlScientist in Maniraptora

SUMMARY: New research shows evidence for cryptic mate choice in Gulf pipefish. ... Read more »

  • March 19, 2010
  • 10:15 AM

Friday Weird Science: Why does asparagus make your pee smell?

by Evil Monkey in Neurotopia

Early spring is a good time of year. Sci starts feeling a little more motivated, it's finally warm enough to feel comfortable running outside again (not that Sci ran inside, she was just very uncomfortable outside), and it's asparagus season!

When Sci was wee and her mother would try to feed her asparagus, Sci turned up her little nose at such nonsense. Why on earth would anyone eat something that was that green and looked like it had hair!?

(You can see my issue here)

I seem to remember a........ Read more »

Waring RH, Mitchell SC, & Fenwick GR. (1987) The chemical nature of the urinary odour produced by man after asparagus ingestion. Xenobiotica; the fate of foreign compounds in biological systems, 17(11), 1363-71. PMID: 3433805  

  • March 19, 2010
  • 09:23 AM

Managing adolescent illness: Make it a game!

by agoldstein in WiSci

Re-Mission and Didget are two games created and proven to help children manage their illnesses.... Read more »

  • March 19, 2010
  • 08:30 AM

Basketballs and Brains

by Caroline Sober in Promega Connections

Well, it’s NCAA basketball tournament time and, as this post hits the blog, we’re heading into the second day of “March Madness,” one of my favorite times of the collegiate sports year. Raise your hand if your brackets are already in shambles! Yeah, mine too.*
Tournament fever aside, it’s also Global Brain Awareness Week, so I [...]... Read more »

Botzung A, Rubin DC, Miles A, Cabeza R, & Labar KS. (2010) Mental hoop diaries: emotional memories of a college basketball game in rival fans. The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(6), 2130-7. PMID: 20147540  

  • March 19, 2010
  • 07:38 AM

Am Manic, will focus; Am sad, will drift

by sandygautam in The Mouse Trap

Image by wazari via Flickr

Attention can be focused or it can be diffused. Attentional focus has been shown to be affected by mood or affect; with positive affect leading to a broadening of attentional focus;  and negative affect, in general been shown to be associated with a narrowing of focus.
However, Gable and Harmon-Jones argue that More >Rating: 0.0/10 (0 votes cast)

Related posts:Entrepreneurial rollercoaster- am happy, have vision; am sad, will focus on task There is a rec........ Read more »

  • March 19, 2010
  • 06:14 AM

Measles week, Part V: What about the vaccine?

by iayork in Mystery Rays from Outer Space

Measles infection in a brain cell nucleus

Having gone through Parts I, II, III, and IV of Measles week, let’s finish up by asking what this means for measles vaccine.
We know that measles death rates dropped spectacularly well before the vaccine was introduced in 1963 (the first version; a more effective version was released later). [...]... Read more »

MUSCAT, M., BANG, H., WOHLFAHRT, J., GLISMANN, S., & MOLBAK, K. (2009) Measles in Europe: an epidemiological assessment. The Lancet, 373(9661), 383-389. DOI: 10.1016/S0140-6736(08)61849-8  

Filia, A., Brenna, A., Panà, A., Maggio Cavallaro, G., Massari, M., & Ciofi degli Atti, M. (2007) Health burden and economic impact of measles-related hospitalizations in Italy in 2002–2003. BMC Public Health, 7(1), 169. DOI: 10.1186/1471-2458-7-169  

  • March 19, 2010
  • 05:00 AM

Rare fossil annelid unearthed in downtown Ottawa

by Ian Randall in The Palaeo Pad

One of the rarest fossils has been found in the most unexpected of locations – the capital city of Canada. Described in the current issue of Palaeontology, the 450 million year old specimen of the annelid machaeridian worm Plumulitids canadensis is one of only eight such finds in the world. ... Read more »

  • March 19, 2010
  • 03:59 AM

How to give advice

by BPS Research Digest in BPS Research Digest

Information, information, information. That's the message from one of the first studies to look at people's preferences for different forms of advice. Reeshad Dalal and Silvia Bonaccio presented hundreds of students with fictional decision-making scenarios, such as choosing which job to apply for. The students were offered various permutations of advice and asked to say how satisfied they'd be if a friend had given them that advice. The different kinds of advice were: which option to go for; whi........ Read more »

Dalal, R., & Bonaccio, S. (2010) What types of advice do decision-makers prefer?. Organizational Behavior and Human Decision Processes. DOI: 10.1016/j.obhdp.2009.11.007  

  • March 19, 2010
  • 03:12 AM

How is ECT depicted in the British Press?

by Dr Shock in Dr Shock MD PhD

From all the newspapers in the last seven years in British national newspapers about 348 mentioned ECT or electroconvulsive therapy or electroshock and it’s other synonyms. Overall 111 articles (31,9%) portrayed ECT negatively, 198 articles were neutral and 39 were positive. A substantial comment on ECT was published in 44 (12,6%) articles. The negative comments [...]

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  • March 19, 2010
  • 03:00 AM

Glucagon for weight loss?

by David Bradley in Reactive Reports Chemistry Blog

Glucagon for weight loss seems to be a common search phrase hitting my science site, so I thought it was time to write a short summary of what glucagon is and what role it might have to play in weight loss and addressing the growing problem of obesity.
Glucagon is a hormone with the opposite action [...]... Read more »

Halford JC, Boyland EJ, Blundell JE, Kirkham TC, & Harrold JA. (2010) Pharmacological management of appetite expression in obesity. Nature reviews. Endocrinology. PMID: 20234354  

  • March 18, 2010
  • 11:14 PM

The D225G change in 2009 H1N1 influenza virus

by Vincent Racaniello in virology blog

Last year a mutation in the HA gene of the 2009 H1N1 influenza virus was identified in isolates from patients with severe disease. At the time I concluded that the emergence of this change was not a concern. Recently the Norwegian Institute of Public Health reported that the mutation, which causes a change from the amino [...]... Read more »

  • March 18, 2010
  • 10:02 PM

The Eco-Elite

by Journal Watch Online in Journal Watch Online

Consumers may choose green products to boost social status

... Read more »

Griskevicius, V., Tybur, J., & B. Van den Bergh. (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  

  • March 18, 2010
  • 08:12 PM

Germs in Tobacco

by Dirk Hanson in Addiction Inbox

Bacteria found in major cigarette brands.
It’s not enough that smoking causes all manner of cardiopulmonary complications, or that more than 3,000 chemicals and heavy metals have been identified as additives. Now comes evidence that tobacco particles extracted from cigarettes contain markers for hundreds of known bacteria. Lung infections in some smokers may be caused by germs on shredded tobacco, rather than the act of smoking itself.
According to a report by Janet Raloff in Science News, Am........ Read more »

  • March 18, 2010
  • 05:05 PM

Parkinsonian emotion recognition impairment better accounted for by sleep deprivation

by William Lu in The Quantum Lobe Chronicles

The New York Times recently covered a paper by Grey and Tickle-Degnen, published in the journal Neuropsychology, finding that people with Parkinson's Disease (PD) are not able to recognize facial and vocal emotions very well. The article states that it's not clear why this seems to be the case. I briefly reviewed the original meta-analytic paper (the pdf can be found here) and saw that the research team accounted for 1) the emotion recognition tasks used, 2) the medication the participants were ........ Read more »

  • March 18, 2010
  • 04:25 PM

Death by human stampede

by Tom Rees in Epiphenom

Over the past 30 years, stampedes have killed at least 7,000 people and injured another 14,000. That's the conclusion that Edbert Hsu (Johns Hopkins Medical Institutions) and colleagues reached after a painstaking trawl of news reports in the world's English-language media.The real toll is probably even higher, of course, but the data were enough to allow Hsu to work out the characteristics of the most lethal stampedes. They found reports on 215 stampedes, of which 49 occurred at sporting events........ Read more »

Hsieh, Y., Ngai, K., Burkle, F., & Hsu, E. (2009) Epidemiological Characteristics of Human Stampedes. Disaster Medicine and Public Health Preparedness, 3(4), 217-223. DOI: 10.1097/DMP.0b013e3181c5b4ba  

  • March 18, 2010
  • 03:54 PM

Unique Fossils Record the Dining Habits of Ancient Sharks

by Laelaps in Laelaps

A photograph and line drawing (left side) of the fossil dolphin Astadelphis gastaldii. The crescent-shaped line in the line drawing represents the bite of a large shark, with the red portions representing damage done directly to the bone. From Bianucci et al, 2010.

Shark attacks are events of speed and violence. When they have locked on to a prey item sharks seem to come out of nowhere, and though they can be quite gentle with their jaws (as on occasions when they are unsure about whether ........ Read more »


BIANUCCI, G., SORCE, B., STORAI, T., & LANDINI, W. (2010) Killing in the Pliocene: shark attack on a dolphin from Italy. Palaeontology, 53(2), 457-470. DOI: 10.1111/j.1475-4983.2010.00945.x  

  • March 18, 2010
  • 02:12 PM

“Skunk bear” snowfall ecology (a.k.a what wolverines want)

by DeLene Beeland in Wild Muse

Recently, the only known wolverine in Michigan passed away. Unlike the life and death of most wild animals, which unfold without human fanfare, her life and death were noticed. Scrutinized even. Rare species catch our attention. Rare species persisting outside their normal range even more so. Wolverines are often characterized as solitary creatures, thinly distributed [...]... Read more »

Copeland, J., McKelvey, K., Aubry, K., Landa, A., Persson, J., Inman, R., Krebs, J., Lofroth, E., Golden, H., Squires, J.... (2010) The bioclimatic envelope of the wolverine (Gulo gulo): do climatic constraints limit its geographic distribution?. Canadian Journal of Zoology, 88(3), 233-246. DOI: 10.1139/Z09-136  

  • March 18, 2010
  • 01:51 PM

On the Origins of Polar bears

by TwoYaks in Gene Flow

From PNAS  March 16, 2010   vol. 107  no. 11  5053-5057 "Complete mitochondrial genome of a Pleistocene jawbone unveils the origin of polar bear" Lindqvist et al. 2010.
The polar bear has become the flagship species in the climate-change discussion. However, little is known about how past climate impacted its evolution and persistence, given an extremely poor fossil record. Although it is ... Read more »

Lindqvist, C., Schuster, S., Sun, Y., Talbot, S., Qi, J., Ratan, A., Tomsho, L., Kasson, L., Zeyl, E., Aars, J.... (2010) Complete mitochondrial genome of a Pleistocene jawbone unveils the origin of polar bear. Proceedings of the National Academy of Sciences, 107(11), 5053-5057. DOI: 10.1073/pnas.0914266107  

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