Post List

  • November 21, 2010
  • 09:00 PM

Dark Matter Fisticuffs I: The Backdrop

by sarah in One Small Step

On Thursday, two giants of astronomy met in the sleepy German city of Bonn to debate one of the basic tenets of our current cosmological vision: the existence of dark matter. In the blue corner was Simon White aka. the Reigning Champion, Director at the Max Planck Insitute for Astrophysics (MPA) in Garching, and figurehead of the concordance cosmology model we all know and live by. In the red corner, Pavel Kroupa aka. the Challenger, Professor at the Argelander Institute in Bonn and well-known e........ Read more »

P. Kroupa, B. Famaey, K. S. de Boer, J. Dabringhausen, M. S. Pawlowski, C. M. Boily, H. Jerjen, D. Forbes, G. Hensler, & M. Metz. (2010) Local-Group tests of dark-matter Concordance Cosmology: Towards a new paradigm for structure formation. Astronomy . arXiv: 1006.1647v3

Peter V. Pikhitsa. (2010) MOND reveals the thermodynamics of gravity. Arxiv. arXiv: 1010.0318v3

  • November 21, 2010
  • 08:47 PM

Psycasm - Willful Deception is Bliss

by Rift in Psycasm

[Wherein our Hero discusses a difficult conceptual problem, and explains why you're probably not as hot as you think]So I’m dealing with a pretty big conceptual problem at the moment. It’s part of the study I’m currently conducting on behalf of another.The study involves, in part, morphing a participant’s face with that of a more attractive target and with that of a less attractive ta; (read more)

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

  • November 21, 2010
  • 08:47 PM

Psycasm - Willful Self-Deception is Bliss

by Rift in Psycasm

[Wherein our Hero discusses a difficult conceptual problem, and explains why you're probably not as hot as you think]So I’m dealing with a pretty big conceptual problem at the moment. It’s part of the study I’m currently conducting on behalf of another.The study involves, in part, morphing a participant’s face with that of a more attractive target and with that of a less attractive ta; (read more)

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

  • November 21, 2010
  • 05:52 PM

Where have all the data gone?

by Daniel Mietchen in Research Cycle Research

Where have all the data gone, long time passing? Where have all the data gone, long time ago? Where have all the data gone? Disk crashed, new project, postdoc gone. Oh, when will they ever learn? Oh, when will they … Continue reading →... Read more »

  • November 21, 2010
  • 01:41 PM

Taking a closer look at health encounters for people with chronic pain

by Bronwyn Thompson in Healthskills: Skills for Healthy Living

A theme of comments made by people I’ve seen clinically is that certain health care encounters they’ve had have not been especially helpful. Some people feel belittled, some patronised, some bamboozled, some dismissed – and yet in most surveys of health care satisfaction, the rating is pretty high (Jenkinson, Coulter, Bruster, Richards & Chandola, 2002). … Read more... Read more »

  • November 21, 2010
  • 12:26 PM

Bird song vs urban noise

by davesbrain in Dave Hubble's ecology spot

It's now well known that some birds can adapt their songs to different environments. For example, great tits (Parus major) have been shown to sing faster and at a higher pitch in urban areas (Slabbekoorn & den Boer-Visser 2006). This may be because urban noise, mostly from traffic, tends to be at a lower pitch and drowns out low-pitched birdsong. Also, the relative openness of city landscapes compared to woodland means that high-pitched songs are less likely to be lost in reflections in dense fo........ Read more »

  • November 21, 2010
  • 07:00 AM

When Organisms Really Shine... Bioluminescence Pt.1

by defectivebrayne in The Defective Brain

As near exclusive surface dwellers, we only see the sun-kissed top layers of the vast oceans of our planet. As we descend into the depths, the light from the sun dies away. And as we reach the bottom, we should be plunged into absolute blackness.
But we aren't. There are lights at the bottom of the ocean....... Read more »

Haddock, S., Moline, M., & Case, J. (2010) Bioluminescence in the Sea. Annual Review of Marine Science, 2(1), 443-493. DOI: 10.1146/annurev-marine-120308-081028  

  • November 21, 2010
  • 06:41 AM

Autism Gives You Biblical Superpowers

by Neuroskeptic in Neuroskeptic

We've all heard about autistic "savants" with amazing mathematical, memory or artistic abilities. But could autism give you the power to kill 1,000 men armed only with a donkey bone?Samson was the original Chuck Norris. Granted mighty strength by God so long as he didn't cut his hair or shave, Samson's first act of heroism was ripping a lion to shreds with his bear hands. Then he moved onto people. According to the Book of Judges:"And Samson said, With the jawbone of an ass, heaps upon heaps, wi........ Read more »

  • November 20, 2010
  • 11:00 PM

Prognostic Tool in Pediatric Oncological Hospice

by Brian McMichael, MD in Pallimed: a Hospice & Palliative Medicine Blog

An article in the December 1st issue of Pediatric Blood and Cancer presents the validation of a prognostic tool in pediatric hospice care. The study was produced by a team from the Hospital A.C. Camargo, a large cancer center in São Paulo, Brazil, which developed the prognostic tool to predict 60-day survival of pediatric end-stage oncology patients.... Read more »

  • November 20, 2010
  • 09:50 PM

Warm blooded turtles?

by Iddo Friedberg in Byte Size Biology

If you entered this post to comment the error in the title, then I have one word for you. Gotcha! Yes, “warm blooded” animals are not, really, warm blooded. After all, a lizard in the baking sun has a core temperature higher than most mammals, but it is still called “cold blooded”.  So-called cold blooded [...]... Read more »

  • November 20, 2010
  • 09:10 PM

Einstein, tea leaves, meandering rivers, and beer

by Zoltan Sylvester in Hindered Settling

If you make your tea the old-fashioned way, ending up with a few tea leaves at the bottom of the teacup, and you start stirring the tea, you would expect the leaves to move outward, due to the push of the centrifugal force. Instead the leaves follow a spiral trajectory toward the center the cup. The physical processes that result in this 'tea leaf paradox' are essentially the same as the ones responsible for building point bars in meandering rivers. It turns out that the first scientist to make ........ Read more »

  • November 20, 2010
  • 06:00 PM

Saturday Review: The Inflammasome!

by Kevin Bonham in Food Matters

This week, I'm going to take a break from vaccines and do some innate immunity. Today's topic: the provocatively named "Inflammasome." This Nature Review from last month focused on inflammasomes and anti-viral immunity, but I think the inflammasome itself needs its own post.

A breakthrough in our understanding of the mechanisms that control the activation of inflammatory caspases came from the identification and characterization of the inflammasome, a large (~700 kDa) multiprotein complex that ........ Read more »

  • November 20, 2010
  • 05:34 PM

Walking With Music: Useful Tool for Gait Training in Parkinson’s Disease

by Maria P. in noustuff

Scientists from Canada showed that listening to music during gait training could help patients with Parkinson’s Disease. Gait disturbances is one of the main characteristics of Parkinson’s Disease (PD). It has been associated with increased risk of falling, diminished mobility, and reduced quality of life. In addition to that, patients with PD have difficulties when [...]... Read more »

  • November 20, 2010
  • 02:06 PM

Stroke prevention: a less bitter pill?

by PalMD in White Coat Underground

Stroke is one of the three most common causes of death in North America.   A while back, we briefly discussed some of the causes of stroke, including a heart rhythm problem called atrial fibrillation (afib).  Afib is a very common problem, affecting over 2 million North Americans.  It becomes more common with age.  In afib, [...]... Read more »

  • November 20, 2010
  • 01:07 PM

The pursuit of happiness

by Hadas Shema in Information Culture

Happiness is an elusive term (though for most people, it includes one form or another of chocolate) and, to many people's surprise, it doesn't have much to do with money. Aaker, Rudd & Mogilner (forthcoming, 2011) reviewed the current happiness literature and came up with a list of five principles for happiness-maximizing ways to spend time. Spend your time with the right people. People who socialize more often tend to be happier than those who spend most of their time alone. Happiness is as........ Read more »

Aaker, J. L., Rudd, L., & Mogilner, C. (2011) If Money Doesn’t Make You Happy, Consider Time. Journal of Consumer Psychology. info:/

  • November 20, 2010
  • 01:03 PM

Flu Fighting: Just Wash Your Hands - Often?

by mc in begin to dig (b2d)

There's a lot of information out there suggesting that we should get a flu shot.
But is that being proposed as a bigger single factor solution than it really may be? Are we perhaps getting distracted into thinking this is a better solution than something cheaper and simpler - like getting more rest, eating better, and in particular during flu season, washing our hands frequently? Here's a bit of an overview on why where and how getting some new habits around hands may be a pretty healthy happy ........ Read more »

Cannell, J., Zasloff, M., Garland, C., Scragg, R., & Giovannucci, E. (2008) On the epidemiology of influenza. Virology Journal, 5(1), 29. DOI: 10.1186/1743-422X-5-29  

Jefferson T, Del Mar C, Dooley L, Ferroni E, Al-Ansary LA, Bawazeer GA, van Driel ML, Nair S, Foxlee R, & Rivetti A. (2010) Physical interventions to interrupt or reduce the spread of respiratory viruses: a Cochrane review. Health technology assessment (Winchester, England), 14(34), 347-476. PMID: 20648717  

Savolainen-Kopra, C., Haapakoski, J., Peltola, P., Ziegler, T., Korpela, T., Anttila, P., Amiryousefi, A., Huovinen, P., Huvinen, M., Noronen, H.... (2010) STOPFLU: is it possible to reduce the number of days off in office work by improved hand-hygiene?. Trials, 11(1), 69. DOI: 10.1186/1745-6215-11-69  

  • November 20, 2010
  • 11:03 AM

Leaf miners & climate change?

by davesbrain in Dave Hubble's ecology spot

OK, I'm going to be a bit speculative here... In April this year, I found abut 20 leaf mines of the agromyzid fly Chromatomyia aprilina on honeysuckle (Lonicera periclymenum) in Stoke Park Woods near Eastleigh in Hampshire. Although probably under-recorded in the county (the local records centre had a single record, and I found one more on the excellent British Leafminers site), there is nothing inherently astonishing about finding this species, except for the date when I found it and the form i........ Read more »

D. Hubble. (2010) Hampshire records of Chromatomyia aprilina Goureau 1851 (Diptera, Agromyzidae) - an under-recorded leaf miner?. Dipterists Digest, 17(1), 63-64. info:/

  • November 20, 2010
  • 08:15 AM

High-Carbohydrate Eating Promotes Heart Disease in Women

by Steve Parker, M.D. in Diabetic Mediterranean Diet Blog

Women double their risk of developing coronary heart disease if they have high consumption of carbohydrates, according to research recently published in the Archives of Internal Medicine.  Men’s hearts, however, didn’t seem to be affected by carb consumption. I mention this crucial … Continue reading →... Read more »

Sieri, S., Krogh, V., Berrino, F., Evangelista, A., Agnoli, C., Brighenti, F., Pellegrini, N., Palli, D., Masala, G., Sacerdote, C.... (2010) Dietary Glycemic Load and Index and Risk of Coronary Heart Disease in a Large Italian Cohort: The EPICOR Study. Archives of Internal Medicine, 170(7), 640-647. DOI: 10.1001/archinternmed.2010.15  

  • November 20, 2010
  • 06:32 AM

The Tale of Genie

by John Wayland in The Darwin Tribune

The story of Genie is one of hope and sadness. In the following two videos from the BBC's Genie: A Deprived Child, we see what the story of Genie is all about, with those who worked with her.Watch Genie: A Deprived Child [Part 1] in Entertainment  |  View More Free Videos Online at Veoh.comEssentially, Genie was a pseudonym for a girl who was found in extremely poor conditions. Not only were her surroundings incredibly unstimulating, they were also very dirty and horrid. The ........ Read more »

  • November 19, 2010
  • 11:51 PM

Trampling Over The Dikika Cut Marks

by in

Well, I feel somewhat vindicated. Remember the post where I criticized hominin cut marks from over 3 million years ago? Others have also had an eye of suspicion and have published their concerns in PNAS this week. I was wrong in considering the croc marking differential to the cut marks. But I was not wrong [...]... Read more »

Domínguez-Rodrigo M, Pickering TR, & Bunn HT. (2010) Configurational approach to identifying the earliest hominin butchers. Proceedings of the National Academy of Sciences of the United States of America. PMID: 21078985  

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