Post List

  • June 3, 2010
  • 08:00 AM
  • 546 views

Exercise – It Works For Depression

by Shaheen Lakhan in Brain Blogger

I’m currently reading with great pleasure Tony Schwartz’s new book, The Way We’re Working Isn’t Working – The Four Forgotten Needs That Energize Great Performance. Schwartz’s main premise is that we need balance — between activity and rest on the physical level, between performance and renewal on the emotional level, between left and right brain [...]... Read more »

Babyak M, Blumenthal JA, Herman S, Khatri P, Doraiswamy M, Moore K, Craighead WE, Baldewicz TT, & Krishnan KR. (2000) Exercise treatment for major depression: maintenance of therapeutic benefit at 10 months. Psychosomatic medicine, 62(5), 633-8. PMID: 11020092  

Blumenthal JA, Babyak MA, Moore KA, Craighead WE, Herman S, Khatri P, Waugh R, Napolitano MA, Forman LM, Appelbaum M.... (1999) Effects of exercise training on older patients with major depression. Archives of internal medicine, 159(19), 2349-56. PMID: 10547175  

  • June 3, 2010
  • 08:00 AM
  • 1,527 views

The Obesity Myth Myth

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

From time to time the media loves to write stories on the Obesity Myth.
These stories come in two flavours - the first one denies the very existence of an obesity epidemic, attributing the rise in obesity statistics to moving definitions that “suddenly” make everyone obese simply by shifting the goal post.
The second flavor of obesity [...]... Read more »

Jarrett B, Bloch GJ, Bennett D, Bleazard B, & Hedges D. (2010) The influence of body mass index, age and gender on current illness: a cross-sectional study. International journal of obesity (2005), 34(3), 429-36. PMID: 20010903  

  • June 3, 2010
  • 05:03 AM
  • 802 views

On coupling

by Richard Grant in Confessions of a (former) Lab Rat

No, not that sort of coupling. I was writing up today's Faculty Dailies, catching up on (yet) another paper about how ribosomes control the rate of transcription. As has been known for decades, bacterial transcription and translation are tightly coupled....... Read more »

  • June 3, 2010
  • 04:39 AM
  • 824 views

Where in the world is the Yellow-billed Magpie? Help us find out this weekend!

by Madhu in Reconciliation Ecology

See and download the full gallery on posterous





What a handsome corvid, the Yellow-billed Magpie. How curiously restricted, its global range:

 

This lovely bird is another one I consider...

... Read more »

Reynolds, M. (1995) Yellow-billed Magpie (Pica nuttalli). The Birds of North America Online. DOI: 10.2173/bna.180  

  • June 3, 2010
  • 03:00 AM
  • 1,459 views

Narcotic treatment contracts and the state of the evidence

by Peter Lipson in Science-Based Medicine

Opium derivatives—and later, synthetic opioids—have probably been used for millennia for the relief of pain. Given human biology, they’ve probably been abused for just as long. Opiate use disorders are a daily fact for primary care physicians; the use of these drugs has become more and more common for chronic non-cancer pain. [...]... Read more »

  • June 3, 2010
  • 02:47 AM
  • 1,464 views

The smell of baking bread: Entity of the Month

by Duncan Hull in O'Really?

Release 69 of Chemical Entities of Biological Interest (ChEBI) is now available, with 584,456 total entities, of which 21,369 are fully annotated to three star level. This months Entity of the Month is the smell of baking bread, or more precisely 6-acetyl-2,3,4,5-tetrahydropyridine. The text below is reproduced from the ChEBI website where data is available [...]... Read more »

  • June 3, 2010
  • 12:54 AM
  • 1,477 views

Is Junk Food Addictive?

by Walter Jessen in Highlight HEALTH

In a recent paper in Nature Neuroscience, two researchers at the Scripps Research Institute in Florida report that obese rats with extended access to what they deemed "palatable food" – bacon, sausage, cheesecake, pound cake, frosting and chocolate – exhibited compulsive like eating behavior, much like rats with extended access to cocaine or heroin.... Read more »

  • June 2, 2010
  • 08:32 PM
  • 860 views

An egregious act of methodological imperialism

by David Poeppel in Talking Brains

In an 'Update' in a recent issue of TICS (Weak quantitative standards in linguistics research. 10.1016/j.tics.2010.03.005), Gibson & Fedorenko (GF) commit an egregious act of methodological imperialism, and an unwarranted one, at that.GF complain that one key source of data for theoretical linguistics (and particularly for syntax and semantics research), acceptability or grammaticality judgments, are not "quantitative." They advocate for some intuitive standard of what it means to do the 'ri........ Read more »

  • June 2, 2010
  • 07:03 PM
  • 412 views

Narcotic treatment contracts and the state of the evidence

by PalMD in White Coat Underground

Not an opium poppy
I took this picture a couple of days ago. This poppy popped up as a volunteer in my front bed. It's about four feet tall and the flower is about 5 cm in diameter. It's not an opium poppy, but it could pass, and I've been looking for an excuse to use the picture.

Opium derivatives---and later, synthetic opioids---have probably been used for millennia for the relief of pain. Given human biology, they've probably been abused for just as long. Opiate use disorders are a da........ Read more »

  • June 2, 2010
  • 06:48 PM
  • 668 views

Which Conflicts Consume Couples the Most?

by eHarmony Labs in eHarmony Labs Blog

It is not just how you fight in your relationships but what you fight about that matters. Discover two conflicts that can be uniquely toxic in couples’ relationships.... Read more »

  • June 2, 2010
  • 06:11 PM
  • 1,337 views

Acupuncture, Adenosine and Cycling Fish

by Lorimer Moseley in BodyInMind

You may have heard this story as it is all over the popular press right now. We are told that scientists have discovered some of the mechanisms underlying acupuncture analgesia. As always with alternative therapy reports the media have enthusiastically bitten off the hand of the press release (see this great account from the blog [...]... Read more »

  • June 2, 2010
  • 05:55 PM
  • 2,085 views

A Flexible Zinc-Carbon Battery: Towards Cheap Intelligent Clothing

by Michael Long in Phased

Pritesh Hiralal (University of Cambridge, United Kingdom) and coworkers have worked towards incorporating cheap batteries directly into clothing. This news feature was written on June 2, 2010.... Read more »

Hiralal, P., Imaizumi, S., Unalan, H. E., Matsumoto, H., Minagawa, M., Rouvala, M., Tanioka, A., & Amaratunga, G. A. J. (2010) Nanomaterial-Enhanced All-Solid Flexible Zinc−Carbon Batteries. ACS Nano, 4(5), 2730-2734. DOI: 10.1021/nn901391q  

  • June 2, 2010
  • 05:21 PM
  • 907 views

Biodiversity is a delicate recipe

by Katie Kline in EcoTone

Unless you enjoy cooking regularly, you probably would not have known the sequence for preparing corn chowder just by the taste. According to a study recently published in Science Express, biodiversity is a similar process. Some scientists go about recreating an ecosystem by adding all of the elements at once into an experiment. The results, however, usually do not replicate the original ecosystem that the researchers were trying to reproduce.

... Read more »

  • June 2, 2010
  • 04:17 PM
  • 736 views

The assessment of emotional expression in dogs

by The Dog Zombie in The Dog Zombie

“The assessment of emotional expression in dogs using a Free Choice Profiling methodology” (Walker et. al., Animal Welfare).Do different people tend to have overlapping or at least complementary ways of describing dog behaviors? And if they do, can a computer put together a behavior scale out of those descriptions, even without any understanding of what’s actually being described? Put a different way: Can we describe a group of observations of dog behavior using a fancy statistical techniq........ Read more »

J Walker, A Dale, N Waran, N Clarke, M Farnworth, & F Wemelsfelder. (2010) The assessment of emotional expression in dogs using a Free Choice Profiling methodology . Animal Welfare, 75-84. info:/

  • June 2, 2010
  • 04:00 PM
  • 1,416 views

Another overhyped acupuncture study misinterpreted

by David Gorski in Science-Based Medicine




Perhaps the most heavily studied of “alternative medicine” modalities is acupuncture. Although it’s hard to be sure as to the reason, I tend to speculate that part of the appeal to trying to do research in this area is because acupuncture is among the most popular of actual “alt-med” modalities, as opposed to science-based medical [...]... Read more »

Goldman, N., Chen, M., Fujita, T., Xu, Q., Peng, W., Liu, W., Jensen, T., Pei, Y., Wang, F., Han, X.... (2010) Adenosine A1 receptors mediate local anti-nociceptive effects of acupuncture. Nature Neuroscience. DOI: 10.1038/nn.2562  

  • June 2, 2010
  • 03:46 PM
  • 876 views

Experiments in cultural transmission and human cultural evolution

by Wintz in A Replicated Typo

For those of you familiar with the formal mathematical models of cultural evolution (Cavalli-Sforza & Feldman, 1981; Boyd & Richerson, 1985), you’ll know there is a substantive body of literature behind the process of cultural transmission. It comes as a surprise, then, that experiments in this area are generally lacking. For instance, if we look [...]... Read more »

  • June 2, 2010
  • 02:40 PM
  • 1,094 views

A vaccine to prevent breast cancer? Not just yet

by Cancer Research UK in Cancer Research UK - Science Update

Last week it was viruses, this week it’s vaccines. So, are we really on the verge of a ‘revolutionary vaccine’ that could ‘end breast cancer’ – as some of the media have stated? No. Not yet, anyway. The headlines in question originated from a paper in Nature Medicine, in which US-based researchers described a series [...]... Read more »

Jaini, R., Kesaraju, P., Johnson, J., Altuntas, C., Jane-wit, D., & Tuohy, V. (2010) An autoimmune-mediated strategy for prophylactic breast cancer vaccination. Nature Medicine. DOI: 10.1038/nm.2161  

  • June 2, 2010
  • 01:52 PM
  • 594 views

Island-Hopping Ceratopsians Made it to Europe

by Brian Switek in Dinosaur Tracking

Ceratopsians, or the “horned dinosaurs” such as Triceratops and Centrosaurus, were among the most distinctive members of dinosaur communities in North America and eastern Asia during the Cretaceous. Even so, bits and pieces of fossil bone collected by paleontologists over the years have hinted that this famous group of dinosaurs had a much wider range [...]... Read more »

  • June 2, 2010
  • 01:10 PM
  • 678 views

Why is running good for you?

by Aaron Berdanier in Biological Posteriors

This weekend I am running in the Kettle Moraine 100, in a 31 mile leg of the 100 mile relay. Given that event, this is my first running science blog post - a slight tangent from ecology...

Where do the health benefits of running come from? Physiologically, people's metabolism changes. Or, more specifically, certain metabolites increase in the body, which trigger cellular responses (for example, fat burning).
... Read more »

Lewis GD, Farrell L, Wood MJ, Martinovic M, Arany Z, Rowe GC, Souza A, Cheng S, McCabe EL, Yang E.... (2010) Metabolic signatures of exercise in human plasma. Science translational medicine, 2(33). PMID: 20505214  

  • June 2, 2010
  • 01:05 PM
  • 1,029 views

Mutation and Selection in a Lung Cancer Genome

by Daniel Koboldt in Massgenomics

A letter to Nature this week presents the whole-genome sequencing of a non-small-cell-lung cancer tumor. Over 500 validated mutations (530 SNVs and 43 structural variants) offer an unprecedented view of genetic variation and selection in solid tumors.

Using arrays of self-assembling DNA nanoballs (DNBs, i.e., the Complete Genomics platform), Lee et al sequenced a primary lung [...]... Read more »

Lee W, Jiang Z, Liu J, Haverty PM, Guan Y, Stinson J, Yue P, Zhang Y, Pant KP, Bhatt D.... (2010) The mutation spectrum revealed by paired genome sequences from a lung cancer patient. Nature, 465(7297), 473-7. PMID: 20505728  

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