Post List

  • November 10, 2014
  • 08:59 PM
  • 82 views

Our unclear understanding of ADHD

by neurosci in Neuroscientifically Challenged

Attention-deficit hyperactivity disorder, or ADHD, has engendered a great deal of debate over the past several decades. ADHD is a psychiatric disorder that involves symptoms of inattention (e.g. being easily distracted, having difficulty focusing) or symptoms of hyperactivity (e.g. being fidgety or restless), or a combination of both types of symptoms. The controversy surrounding ADHD became a bit louder in the 1990s, when the number of children being prescribed stimulant drugs like methylphenid........ Read more »

  • November 10, 2014
  • 04:51 PM
  • 84 views

Intestinal Parasites: Friends, Foes and Shades of Gray

by Aurametrix team in Irritable Bowel Blog

Parasite is a bad word with negative connotations. Yet, "bad things" can be good for you - and every situation is different. About one third of people in the world carry at least one parasite in their gastrointestinal tract, and the relationship between health and intestinal parasites is not as straightforward as one might think.... Read more »

  • November 10, 2014
  • 03:57 PM
  • 68 views

A new way to look at Global Warming

by Gabriel in Lunatic Laboratories

Global warming, nothing new with that and it’s here to stay for now. But while computer models churn out bleak forecasts for the planet’s future, we also have a more conceptual understanding of what is happening as humans pump carbon dioxide into the air. Unfortunately the traditional conceptual understanding of carbon dioxide wrapping the planet in a sort of blanket that traps more heat is not quite right.... Read more »

  • November 10, 2014
  • 01:17 PM
  • 67 views

The Dancing Kiwa Puravida (Yeti Crab)

by beredim in Strange Animals

Kiwa PuravidaCredit: Andrew ThurberKingdom: AnimaliaPhylum: ArthropodaSubphylum: CrustaceaClass: MalacostracaOrder: DecapodaInfraorder: AnomuraFamily: KiwaidaeGenus: KiwaSpecies: Kiwa puravidaConservation Status: Not assessedCommon Name: Yeti crabMeet Kiwa puravida, a recently discovered deep-sea dwelling decapod and one of three species informally known as "yeti crabs". The other two are kiwa hirsuta and a creature commonly known as the "Hoff cr........ Read more »

  • November 10, 2014
  • 01:00 PM
  • 15 views

‘Twin’ Ice Age Infants Discovered in 11,500-Year-Old Alaska Grave

by Blake de Pastino in Western Digs

A tenderly decorated grave discovered in Alaska holds the remains of two infants dating back 11,500 years, the youngest Ice Age humans yet found in the Western Hemisphere, archaeologists say.... Read more »

  • November 10, 2014
  • 10:46 AM
  • 64 views

Rhythm and Blue: Plant Circadian Rhythms

by Timothy Havenith in Notes of Nature

Anyone who's suffered from jet lag will know that circadian rhythms are an important process. But perhaps what you didn't know is that plants are also regulated by a circadian clock - and - that the same receptor is used in both plants and animals.Read more »

... Read more »

McClung, C. (2006) Plant Circadian Rhythms. THE PLANT CELL ONLINE, 18(4), 792-803. DOI: 10.1105/tpc.106.040980  

  • November 10, 2014
  • 10:05 AM
  • 74 views

Eating Disorders Linked to Higher Autoimmune Disease Rates

by William Yates, M.D. in Brain Posts

There is increasing evidence for inflammation contributing to risk for a variety of psychiatric disorders.I previously summarized research supporting use of anti-inflammatory drugs in the treatment of depression.A recent study from Finland supports an inflammation link to the eating disorder categories.The key elements of the design of this study included:Subjects: 2342 subjects admitted for treatment in the Eating Disorders Unit at the central hospital in Finland. Four controls were identified ........ Read more »

Raevuori A, Haukka J, Vaarala O, Suvisaari JM, Gissler M, Grainger M, Linna MS, & Suokas JT. (2014) The increased risk for autoimmune diseases in patients with eating disorders. PloS one, 9(8). PMID: 25147950  

  • November 10, 2014
  • 09:51 AM
  • 84 views

When we lie to children, are we teaching them to be dishonest?

by BPS Research Digest in BPS Research Digest

Cookie Monster - one ofthe characters featuredin this research.Most parents lie to their children, often as a way to control their behaviour. A new study asks whether lying to the little ones increases the likelihood that they too will lie. The authors, Chelsea Hays and Leslie Carver, say theirs is the first attempt to investigate this possibility.Nearly two hundred children aged three to seven were each put through a similar scenario, one at a time. First, they were invited to go through to the........ Read more »

  • November 10, 2014
  • 09:48 AM
  • 67 views

Genome Editing with CRISPR-Cas9, nifty animation

by Mary in OpenHelix

I saw this come across my twitter feed the other day, and as a nice Friday afternoon diversion I posted it to Google+. I was surprised how popular it was. So I thought–hey, I have a blog too. Let’s put it there…. So grab some coffee and watch, a nice gentle way to get your […]... Read more »

Platt Randall J., Sidi Chen, Yang Zhou, Michael J. Yim, Lukasz Swiech, Hannah R. Kempton, James E. Dahlman, Oren Parnas, Thomas M. Eisenhaure, Marko Jovanovic.... (2014) CRISPR-Cas9 Knockin Mice for Genome Editing and Cancer Modeling. Cell, 159(2), 440-455. DOI: http://dx.doi.org/10.1016/j.cell.2014.09.014  

  • November 10, 2014
  • 07:02 AM
  • 67 views

Simple Jury Persuasion: The “halo of scientific validity” effect

by Doug Keene in The Jury Room

We’ve written about the lack of evidence for the much-feared “CSI Effect”. But here’s an interesting study about the simple “appearance of science” as opposed to the bells and whistles of high-tech “CSI”-like evidence. All it takes is the use of “scientese” (scientific sounding words)–not to be confused with “lawyerese” (which we wrote about here […]

Related posts:
Simple Jury Persuasion: Educating jurors about science may have no effect
Simple Jury Persuasi........ Read more »

  • November 10, 2014
  • 04:11 AM
  • 60 views

Water-Use Advantage for Lianas over Trees in Tropical Seasonal Forests

by Wiley Asia Blog in Wiley Asia Blog - Life Sciences

Lianas exhibit peak abundance in tropical forests with strong seasonal droughts, the eco-physiological mechanisms associated with lianas coping with water deficits are poorly understood.

Researchers examined soil water partitioning, sap flow, and canopy eco-physiological properties for 99 individuals of 15 liana and 34 co-occurring tree species in three tropical forests that differed in soil water availability.... Read more »

Chen, Y., Cao, K., Schnitzer, S., Fan, Z., Zhang, J., & Bongers, F. (2014) Water-use advantage for lianas over trees in tropical seasonal forests. New Phytologist. DOI: 10.1111/nph.13036  

  • November 10, 2014
  • 03:01 AM
  • 71 views

Metabolomics and autism: the continuing search for biomarkers

by Paul Whiteley in Questioning Answers

I'm always a happy bunny when some of my own research findings receive something like independent replication. So it was when I read the monster paper from Paul West and colleagues [1] (open-access) reporting results based on not one, not two, not three, not even four, but five mass spectrometric methods looking for potential biomarkers for autism. Metabolomics in action (see here for an introduction to this topic).Rosina @ Wikipedia The particular reason for my excitement was the........ Read more »

  • November 10, 2014
  • 12:05 AM
  • 75 views

Measuring Lower Extremity Kinematics? Yep, They Have an App For That

by Jane McDevitt in Sports Medicine Research (SMR): In the Lab & In the Field

A tablet application is a promising, reliable tool to capture objective landing kinematics. Intra-rater reliability is good to excellent with an average of 6 trials. Inter-rater reliability is fair to excellent depending on the level of experience.... Read more »

  • November 9, 2014
  • 09:02 PM
  • 79 views

Using Specific Bacteria to Treat Antibiotic-Induced Diarrheal Disease (C. difficile)

by Geoffrey Hannigan in Prophage

There has been a lot of talk about the microbiome and Clostridium difficile infections. This is because patient antibiotic or chemotherapeutic exposure (both of which can destroy your commensal bacterial communities) increases the risk of C. difficile infection. This observation suggests a role for commensal bacteria in mediating infection resistance. The exact commensal bacteria that mediate protection against C. difficile infection are not known, but luckily for us, scientists are working o........ Read more »

  • November 9, 2014
  • 12:48 PM
  • 101 views

If being sad is “bad”, then why is there sad music?

by Gabriel in Lunatic Laboratories

We tell children not to look so sad. We tell adults to wipe that sad look off their face and smile. We even worry that if you are sad too long, you might need medical attention. Yet, for most of us, when life gets you down, you put on some sad music. So if sadness is such a negative, why do we spend our money and time wallowing in these sad tunes?... Read more »

  • November 9, 2014
  • 12:43 PM
  • 79 views

Will anyone follow this route to low emission, low cost farming?

by Andy Extance in Simple Climate

Can we stop cheap, climate-friendly fertiliser via the STEP process being like transport by jetpack – a promise destined to remain unkept? ... Read more »

  • November 9, 2014
  • 07:39 AM
  • 59 views

Comparative analysis of regulatory information and circuits across distant species

by Franziska Gruhl in genome ecology evolution etc

Development and homeostasis of all organisms is tightly controlled by transcription regulatory factors that are often highly conserved across deep phylogenies. However, it is unclear to what extend the basic components of these networks (e.g. network motifs and structure, binding … Continue reading →... Read more »

Boyle, A., Araya, C., Brdlik, C., Cayting, P., Cheng, C., Cheng, Y., Gardner, K., Hillier, L., Janette, J., Jiang, L.... (2014) Comparative analysis of regulatory information and circuits across distant species. Nature, 512(7515), 453-456. DOI: 10.1038/nature13668  

  • November 9, 2014
  • 06:12 AM
  • 66 views

Sunday's Nudibranch: Jorunna funebris

by beredim in Strange Animals

 Jorunna funebrisPhoto by © Mark Rosenstein  [CC BY-NC-SA 3.0]Kingdom: AnimaliaPhylum: MolluscaClass: GastropodaSuperfamily: DoridoideaFamily: DiscodorididaeGenus: JorunnaSpecies: Jorunna funebrisCommon Name: Dotted nudibranch, Polka DotWhen I was writing my "14 Most Amazing Nudibranchs" post I had a really hard time choosing which species to include and which not.This animal group is very diverse and full of beautiful, alien-like or simply weir........ Read more »

Pattira Kasamesiri, Shettapong Meksumpun, and Charumas Meksumpun. (2012) Observations on Embryonic Development of Black-Spot Jorunna, Jorunna Funebris (Kelaart, 1859) (Gastropoda: Nudibranchia) . Journal of Shellfish Research, 33(2), 111-117. info:/http://dx.doi.org/10.2983/035.031.0114

  • November 9, 2014
  • 05:29 AM
  • 57 views

Subduction is not the end

by Metageologist in Metageologist

Subduction is just the beginning. Stuck on the surface of the earth as we are, it’s easy to think that when oceanic lithosphere is destroyed when it vanishes into the mantle. But this is wrong. The more we manage to peer … Continue reading →... Read more »

  • November 8, 2014
  • 12:55 PM
  • 97 views

When it comes to sleep recommendations, what about the children?

by Gabriel in Lunatic Laboratories

Sleep is a hot topic lately, are we getting too much, too little, how much is enough? However, most of these questions are for adults, so what about children? Well as it turns out a new study used activity monitors to track how sleep habits changed in younger and older teens as they grew during a two-year period. Key findings from this study has also lent t0 new support to recent recommendations by the American Academy of Pediatrics that middle and high schools avoid starting earlier than 8:30 a........ Read more »

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