Post List

  • February 6, 2011
  • 08:11 PM

Deep-Sea Creatures Play in the Same Band

by Dr. M in Deep Sea News

I am really loving the new paper by O’Hara et al.  The gist is we typically think of the different oceans having unique sets of deep-sea organisms.  A Pacific set of animals, an Atlantic set, an Indian set and so on.  But O’Hara and colleagues show instead that brittle stars are differentiated along broad latitudinal bands.  This is very similar to . . . → Read More: Deep-Sea Creatures Play in the Same Band... Read more »

  • February 6, 2011
  • 08:09 PM

Childhood ADHD and Food "Sensitivity"

by William Yates, M.D. in Brain Posts

I admit that I am a skeptic about the effect of diet on ADHD and most mental disorders.  No one can argue that a healthy diet should not be routinely advised for all individuals with or without an emotional disorder.   However, I am open to looking at research studies and data--I'm willing to change my opinion if the research supports such a change.A group of Dutch researchers recently published a study of diet and ADHD symptoms in a small sample of children with ADHD be........ Read more »

  • February 6, 2011
  • 04:44 PM

On never forgetting where you came from: Epigenetic differences in iPSCs

by Joe Hanson in It's Okay To Be Smart

Recent high-impact papers have highlighted concerns about the epigenetic differences between reprogrammed pluripotent cells and their embryonic stem cell counterparts. However, when one considers the propagation of DNA methyl marks and the history of this young field, these observations are neither new or surprising. In fact, brand new research released this month indicates that their differences might not be as detrimental to therapeutic potential as once thought.... Read more »

Lister, R., Pelizzola, M., Kida, Y., Hawkins, R., Nery, J., Hon, G., Antosiewicz-Bourget, J., O’Malley, R., Castanon, R., Klugman, S.... (2011) Hotspots of aberrant epigenomic reprogramming in human induced pluripotent stem cells. Nature. DOI: 10.1038/nature09798  

Ptashne M. (2007) On the use of the word 'epigenetic'. Current biology : CB, 17(7). PMID: 17407749  

Polo JM, Liu S, Figueroa ME, Kulalert W, Eminli S, Tan KY, Apostolou E, Stadtfeld M, Li Y, Shioda T.... (2010) Cell type of origin influences the molecular and functional properties of mouse induced pluripotent stem cells. Nature biotechnology, 28(8), 848-55. PMID: 20644536  

Kim K, Doi A, Wen B, Ng K, Zhao R, Cahan P, Kim J, Aryee MJ, Ji H, Ehrlich LI.... (2010) Epigenetic memory in induced pluripotent stem cells. Nature, 467(7313), 285-90. PMID: 20644535  

  • February 6, 2011
  • 04:32 PM

Droughts and the decline and rise of urban civilizations

by Michael Smith in Wide Urban World

Paleoclimatic data from a new tree-ring sequence in central Mexico have implications for the fall and rise of cities and urban societies before the Spanish conquest.... Read more »

Stahle, David W., José Villanueva-Díaz, Dorian J. Burnette, Julián Cerano Paredes, Richard Heim, Jr., Falko K. Fye, Rodolfo A. Soto, Matthew D. Therrell, Malcolm K. Cleaveland, and D. K. Stahle. (2011) Major Mesoamerican Droughts of the Past Millennium. Geophysical Research Letters. info:/

  • February 6, 2011
  • 04:11 PM

It isn’t just students: Medical researchers aren’t citing previous work either

by bjms1002 in the Undergraduate Science Librarian

One of the things that faculty often complain about is that students don’t adequately track down and cite enough relevant material for their term papers and projects.  This problem isn’t confined to undergraduates.  A study in the January 4, 2011 issue of the Annals of Internal Medicine by Karen Robinson and Steven Goodman finds that [...]... Read more »

  • February 6, 2011
  • 03:56 PM

Should a disaster occur, do you know how your children would perceive it?

by Zijing He in ionpsych

As media technology advances, we not only gain more access to world news about all kinds of disasters; we also become more concerned about potential disasters that might happen to us or our loved ones, especially to our innocent children. … Continue reading →... Read more »

  • February 6, 2011
  • 03:26 PM

Does Parenting Matter?

by W.B. PsychCents in ionpsych

While at the grocery store, you may head down an aisle only to quickly turn around because you immediately feel uncomfortable when you overhear a parent who, with every scold, makes her child cry even harder about the chocolate bar … Continue reading →... Read more »

Bokhorst, C., Bakermans-kranenburg, M., Pasco fearon, R., Van ijzendoorn, M., Fonagy, P., & Schuengel, C. (2003) The Importance of Shared Environment in Mother-Infant Attachment Security: A Behavioral Genetic Study. Child Development, 74(6), 1769-1782. DOI: 10.1046/j.1467-8624.2003.00637.x  

Sroufe, L.A., Egeland, B., Carlson, E.A., . (2005) The development of the person: The Minnesota study of risk and adaptation from birth to adulthood. . New York: Guilford. info:/

  • February 6, 2011
  • 01:35 PM

Study: When Your Super Bowl Team Goes Down, Your Death Risk Goes Up

by David Berreby in Mind Matters

The link between Super Bowls and heart failure is usually written in guacamole and beer. But we are a social species, whose feelings about group identity have a direct impact on health, via the brain-body connection. Hence this study in this month's Clinical Cardiology, which says death rates in ...Read More
... Read more »

  • February 6, 2011
  • 12:17 PM

What Stem Cells Need to Survive in the Brain

by Shaheen Lakhan in Brain Blogger

Stem cells have been a hot and also controversial topic in research and in the media for the last few years, as they might be used in the future to repair injured tissue in such diverse disease like heart attacks, strokes, Alzheimer’s disease, Parkinson’s disease and many more. But, there are also unsolved ethical issues [...]... Read more »

  • February 6, 2011
  • 10:33 AM

Ultra-tough glass: bending without breaking

by Anna Goldstein in Berkeley Science Review Blog

Many years ago, my parents and brother were driving home late at night, full speed on a highway, when a large rock thrown off an overpass struck their car's windshield. There was a time when an impact like that would have shattered the windshield glass, likely leading to a tragic accident and - for me - a painful childhood. But, thanks to the modern miracle of laminated safety glass, the windshield did not shatter; it only cracked. The rock rolled away, my dad maintained control of the car, and ........ Read more »

Demetriou MD, Launey ME, Garrett G, Schramm JP, Hofmann DC, Johnson WL, & Ritchie RO. (2011) A damage-tolerant glass. Nature materials, 10(2), 123-8. PMID: 21217693  

  • February 6, 2011
  • 10:31 AM

RNA is so passé. Mitochondrial ribosomes ditch rRNA in favour of protein

by Gemma Atkinson in Protein evolution and other musings

Mitochondria are the energy-producing organelles of eukaryotes that evolved from a endosymbiotic bacterial ancestor, probably before the divergence of all known eukaryotes. They retain a minimal genome, which in humans amounts to just 37 genes: 13 for components of respiratory complexes and 24 for translation (22 transfer (t) RNAs and 2 ribosomal (r) RNAs).Translation is pretty bizarre in mitochondria, and very different among different eukaryotic lineages in terms of mRNA features and involveme........ Read more »

  • February 6, 2011
  • 10:28 AM

How “wild” is Ethiopian forest coffee?

by Julie Craves in Coffee & Conservation

Ethiopia is the birthplace of coffee.  Coffea arabica originates in and still grows wild in Ethiopia in areas which are included in the Eastern Afromontane Biodiversity hotspot.  This hotspot — [...]

... Read more »

  • February 6, 2011
  • 08:59 AM

Deep Sea 101: Lessons from the Census of Marine Life

by Kevin Zelnio in Deep Sea News

←Previous lesson: Introduction and What Is the Deep Sea?
Click image to go to Census of Marine Life!
Last week we kicked off our online class with an introduction to the deep sea environment. Before we continue on to spend a bit of time talking about the history of deep-sea exploration, I want to discuss the current state . . . → Read More: Deep Sea 101: Lessons from the Census of Marine Life... Read more »

Costa, D., Huckstadt, L., Crocker, D., McDonald, B., Goebel, M., & Fedak, M. (2010) Approaches to Studying Climatic Change and its Role on the Habitat Selection of Antarctic Pinnipeds. Integrative and Comparative Biology, 50(6), 1018-1030. DOI: 10.1093/icb/icq054  

  • February 6, 2011
  • 08:50 AM

random chance vs determinism | Knowing, Part 1

by Michael Lombardi in a New Life in the Sea

This post is a continuation of the analysis of my marathon movie weekend. As I escaped the creepiness, yet remained perplexed by The Fourth Kind, I found myself more deeply enveloped by 'Knowing'. The film followed my alien themed movie marathon, but more subtly, and emphasized a focus on our perceptions of reality.

In the early part of the film, we meet Nicholas Cage's character, a professor from MIT, who poses a challenge to his students to consider whether life is the product........ Read more »

unknown. (1932) Determinism Defined. Nature, 129(3250), 228-228. DOI: 10.1038/129228d0  

Kampen, N. (1991) Determinism and predictability. Synthese, 89(2), 273-281. DOI: 10.1007/BF00413908  

  • February 6, 2011
  • 08:00 AM

A crustacean genome at last

by Michael Bok in Arthropoda

This week saw the official publication of the first crustacean genome (unless you count the flying crustacean genomes: fruit flies, bees, wasps, aphids, mosquitoes, and beetles). The genome is that of a “water flea” Daphnia pulex, a Branchiopod related to brine shrimp (Arthemia) and fairy shrimp (Triops). Daphnia is tiny, between 1.5 and 3 millimeters [...]... Read more »

Colbourne, J., Pfrender, M., Gilbert, D., Thomas, W., Tucker, A., Oakley, T., Tokishita, S., Aerts, A., Arnold, G., Basu, M.... (2011) The Ecoresponsive Genome of Daphnia pulex. Science, 331(6017), 555-561. DOI: 10.1126/science.1197761  

  • February 6, 2011
  • 02:17 AM

Mental health assessments can directly benefit clients

by Keith Bredemeier in ionpsych

Relative to other mental health service providers (e.g., psychiatrists, social workers), clinical psychologists receive extensive training in conducting mental health assessments, placing them in a unique position to offer these services to clients.  As a result, assessment has been a … Continue reading →... Read more »

Eisman, E.J., et al. (2000) Problems and limitations in the use of psychological assessment in the contemporary health care delivery system. Professional Psychology: Research and Practice, 131-140. info:/

  • February 6, 2011
  • 01:52 AM

Don't Panic! Realities of Vector Borne Diseases after the Queenslands Floods

by Linda Lin in Oz Blog No. 159

While there's always a risk of rising disease incidence after a natural disaster, it's not always a cause for concern. For Western and developed countries, chances of acquiring a vector borne disease are slim. Yes, you should still probably take...... Read more »

  • February 6, 2011
  • 01:50 AM

Can the Tiger-Mom Approach Explain the Math Learning Gap Between America and China?

by Zijing He in ionpsych

Educators have long been concerned about the math learning gap between America and China: children in China and other East Asian countries outperform their American peers on various math tasks (e.g., counting, arithmetic, algebra, & geometry). To maintain America’s national … Continue reading →... Read more »

  • February 6, 2011
  • 01:45 AM

Alien Babies: To'au in He'eia Mangroves

by Megsie Siple in Fishpond Fever

While I was seining with the LAIP interns this past summer, we came across some interesting fish living near the mangroves. While some of the fish and nearly all the invertebrates we've seen are species that may spend their entire lives in the pond (the half-spotted goby, for example, or Podopthalmus vigil, the Hawai'ian swimming crab), others are transient. Many Hawai'ian fishponds are strategically placed at the mouths of streams because highly productive, protected estuaries ar........ Read more »

  • February 6, 2011
  • 12:40 AM

Insights into the pathogenesis of the Spanish Flu

by Michelle Ziegler in Contagions

One of the enduring mysteries of influenza is why the 1918 H1N1 influenza, better known as the Spanish Flu, was so unusually deadly. The 2009 H1N1 influenza was certainly capable of creating a pandemic but was not nearly as deadly. Granted most of the fatalities in 1918 had bacterial pneumonia that could probably have been [...]... Read more »

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