Post List

  • August 24, 2011
  • 09:31 AM

Tip of the Week: DomainDraw for quick motif diagrams

by Mary in OpenHelix

Bioinformatics resources can be really complex–sometimes daunting, heavily loaded with crucial data, and provide amazing visualization of large data sets and various features of the underlying data. And other times, that’s way more than you need. Overkill. Like aiming an elephant gun at a mosquito.... Read more »

Fink JL, & Hamilton N. (2007) DomainDraw: a macromolecular feature drawing program. In silico biology, 7(2), 145-50. PMID: 17688439  

  • August 24, 2011
  • 08:59 AM

Childhood Adversity and Adult Health Risk

by William Yates, M.D. in Brain Posts

One of the key elements of preventive medicine for mental disorders is providing a childhood environment of safety, support and stimulation for all children.  In a previous post on the prevalence of adverse childhood events, I reviewed a study that estimated up to one-third of the adult U.S. population experienced three or more childhood adverse experiences.Although the link between adverse childhood experience and later mental health problems is well known, the relationship between adverse........ Read more »

Scott KM, Von Korff M, Angermeyer MC, Benjet C, Bruffaerts R, de Girolamo G, Haro JM, Lépine JP, Ormel J, Posada-Villa J.... (2011) Association of childhood adversities and early-onset mental disorders with adult-onset chronic physical conditions. Archives of general psychiatry, 68(8), 838-44. PMID: 21810647  

  • August 24, 2011
  • 08:00 AM

Taxonomy in decline or growth?

by Zen Faulkes in NeuroDojo

Earlier this year, Craig McClain from Deep Sea News wrote an editorial at Wired arguing that taxonomy as a scientific discipline was “going extinct.”

A short new paper challenges that view.

Joppa and colleagues looked at taxonomic research on cone snails (pictured), spiders, amphibians, birds, reptiles, and mammals. The number of taxonomists studying each group has gone up in every case, not down.

The number of species being described is also going up, but it is actually not keeping up w........ Read more »

  • August 24, 2011
  • 07:02 AM

Want to be exploited, harassed and poor? Take your new husband’s last name!

by Rita Handrich in The Jury Room

I tried to convince my headstrong niece otherwise but she persisted. She didn’t think keeping her last name mattered. As a member of the generation that pioneered the acceptability for women to keep their own last name after marriage, I was sure it did. Now I know I was right. And now she will know [...]

Related posts:Hard to be a woman? The beat goes on….
Redux: Sometimes it’s hard to be a woman (with appreciation to Tammy Wynette, Linda Ronstadt and Anne Reed)
“I didn’t know truth ........ Read more »

Noordewier, M., Horen, F., Ruys, K., & Stapel, D. (2010) What's in a Name? 361.708 Euros: The Effects of Marital Name Change. Basic and Applied Social Psychology, 32(1), 17-25. DOI: 10.1080/01973530903539812  

  • August 24, 2011
  • 05:42 AM

Investigating the personality of companies

by BPS Research Digest in BPS Research Digest

When we think about other people, we do so in terms that can be boiled down to five discrete personality dimensions: extraversion, introversion, neuroticism, conscientiousness and agreeableness (known as the Big Five factors). A new study suggests that a similar process is at work in our perception of companies and corporations. Google and Apple have personalities too, it seems.

Philipp Otto, Nick Chater and Henry Stott quizzed thousands of people about their perception of hundreds of ........ Read more »

Otto, P., Chater, N., & Stott, H. (2011) The psychological representation of corporate ‘personality’. Applied Cognitive Psychology, 25(4), 605-614. DOI: 10.1002/acp.1729  

  • August 24, 2011
  • 04:56 AM

Language Evolves in R, not Python: An appology

by Sean Roberts in A Replicated Typo 2.0

One of the risks of blogging is that you can fire off ideas into the public domain while you’re still excited about them and haven’t really tested them all that well. Last month I blogged about a random walk model of linguistic complexity. This week, I found out that it was flawed...... Read more »

  • August 23, 2011
  • 10:43 PM

Microfluidics Education

by Hector Munoz in Microfluidic Future

The extent to which someone develops their passion and calling for is affected by when they are exposed to it, if it all. It wasn't until 2009 (the summer before my junior year) that I was first exposed to microfluidics when Dr. John T McDevitt came to Rice University. I wish I had met him earlier, because I was hooked from then on, and knew that I wanted to enter the field. Although I had been somewhat familiar with nanotechnology and MEMS since high school, I had never heard anything about mic........ Read more »

  • August 23, 2011
  • 10:30 PM

Vortices, not Vortexing: Replacing the Centrifuge with a Lab-on-a-Chip

by Hector Munoz in Microfluidic Future

In case you didn’t get the first part of my title, let me tell you a little about centrifugation. Centrifugation is a very common research technique. A solution is centrifuged to isolate suspended particles by spinning it around at high speeds. Depending on the weight of the particles and the force of the centrifuge, the heavier particles will form a pellet at the bottom of the container. The rest will still be suspended in fluid. Depending on which particles you’re after, you can continue d........ Read more »

Mach, A., Kim, J., Arshi, A., Hur, S., & Di Carlo, D. (2011) Automated cellular sample preparation using a Centrifuge-on-a-Chip. Lab on a Chip, 11(17), 2827-2834. DOI: 10.1039/c1lc20330d  

  • August 23, 2011
  • 10:27 PM

Decoding Liquids Before Your Very Eyes

by Hector Munoz in Microfluidic Future

Seeing really is believing. How often can we tell what a liquid is by just looking at it? Not too often. Sure, you might be able to tell when you definitely smell something sulfurous, or have a slippery base and I hope you can pick out milk. But we’re not always that lucky, especially if you’re dealing with something you really shouldn’t be touching or directly smelling. There are a ton of tests we can run to pinpoint what it is and you often need a pro to decipher the results. Ideally you........ Read more »

Burgess, I., Mishchenko, L., Hatton, B., Kolle, M., Lončar, M., & Aizenberg, J. (2011) Encoding Complex Wettability Patterns in Chemically Functionalized 3D Photonic Crystals. Journal of the American Chemical Society, 133(32), 12430-12432. DOI: 10.1021/ja2053013  

  • August 23, 2011
  • 09:50 PM

Creating Droplets in Microfluidic Devices with Ultraviolet Light

by Hector Munoz in Microfluidic Future

Digital Microfluidics BackgroundWith the widespread use of electronics, we often use the word ‘digital,’ but we might not always think about what it actually means. For those of you who have never taken a class in electrical engineering, or never learned Latin (from the word digitus), the word describes anything that is discrete as opposed to continuous. Digital has also been applied to a type of microfluidics. With the definition in hand, you might guess that digital microfluidics does not ........ Read more »

  • August 23, 2011
  • 07:35 PM

A Visayan reading of a Luzon artifact

by nath in Imprints of Philippine Science

It is quite difficult to write on something which everybody claims to be an expert at. As a matter of fact, this post has been in my dashboard for more than 4 months already.  It has never been touched since I prepared the image on the lower right. There is a resurgence of interest on [...]... Read more »

  • August 23, 2011
  • 07:13 PM

LKD Eval Document's Notes on Hypertension, Proteinuria and GFR

by in Living Donors Are People Too

Thirty pages is a lot to filter through, especially if one is lacking context or familiarity with the process or vocabulary of transplant. But where this document becomes interesting and somewhat important is in its appendicies. The information about hypertension, proteinuria, kidney function (GFR) etc, is more than is shared with prospective living donors and if known, can help a living donor candidate to protect themselves and make the best decision possible for their future health. For exampl........ Read more »

Poggio, E., Rule, A., Tanchanco, R., Arrigain, S., Butler, R., Srinivas, T., Stephany, B., Meyer, K., Nurko, S., Fatica, R.... (2009) Demographic and clinical characteristics associated with glomerular filtration rates in living kidney donors. Kidney International, 75(10), 1079-1087. DOI: 10.1038/ki.2009.11  

  • August 23, 2011
  • 06:43 PM

Chain, Chain, Chain… Chain of Food

by Laelaps in Laelaps

Xiphactinus is one of the great also-rans of pop paleontology. An enormous fish that swam the long-vanished sea which once blanketed the middle of North America during the Late Cretaceous, it isn’t exactly a household name but it is still cool enough to be regularly included in museum displays, books, and documentaries. The reason why [...]... Read more »

Kriwet, J., Witzmann, F., Klug, S., & Heidtke, U. (2008) First direct evidence of a vertebrate three-level trophic chain in the fossil record. Proceedings of the Royal Society B: Biological Sciences, 275(1631), 181-186. DOI: 10.1098/rspb.2007.1170  

  • August 23, 2011
  • 05:42 PM

Bath spider hybridization

by Africa Gomez in BugBlog

Since the end of July, large spiders with long legs run across carpets in the house, or fall in the bath. Being fast spiders that often react to disturbance by jumping and running very fast - as opposed to crouching or playing dead - these are spiders that tend to scare people. They are males of several species of the genus Tegenaria. This guy fell on my bath a couple of nights ago and it has been the most compliant Tegenaria I've had so far. He sat still on the white bowl while I........ Read more »

  • August 23, 2011
  • 05:23 PM

How to break through social insecurity and get the acceptance you want from others

by eHarmony Labs in eHarmony Labs Blog

Building up the confidence and courage to approach others can be difficult- especially for those that have low self esteem. Being fearful of rejection sometimes causes you to behave as if you have already been rejected. While it is meant to be protective, it sometimes causes the thing you fear the most. Here are some simple steps you can try at home to raise your self esteem, and your resilience in dealing with others. ... Read more »

  • August 23, 2011
  • 03:18 PM

Why putting your hand in a peccary’s mouth is a really bad idea

by Darren Naish in Tetrapod Zoology

You’ll be familiar with peccaries, of course. They’re pig-shaped, shaggy-coated artiodactyls endemic to southern North America, Central America and South America. Fossils indicate that members of the group once occurred throughout the Old World too. Three extant species are conventionally recognised (Collared peccary Pecari tajacu, White-lipped peccary Tayassu pecari and Chacoan peccary Catagonus wagneri), but a [...]... Read more »

  • August 23, 2011
  • 02:57 PM

Safety and biking infrastructure - segregated vs marked bike lanes

by Megan Carter in Verdant Nation

Hopefully I will be back to a more or less regular blog posting schedule now that I am back from my trip overseas. I went to Dublin (Ireland) and Edinburgh (Scotland) for a few weeks of vacation and a couple days of conferencing.  I was lucky enough to get to do some biking both inside and outside of the city (the city being Edinburgh). Today’s post is more of a reflection on biking culture and infrastructure in Ireland and Scotland versus here in Canada. I was only there for a short........ Read more »

  • August 23, 2011
  • 02:20 PM

Chinese Religion Redux

by Cris Campbell in Genealogy of Religion

As Cold War propaganda in the West would have it, communist states were to be despised because they were atheist and Godless. The reality, however, was quite different. In the Soviet Union, the Russian Orthodox Church never went away and popular belief was often at odds with official state doctrine. It is doubtful that the [...]... Read more »

  • August 23, 2011
  • 01:29 PM

Slacker Wrap-Up Part II: Wind-powered Leaping Larvae

by Kelsey in Mauka to Makai

In a roly-poly world filled with roly-poly things (like tumbleweeds and peas), the ability to transform one’s non-roly-poly self into a blur of roly-poly-ness can be essential to survival. Huh? See Exhibit A: The pebble toad (Oreophrynella niger), a tiny toad that lives on the tops of mesas in Venezuela. When threatened by a tarantula, [...]... Read more »

  • August 23, 2011
  • 01:14 PM

Dissonant teaching changes environmental minds

by sciencebase in Sciencebase Science Blog

There are many educational and ethical issues regarding the environment and environmentalism that are generally not addressed, especially when it comes to teaching non-science students. Independent environmental services professional and college professor Chyrisse P. Tabone, who is based in Tampa/St. Petersburg, Florida has spent several years attempting to find a way to remedy this situation. [...]Dissonant teaching changes environmental minds is a post from: Sciencebase Science Blog
... Read more »

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