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  • July 5, 2010
  • 01:00 PM
  • 1,044 views

The Sea Slug's Guide to Plastid Adoption

by Merry Youle in Small Things Considered

Having an intimate relationship with photosynthetic microbes is a widespread strategy adopted by numerous unicellular and multicellular organisms. Some eschew a committed relationship, and simply nab the plastids, sequestering them...... Read more »

Rumpho ME, Worful JM, Lee J, Kannan K, Tyler MS, Bhattacharya D, Moustafa A, & Manhart JR. (2008) Horizontal gene transfer of the algal nuclear gene psbO to the photosynthetic sea slug Elysia chlorotica. Proceedings of the National Academy of Sciences of the United States of America, 105(46), 17867-71. PMID: 19004808  

  • July 5, 2010
  • 01:00 PM
  • 652 views

The Sea Slug's Guide to Plastid Adoption

by Moselio Schaechter in Small Things Considered

by Merry A handsome E. chlorotica. Its rich green pigmentation is courtesy of plastids captured from its food source, the siphonaceous marine alga Vaucheria litorea (seen in the background). Source. Having an intimate relationship with photosynthetic microbes is a widespread strategy adopted by numerous unicellular and multicellular organisms. Some eschew a committed relationship, and simply nab the plastids, sequestering them...... Read more »

Rumpho ME, Worful JM, Lee J, Kannan K, Tyler MS, Bhattacharya D, Moustafa A, & Manhart JR. (2008) Horizontal gene transfer of the algal nuclear gene psbO to the photosynthetic sea slug Elysia chlorotica. Proceedings of the National Academy of Sciences of the United States of America, 105(46), 17867-71. PMID: 19004808  

  • July 5, 2010
  • 12:55 PM
  • 840 views

Standardization cause of poor replicability?

by Henkjan Honing in Music Matters

In the last few years Web-based experiments have become an attractive alternative to lab-based experiments. Next to the advantages of versatility and the ecological validity of the results, Web-based experiments can potentially reach a much larger, more varied and intrinsically motivated participant pool. Especially in the domain of music perception and cognition it is important to probe a wide variety of participants, with different levels of training and cultural backgrounds.Nevertheless, to g........ Read more »

Richter, S., Garner, J., Auer, C., Kunert, J., & Würbel, H. (2010) Systematic variation improves reproducibility of animal experiments. Nature Methods, 7(3), 167-168. DOI: 10.1038/nmeth0310-167  

Honing, H., & Reips, U.-D. (2008) Web-based versus lab-based studies: a response to Kendall (2008). Empirical Musicology Review, 3(2), 73-77. info:/

  • July 5, 2010
  • 12:48 PM
  • 908 views

Parental Age as a Risk Factor for Bipolar Disorder

by William Yates, M.D. in Brain Posts

Advanced parental age appears to confer increased risk for a variety of clinical neuroscience disorders. First described in Down syndrome, advanced parental age at conception has now been linked to schizophrenia and autism. Effects of advanced parental age on risk have been found for both fathers and mothers. Some disorders appear to have more risk with paternal age while other appear to have more effect with maternal age. The presumed mechanism is sporadic mutations in male germ cells and fe........ Read more »

Menezes PR, Lewis G, Rasmussen F, Zammit S, Sipos A, Harrison GL, Tynelius P, & Gunnell D. (2010) Paternal and maternal ages at conception and risk of bipolar affective disorder in their offspring. Psychological medicine, 40(3), 477-85. PMID: 19627644  

  • July 5, 2010
  • 10:18 AM
  • 1,277 views

Boney lumps and fast ways to the genetic cause of a disease

by Grant Jacobs in Code for life






We all have our lumps, the quirky features we develop with time.
Some of these are bone spurs, extra growths of bone.
These can be caused from damage to joints, like the lumpy joints seen in elderly people with arthritis. Bone spurs from differing causes can develop in many parts of the body, spine, toes, heel and [...]... Read more »

Sobreira NL, Cirulli ET, Avramopoulos D, Wohler E, Oswald GL, Stevens EL, Ge D, Shianna KV, Smith JP, Maia JM.... (2010) Whole-genome sequencing of a single proband together with linkage analysis identifies a Mendelian disease gene. PLoS genetics, 6(6). PMID: 20577567  

  • July 5, 2010
  • 10:05 AM
  • 423 views

Losing the scientific lede

by Jeremy Yoder in Denim and Tweed

Over at SEED, Dave Munger reflects on how online publishing and dissemination methods can strip the nuance from scientific news:I thought I was being careful to explain the results of several studies, showing that suicide is a difficult problem with many potential contributing factors and confounding variables, including mental illness, depression, and the seemingly contradictory influences of intelligence. Yet on social-networking sites, many readers latched on to one finding: That countries wi........ Read more »

  • July 5, 2010
  • 09:30 AM
  • 1,156 views

Homeopathy in the ICU?

by David Gorski in Science-Based Medicine

Editor’s note: It’s still a holiday weekend in the United States. I had considered simply taking the day off altogether, particularly since I’m busily working on my talk for TAM8–which (holy crap!) is in a mere three days, but then I figured today’s a good time to resurrect a “classic” (if you will) post that [...]... Read more »

  • July 5, 2010
  • 08:29 AM
  • 627 views

XMRV and Chronic Fatigue Syndrome, Continued (Again)

by Neuroskeptic in Neuroskeptic

Yet more twists have emerged in the already serpentine tale of XMRV, the virus that may or may not be responsible for causing some cases of chronic fatigue syndrome (CFS), aka myalgic encephalomyelitis, (ME).First off, on Saturday 2nd July, a news item in Science magazine reported that two papers on XMRV were about to be published, but that the publication of both was "on hold" because they contradicted each other. One paper, from the US federal Centers for Disease Control (CDC), supposedly foun........ Read more »

  • July 5, 2010
  • 08:00 AM
  • 1,029 views

The hidden, invisible, and private web

by sciencebase in Sciencebase Science Blog

Everyone knows that Google and the other search engines between them crawl, spider, and slurp up the whole internet, right? Wrong! The millions of websites that are obviously available on the internet are readily searchable, Google Bing, Yahoo, and their ilk have seen to that, we can usually find documents, pages, digital images, videos, music, [...]The hidden, invisible, and private web is a post from: Sciencebase Science Blog

You can also connect with Sciencebase on Facebook and Twitter
... Read more »

Peter Mork, Ken Smith, Barbara Blaustein, Christopher Wolf, Ken Samuel, Keri Sarver, & Irina Vayndiner. (2010) Facilitating discovery on the private web using dataset digests. International Journal of Metadata, Semantics and Ontologies, 5(3), 170-183. info:/

  • July 5, 2010
  • 08:00 AM
  • 588 views

Island getaway, or: A lizard in a life-boat

by Zen Faulkes in NeuroDojo

Bermuda. Famous for its sun. Sand. Surf. Shorts. Triangles. Lizards.

Okay, maybe not the lizards. Not yet.

Islands and lakes hold a special place in the heart of evolutionary biologists (here’s a few examples from this blog: sticklebacks, crickets). As Jerry Coyne likes to say, island biogeography provides evidence for evolution so strong that most creationists simply ignore it.


View Larger Map

Bermuda formed about two million years ago. It’s small and a long way from the mainland, and ........ Read more »

Brandley, M., Wang, Y., Guo, X., Nieto Montes de Oca, A., Fería Ortíz, M., Hikida, T., & Ota, H. (2010) Bermuda as an evolutionary life raft for an ancient lineage of endangered Lizards. PLoS ONE, 5(6). DOI: 10.1371/journal.pone.0011375  

  • July 5, 2010
  • 06:57 AM
  • 1,240 views

History of Medicine: ‘Natural’ eugenics

by Wellcome Trust in Wellcome Trust Blog

I always enjoy hearing about those exceptional people who can step outside the general buzz and flow of events and current thinking to see where it is meeting resistance and problems. And who then have the force of personality, intellect and ingenuity to change its direction, so that the desired end is met. Sometimes the [...]... Read more »

  • July 5, 2010
  • 06:06 AM
  • 1,401 views

Large flat whites taste stronger than regular flat whites

by Lorimer Moseley in BodyInMind

Australia is, I think, the home of the Flat White – a coffee that is a bit like a latte with less milk and that has quite recently started infiltrating the UK coffee scene. Of course, Monmouth at Borough Market has been doing a very good flat white for a few years, but then again, [...]... Read more »

  • July 5, 2010
  • 04:53 AM
  • 1,365 views

With wrinkles, it's the quantity, not their location, that ages you most

by BPS Research Digest in BPS Research Digest

You emerge from bed, drag yourself to the bathroom and peer through heavy, hooded eyelids at the mirror. There to your horror you see last night's frivolities etched into your face: freshly dug, trench-like furrows, and spidery lines scrawled across your skin as if by a mindless, scribbling toddler. It's aged you by about ten years - or has it? Actually, the impact of wrinkles, both in terms of quantity and type, on perceptions of age has been little researched since the early 1980s [pdf]. Accor........ Read more »

  • July 5, 2010
  • 02:10 AM
  • 1,918 views

GABA enriched chocolate against stress?

by Dr Shock in Dr Shock MD PhD


At first Dr Shock was baffled. Mixing precious chocolate with chemicals? What a waste. Apparently cocoa has about 52 mg of GABA per 100 gram cacao. GABA is the major inhibitory neurotransmitter in the brain and it has been shown to have an acute psychological stress-reducing effect in humans and a tranquilizing effect on sleeplessness, [...]


Related posts:Animal Model for Benefits of Chocolate for Cardiovascular System
Chocolate Against Stress
Dark Chocolate Improves Coronary Blood Flow
... Read more »

  • July 5, 2010
  • 01:48 AM
  • 1,853 views

What the cuttlefish sees that you don't

by Mike Mike in Cephalove

I thought I'd mix things up a little bit and take a look at some research on the sensory abilities of cuttlefish.  Specifically, I'd like to take a look at an aspect of cuttlefish vision that has shown up in the literature recently (it's actually one of the few threads of cuttlefish research that seems to be active at the moment - the other ones I've noticed are memory and fishery ecology and management): the ability of cuttlefish to perceive polarized light.  Polarized light is compos........ Read more »

  • July 5, 2010
  • 01:09 AM
  • 1,074 views

Perennial grains gain credibility

by Jeremy in Agricultural Biodiversity Weblog

It has been almost 10 days since the publication of Increased Food and Ecosystem Security via Perennial Grains in the Policy Forum of the journal Science. Not long in the 10,000 year history of agriculture, agreed, but long enough to have had a bit more impact, which it deserves for two reasons. First, there’s [...]... Read more »

Glover, J., Reganold, J., Bell, L., Borevitz, J., Brummer, E., Buckler, E., Cox, C., Cox, T., Crews, T., Culman, S.... (2010) Increased Food and Ecosystem Security via Perennial Grains. Science, 328(5986), 1638-1639. DOI: 10.1126/science.1188761  

  • July 5, 2010
  • 12:52 AM
  • 974 views

Prozac, Ritalin, Cognitive Enhancement, and the power of a snappy title

by Evil Monkey in Neurotopia

Let it be known that Sci, like many a young, bright-eyed little scientist, tries to keep up on her reading. TRIES is the operative word, but every week Sci gets the Tables of Contents for all the major journals in her field (and all the major ones in her subdisciple) emailed straight to her for her perusal. She scans the title lists, searching for things that are cool in her field, cool to blog, or that might indicate a scoopage of her work (hey, it happens).

And it was in one of these peru........ Read more »

  • July 5, 2010
  • 12:34 AM
  • 725 views

Prozac, Ritalin, Cognitive Enhancement, and the power of a snappy title

by Scicurious in Neurotic Physiology

Let it be known that Sci, like many a young, bright-eyed little scientist, tries to keep up on her reading. TRIES is the operative word, but every week Sci gets the Tables of Contents for all the major journals in her field (and all the major ones in her subdisciple) emailed straight to her for [...]... Read more »

  • July 4, 2010
  • 11:49 AM
  • 703 views

Standardization cause of poor reproducibility?

by Henkjan Honing in Music Matters

In the last few years Web-based experiments have become an attractive alternative to lab-based experiments. Next to the advantages of versatility and the ecological validity of the results, Web-based experiments can potentially reach a much larger, more varied and intrinsically motivated participant pool. Especially in the domain of music perception and cognition it is important to probe a wide variety of participants, with different levels of training and cultural backgrounds.Nevertheless, to ........ Read more »

Honing, H., & Reips, U.-D. (2008) Web-based versus lab-based studies: a response to Kendall (2008). Empirical Musicology Review, 3(2), 73-77. info:/

  • July 4, 2010
  • 09:00 AM
  • 1,633 views

Louis Agassiz and a brief history of early United States marine biology

by WhySharksMatter in Southern Fried Science




Happy birthday, America, and happy Fourth of July to all of our readers! Today marks the 234th anniversary of the signing of the Declaration of Independence, and many in the media are spending the day talking about life in the early United States. I’d like to take this opportunity to discuss an aspect of early [...]... Read more »

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