Double X Science - It's In Your Genes

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  • Biology Explainer: The big 4 building blocks of life–carbohydrates, fats, proteins, and nucleic acids

    …molecules themselves break down into a surprisingly small number of building blocks. The proteins that make up all of the living things on this planet and ensure their appropriate structure and smooth function consist of only 20 different kinds of building blocks. Nucleic acids, specifically DNA, are even more basic: only four different kinds of molecules provide the materials to build the countless different genetic codes that translate into all…

    Authored by on June 8, 2012

  • After Newtown missteps, journalists get guidelines

    …almost twice as likely to say that they don’t want to live or work near a person with mental illness if they read an article about a person with mental illness involved in a mass shooting, according to a study published March 20 in the American Journal of Psychiatry. Interestingly, this tendency is the same even if the article avoids any mention of mental illness. This may be because this link between violence and mental illness is deeply engrain…

    Authored by on March 27, 2013

  • Leah Gerber, conservation biologist and lover of sushi

    …ut a survey asking others if they faced institutional barriers, and how they might work to engage more.  DXS: What ways do you express yourself creatively that may not have a single thing to do with science? LG: I have 2 young kids, a 3yo and a 7yo.  Being a mom helps me keep it real -  I love that I get to enjoy the awe of discovering the world with my girls.  We just got a puppy this weekend and we are having fun dressing her up and pain…

    Authored by on September 17, 2012

  • Wordless Wednesday: Non-human animals that use tools

    Image in U.S. public domain. Via Wikimedia Commons. In addition to the tool-making crow in the video below, many other non-human animals make tools. See this photo series from MSNBC’s LiveScience for more. It even includes an invertebrate, although certainly not the only spineless species to use a tool….

    Authored by on December 28, 2011

  • Friday Roundup: 2011 top science lists, radium laced condoms, and the clitoris

    A Double X Science grandma showed us this picture. We thought it was the most ridiculously cute thing we’d seen all year. As 2011 draws to a close, media outlets and science bloggers have busily collated their top-10 (or 12 or 20) lists of science-related cool/interesting/freaky/fantastic stuff this year. Here’s a selection that should keep you busy for about the first half of 2012: Smithsonian’s list , including Fran…

    Authored by on December 30, 2011

  • Unicorns and Brainbows

    Brainbow is a mouse with a rainbow brain. By Jeffrey Perkel    A couple weeks ago I wrote about the beautiful world right under our noses, a world visible only under the microscope. The cover image for that post was this picture, a “‘Brainbow’ transgenic mouse hippocampus,” which placed 18th in the 2008 Nikon Small World Photomicroscopy contest. Brainbow technology also won the 2007 Olympus Bioscapes contest, with this be…

    Authored by on May 6, 2013

  • Is the bar high enough for screening breast ultrasounds for breast cancer?

    …n controversial. What’s new is the “Are You Dense?” patient movement and legislation to inform women that they have dense breasts. Merits and pitfalls of device approval The approval of breast ultrasound hinges on a study of 200 women with dense breast evaluated retrospectively at 13 sites across the United States with mammography and ultrasound. The study showed a statistically significant increase in breast cancer detection when ultrasound was…

    Authored by on September 21, 2012

  • Autism and the DSM-5

    …ial social aspect of this change, and the one thing that might, when it comes to autism, elevate the DSM-5 above the level of doorstop. [Image credit: Dave Bullock, UK, via Wikimedia Commons under Creative Commons Attribution 2.0 generic license.]…

    Authored by on April 23, 2013

  • Depressing genes

    Can depression be a matter of genetic fate? by Siobhan Mitchell          [This post is the latest installment in our I Am Mental Illness series.] What if you could know if you were fated to be depressed? With the rise of personal genotyping services such as 23andme, almost can find out what their psychiatric ‘fate’ will be, but what do you do with this information once you have it? When I first considered testing myself for depressio…

    Authored by on May 17, 2013

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