Double X Science - It's In Your Genes

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  • The Only Mother’s Day Gift Guide You Will Ever Need

    …embedded a little science here and there in the links. ) While the celebration of mothers is not a new concept, the modern version of Mother’s Day is a far cry from the ancient festivals that honored Cybele .  However, in 1907, when Anna Jarvis invented the modern Mother’s Day as a means to pay homage to her own mother, it was not her intention to use moms for profit. But, alas, by the 1920s, this well-intended national holiday quickly mo…

    Authored by on May 9, 2012

  • Book Review: Science Myths Unmasked: Exposing the misconceptions and counterfeits forged by bad science books

    …s to understand science.  Rudel argues that these shortcuts, which are often associated with an “abuse of [scientific] language,” only confuse students. In fact, included on the back cover of Science Myths Unmasked, Volume 2: Physical Sciences is a quote from Richard Feynman regarding science textbooks: “They said things that were useless, mixed-up, ambiguous, confusing, and partially incorrect. How anybody can learn science from these books,…

    Authored by on March 2, 2012

  • 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

  • About that pacifier study…

    …moms gave birth vaginally. There was still a lower risk of eczema among the pacifier-sucking parents’ kids, but there also was a lower risk of eczema among those born vaginally, regardless of pacifier cleaning methods: 20% of the kids born vaginally whose parents cleaned pacifiers with their mouths had eczema 31% of the kids who were born vaginally or had mouth-cleaned pacifiers had eczema 54% of the kids born by C section whose parents ne…

    Authored by on May 8, 2013

  • 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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