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

    …e X Extra: A triglyceride can have up to three different fatty acids attached to it. Canola oil, for example, consists primarily of oleic acid, linoleic acid, and linolenic acid, all of which are unsaturated fatty acids with 18 carbons in their chains. Why do we take in fat anyway? Fat is a necessary nutrient for everything from our nervous systems to our circulatory health. It also, under appropriate conditions, is an excellent way to store up…

    Authored by on June 8, 2012

  • Double Xpression: Meghan Groome

    …to learn when it’s appropriate to pull out my soap box and go full-out social justice to them. This is changing, but for a long time I kept my personality under wraps in a professional setting. It’s only now — with 10 years professional experience, great organizations on my resume, and a PhD — that I can be clever, confront those I disagree with, and even smile. Anyone who’s ever had a beer with me knows that I’m a goofball and w…

    Authored by on February 6, 2012

  • After Newtown missteps, journalists get guidelines

    Protip: Don’t diagnose based on speculation. by Jessica Wright                Attention journalists: If you’ve been calling people “nuts” or “deranged” in your stories, the Associated Press is recommending that it’s time you stopped. This guideline — along with the common-sense assertion that writers shouldn’t diagnose individuals with a mental illness based entirely on speculation — is part of a new recommendation added to the AP styleboo…

    Authored by on March 27, 2013

  • Double Xpression: Karyn Traphagen, co-founder of ScienceOnline

    …llenbosch (South Africa). She has trained physics teachers through the University of Virginia’s Physics department and traveled to South Sudan to conduct professional development training for local teachers. She has more than 10 years of experience developing and teaching online courses. In addition to her science work, Karyn maintains a freelance graphic design studio. Her latest project was a work on Ancient Near Eastern royal inscriptions….

    Authored by on July 9, 2012

  • Crystallographers of merit

    …rge molecules, many of which were biologically relevant. Order of Merit medal of Dorothy Hodgkin, displayed in the Royal Society, London, 20 April 2004. Dorothy Crowfoot Hodgkin was a Chemistry Nobel Laureate.  (1910 – 1994) While her father was in Cairo, Egypt on an archaeological dig for the British government, Dorothy Crowfoot was born. Accompanying her parents on their work trips sparked her interest in archaeology, but she also develo…

    Authored by on March 7, 2013

  • Don’t worry so much about being the right type of science role model

    …dent  Sara Callori wrote  about it and shared that it made her worry about her own efforts to be a good role model. Betz and Sekaquaptewa worked with two groups of middle school girls. With the first group (144 girls, mostly 11 and 12 years old) they first asked the girls for their three favourite school subjects and categorized any who said science or math as STEM-identified (STEM: Science, Technology, Engineering and Math). All of the girls th…

    Authored by on May 30, 2012

  • Giving girls…and science…their due

    …o an all-girls, STEM-focused school to talk to the sixth, seventh, and eighth graders about what I do. Susan D’Auria, the teacher who invited me, is an English major turned math teacher who has been teaching at the school for 10 years and oversaw its transformation into a STEM-focused institution. When you meet Susan, it’s immediately obvious that she is committed to her task of getting the girls excited about STEM: Her classroom is cluttered wit…

    Authored by on February 27, 2013

  • Depressing genes

    …ch experience — yet it was obvious he didn’t have the knack for it. This student’s dogged pursuit of a mental health career made me wonder what kind of emotional turmoil he experienced which would make him think, at age 19, that psychiatry was the only vocation worth working towards. Then there were the two graduate students who both worked incredibly hard and were both prone to obsess about their experiments. Each burned off stress in quit…

    Authored by on May 17, 2013

  • Autism and the DSM-5

    …questions in the context of these criteria. I’ve expanded on a couple of these reports at length elsewhere, as have others with an interest in the subject. The short version is that studies overall indicate that at the least, 10% of people who would currently have an autism diagnosis under the DSM-IV-TR criteria would lose that diagnosis under the DSM-5, and some studies go as high as 55% in their estimates. Even more troubling? The committee’s s…

    Authored by on April 23, 2013

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

    …nt 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 used with mammography. Approval of a device of this nat…

    Authored by on September 21, 2012

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