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

  • 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

  • Shmeat and Potatoes: The dinner of the future?

    …ved alongside a heaping side of mashed potatoes.  Now that’s some pretty cool kitchen science. And now, an oldie but a goodie (let it be known that I am in love with Stephen Colbert): The Colbert Report Mon – Thurs 11:30pm / 10:30c World of Nahlej – Shmeat www.colbertnation.com Colbert Report Full Episodes Political Humor & Satire Blog Video Archive For more information: The Brian Lehrer Show, Shmeat: I…

    Authored by on July 20, 2012

  • The real scandal: science denialism at Susan G. Komen for the Cure®

    …ween the two extremes. These are the ones most likely to be helped by screening mammography, and they’re the lives that mammography saves. How many? For women age 50 to 70, routine screening mammography decreases mortality by 15 to 20% (numbers are lower for younger women). One thousand women in their 50′s have to be screened for 10 years for a single life to be saved. So let’s recap. Getting “screened now,” as the Komen ad instructs can lead to…

    Authored by on February 11, 2012

  • Leah Gerber, conservation biologist and lover of sushi

    …hesis  (NCEAS) and developed approaches for marine reserve design and endangered species recovery.  I was at NCEAS for three years before starting on the tenure track at Arizona State University .  I’ve been at ASU for about 10 years now.    A major theme in my work has remained constant – that is, how to use the information we are generating in the natural and social sciences to better manage our natural world.  Pre-tenure I focused a lot mo…

    Authored by on September 17, 2012

  • 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

  • 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

  • Knowing when you need a therapist

    …7;s notes: If you find yourself contemplating suicide or know that a loved one is doing so and without help at hand, the following resources might, quite literally, be a lifesaver: National Suicide Prevention Lifeline (US): 1-800-273-TALK (8255) For the deaf or hearing impaired: TTY by dialing 800-799-4889 or click here to chat with a counselor Materials and resources, including hotlines, state by state Coping with suicidal thoughts Developing…

    Authored by on April 12, 2013

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