Modern Love: When Chivalry Is More Control Than Care

I messaged her on Facebook, using an idiotic subject line: “an inconvenient truth.” After a few heated exchanges, she agreed to have dinner with me. That evening I smoothed my green tweed skirt as I waited for her to arrive at the southern-style restaurant I had chosen. Perversely, I had picked this place because it…

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Montana State professor wins NSF CAREER award for biosensor diagnostics

IMAGE: Stephanie McCalla, right, in her lab with a Montana State University student on October 30, 2017. MSU photo by Kelly Gorham view more  BOZEMAN — One day, a technician in a small, rural hospital may be able to reliably diagnose breast cancer, Alzheimer’s disease or traumatic brain injury using a tab of paper that would…

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Anti-TB drugs can increase risk of TB re-infection

Current treatments for tuberculosis (TB) are very effective in controlling TB infection caused by Mycobacterium tuberculosis (Mtb). They don’t, however, always prevent reinfection. Why this happens is one of the long-standing questions in TB research. So why are our bodies unable to generate permanent immunity to TB, — the leading infectious disease killer worldwide? A…

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Like mountaineers, nerves need expert guidance to find their way

IMAGE: Left: Motor neurons (green) exit the spinal cord (red) and enter the periphery of the body to connect with muscles. Right: Motor neurons (white arrow) without the guidance of p190… view more  Credit: Salk Institute LA JOLLA—(March 22, 2019) Similar to the dozens of Sherpas that guide hikers up treacherous Himalayan mountains to reach a…

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Squishing blood stem cells could facilitate harvest for transplants

IMAGE: How deformable cells are, and thus how stiff or squishy they are, plays an important role in retaining blood-forming stem cells in their marrow niches and thus preserving their long-term… view more  Credit: From Ni et al Cell Stem Cell (2019) Scientists at Winship Cancer Institute of Emory University, Children’s Healthcare of Atlanta and Georgia…

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When neurons are out of shape, antidepressants may not work

IMAGE: These are human serotonergic neuron projections (red) and cell bodies (green). view more  Credit: Salk Institute LA JOLLA—(March 22, 2019) Selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed medication for major depressive disorder (MDD), yet scientists still do not understand why the treatment does not work in nearly thirty percent of patients with…

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4D-printed materials can be stiff as wood or soft as sponge

VIDEO: This video shows how 4D-printed smart materials can morph from stiff to soft and also change shape. view more  Credit: Chen Yang/Rutgers University-New Brunswick. Imagine smart materials that can morph from being stiff as wood to as soft as a sponge — and also change shape. Rutgers University-New Brunswick engineers have created flexible, lightweight materials…

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UTSW researchers identify new mechanism to reduce inflammation

IMAGE: Dr. Zixu Liu view more  Credit: UT Southwestern DALLAS — March 21, 2019 — UT Southwestern researchers have identified two proteins that act as gatekeepers to dampen a potentially life-threatening immune response to chronic infection. The proteins — the transcription factors SIX1 and SIX2 — activate cellular pathways required for fetal development and later switch…

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