SCIENCE IN THE NEWS WEEKLY
Fewer Bacteria Found in Women's Offices
Men's offices have 10 to 20 percent more bacteria than women's offices, and offices in New York City house more bacteria than those in San Francisco. These are among the findings of a new study that looked at bacteria in more than 90 offices in three cities--San Francisco, New York and Tucson--on chairs, desktops, phones, computer mice and keyboards.
In other biomedical news, a technique for "washing" lungs before they are transplanted could increase the number of organs suitable for donation, according to medical researchers. A trial led by Newcastle University in England is trying to improve the quality of lungs by pumping nutrients and oxygen through them.
An overabundance of connective tissue devastates organs such as the liver, heart, and lungs. A new study suggests that fragments of a promising cancer drug can rein in fibrosis, which is currently untreatable.
Clinical trials for breast cancer drugs are focused on shrinking existing tumors, not preventing cancer spread. According to the National Cancer Institute, this emphasis is stifling the discovery of chemicals that could prevent metastasis--costing money and patient lives.
A federal task force cautioned last week that women who are past menopause and healthy should not take hormone replacement therapy in hopes of warding off dementia, bone fractures or heart disease.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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