SCIENCE IN THE NEWS WEEKLY
Biomedicine: A Senator's Illness in America, Hybrid Embryos in Britain
The announcement last week that U.S. senator Edward Kennedy has a malignant brain tumor (a glioma) prompted many media outlets to report on the treatment options and prognosis for this medical condition.
In other news, the British parliament approved research using hybrid embryos that contain human and animal material. Experts said cytoplasmic hybrids are never likely to be transplanted into sick patients, and any insights about diseases revealed through this line of research are probably years away.
Meanwhile, U.S. health officials expressed concern that narcotic painkillers and other legitimate pharmaceuticals are replacing illegal substances as the drugs of choice among drug abusers.
According to a study released at the American Urological Association's annual meeting, a "wait-and-see" approach is appropriate for men who have low-risk prostate tumors that have not spread. But many patients still opt for treatment, preferring not to take any chances.
And a Mayo Clinic study found a sharp rise after 2003 in the number of women diagnosed with breast cancer there who decided to have mastectomies rather than lumpectomies. Researchers said one possible explanation is that magnetic resonance imaging is detecting more growths than mammography.
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VIDEO: The Promise and Peril of Drones
The automation of tasks at work and at home is just around the corner, including driving cars, piloting planes, delivering packages, and transporting weapons. Unmanned aerial vehicles are rapidly evolving to meet both society’s and the military’s needs in automation and better efficiency.
During her time as one of the first female fighter pilots in the US Navy, Dr. Missy Cummings observed that computers could take off and land a plane more precisely than humans. Because of this breakthrough and her fascination with this growing technology, she began human–drone interaction research.
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