Surprising bacteria discovery links Hawaiʻi’s groundwater to the ocean
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Updates every hour. Last Updated: 3-Jan-2026 01:11 ET (3-Jan-2026 06:11 GMT/UTC)
Researchers at Rice University, UTHealth School of Dentistry, and The University of Texas M.D. Anderson Cancer Center have developed a smartphone-based imaging system, mDOC, to help dental professionals identify patients who may need referral for oral cancer evaluation. The device captures white light and autofluorescence images of the mouth and uses a machine learning algorithm to assess risk. In a study of 50 patients at community dental clinics, the system demonstrated 60 percent sensitivity and 88 percent specificity in identifying lesions requiring expert review—outperforming standard clinical exams. The technology offers a fast, low-cost tool to support early detection and timely referral in routine dental care settings.
A mysterious diffuse glow of gamma rays near the center of the Milky Way has stumped researchers for decades, as they’ve tried to discern whether the light comes from colliding particles of dark matter or quickly spinning neutron stars. Both theories are equally likely, according to new research. Maps generated by supercomputers confirm that the glow could come from dark matter.