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University of Washington paleontologists have discovered a benign tumor made up of miniature, tooth-like structures embedded in the jaw of an extinct ‘mammal-like’ gorgonopsian. Known as a compound odontoma, this type of tumor is common to mammals today. But this animal lived 255 million years ago, before mammals even existed.

Water conducts electricity, but the process by which this familiar fluid passes along positive charges has puzzled scientists for decades. But in a paper published in the Dec. 2 in issue of the journal Science, an international team of researchers has finally caught water in the act — showing how water molecules pass along excess charges and, in the process, conduct electricity.

In a paper published Sept. 27 in the journal Small, scientists at the University of Washington describe a new system to encase chemotherapy drugs within tiny, synthetic “nanocarrier” packages, which could be injected into patients and disassembled at the tumor site to release their toxic cargo.

The 2016 Open Doors Report on International Educational Exchange names the University of Washington a leader in global student engagement. The report was released Monday by the Institute for International Education. Global engagement is integral to the UW student experience, also known as the Husky Experience. UW graduates leave with a global perspective, the ability to navigate and thrive within diverse communities and workplaces, and an appreciation for the value of diversity. Ranked 20th in the nation among institutions awarding…

More than 90 percent of ivory in large, seized shipments came from elephants that died less than three years before, according to a new study from a team of scientists at the University of Utah, the University of Washington and partner institutions. They combined a new approach to radiocarbon dating of ivory samples with genetic analysis tools developed by UW biology professor Sam Wasser.

Alcohol abuse is pervasive in the military, where a culture of heavy drinking and the stress of deployment lead many soldiers down a troubled path. Almost half of active-duty military members in the United States — 47 percent — were binge-drinkers in 2008, up from 35 percent a decade earlier. Rates of heavy drinking also rose during that period, according to a 2012 report by the Institute of Medicine. But many in the military avoid seeking help for alcohol abuse,…

A University of Washington study is the first to broadly examine the ecological and financial impacts of seafood mislabeling. The paper, published online Nov. 2 in Conservation Letters, finds that in most cases, mislabeling actually leads people to eat more sustainably, because the substituted fish is often more plentiful and of a better conservation status than the fish on the label.

For the first time in humans, UW Center for Sensorimotor Neural Engineering (CSNE) researchers have used direct stimulation of the human brain surface to provide basic sensory feedback through artificial electrical signals, enabling patients to control movement while opening and closing their hand.

The University of Washington maintained its No. 11 spot in the 2017 edition of U.S. News & World Report’s Best Global Universities rankings. The UW remains the third-ranked public university on the global list, behind University of California, Berkeley (fourth) and UCLA (10th). “This recognition reflects the work of our faculty and students in seeking answers to problems of global import in the areas of health and medicine, physical sciences and social sciences,” UW President Ana Mari Cauce said. “We…

The University of Washington’s Population Health Initiative, which aims to bring together the research and resources of the UW and partners around the Puget Sound and beyond to improve the health and well-being of people around the world, has received a significant vote of support from the Bill & Melinda Gates Foundation, the university announced Tuesday. In May, the UW launched an initiative to develop a 25-year vision to improve population health locally and globally by focusing on three key…

Women’s relative lack of participation in science, technology, engineering and math is well documented, but why women are more represented in some STEM areas than others is less clear. A new University of Washington study is among the first to address that question by comparing gender disparities across STEM fields. Published Oct. 12 in the journal Psychological Bulletin, the paper identifies three main factors driving the disparity — and the most powerful one, the researchers conclude, is a “masculine culture”…