Medical research

Studies shed light on mechanisms of corneal renewal and morbidity

Can stem cells be identified and monitored in mature tissue? How do our organs cope with both the need for frequent renewal of tissue cells and the need to protect stem cell health in tissue that is exposed to environmental ...

Diseases, Conditions, Syndromes

Meatpacking plants increased COVID-19 cases in US counties

An estimated 334,000 COVID-19 cases are attributable to meatpacking plants, resulting in $11.2 billion in economic damage, according to a new study led by a researcher at the University of California, Davis. The study was ...

Neuroscience

Mapping a life's worth of changes in a mysterious brain structure

Until recently, scientists didn't know much about perivascular spaces (PVS), fluid-filled regions in the brain involved in clearing waste and toxins—mainly because it's tough to get a clear look at them using neuroimaging. ...

Medical research

NIH launches $500 million contest to produce best COVID-19 test

(HealthDay)—A competition between researchers is part of a $1.5 billion program that seeks to speed development of accurate, quick, and easy-to-use COVID-19 tests, the U.S. National Institutes of Health (NIH) announced ...

Neuroscience

Neural-digital interface advances raise ethical and social issues

Human-machine interfaces raise important ethical and social issues. These technological innovations have the potential to restore, alter, or enhance cognitive or physical function in humans, but also may exacerbate existing ...

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