The space between us

Jacqueline Reu
Arts & Sciences biologists from the lab of Jonathan Myers determined that tree beta diversity — a measure of site-to-site variation in the composition of species present within a given area — matters more for the ecosystem than other components of biodiversity at larger scales.

Long COVID poses risks to vaccinated people, too

Vaccinated people with mild breakthrough COVID-19 infections can experience debilitating, lingering symptoms that affect the heart, brain, lungs and other parts of the body, according to researchers at Washington University School of Medicine and the Veterans Affairs St. Louis Health Care System.