In honor of Arbor Day on Friday, April 27, Washington University in St. Louis is celebrating its four allées — tree-lined paths that shade walkways, clean our air and make walking on campus one of the great joys of working and studying at the university. 

Washington University in St. Louis announced pricing for those interested in purchasing parking permits for the 2018-19 academic year as well as updates to two alternative transportation offerings, the Bearly Drivers Carpool and the Occasional Parking Program.

An investigational drug in clinical trials for rheumatoid arthritis prevents a common, life-threatening side effect of stem cell transplants, finds new School of Medicine research. Studying mice, the researchers found the drug prevented what’s known as graft-versus-host disease.

Heather Woofter has been selected as the inaugural Sam and Marilyn Fox Professor in the Sam Fox School of Design & Visual Arts at Washington University in St. Louis. An installation ceremony will take place next fall. Woofter, co-director of the St. Louis-based firm Axi:Ome llc, was appointed director of the Sam Fox School’s College of Architecture and Graduate School of Architecture & Urban Design in 2017. She has been a member of the architecture faculty since 2004.

How Peter Delaney, who will graduate from Washington University with a degree in global health and the environment in Arts & Sciences, turned a passion for innovation and medicine into an emergency medical system for an African community. And that’s just some of what he did as a student here.

Washington University in St. Louis sociocultural anthropologist John R. Bowen and David H. Perlmutter, MD, dean of the School of Medicine, join the likes of President Barack Obama, actor Tom Hanks and Supreme Court Justice Sonia M. Sotomayor as newly elected members of the American Academy of Arts and Sciences.

Michael Wysession, professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, has been appointed executive director of the university’s Teaching Center, effective July 1.

Mark Rank, the Herbert S. Hadley Professor of Social Welfare at the Brown School, has developed a calculator that can determine for the first time an American’s expected risk of poverty based on their race, education level, gender, marital status and age. Here’s a video that explains how.

An interdisciplinary team of researchers from the School of Medicine and the School of Engineering & Applied Science is redefining the notion of a wisdom tooth. The team is developing technology that could someday be used to detect early signs of certain diseases in high-risk patients.

A compound derived from immune cells treats psoriasis in mice and holds promise for other autoimmune diseases, according to a new study from the School of Medicine.