Researchers at the School of Medicine have found that in five states that decriminalized marijuana, there was no corresponding rise in the drug’s use among young people. In addition, marijuana-related arrests declined significantly.

A team at Washington University in St. Louis has created a bacteria that uses photosynthesis to create oxygen during the day, and at night, uses nitrogen to create chlorophyll for photosynthesis. This development could lead to plants that do the same, eliminating the use of some — or possibly all — man-made fertilizer, which has a high environmental cost.

New School of Medicine research indicates an investigational therapy for an inherited form of ALS extends survival and reverses signs of neuromuscular damage in mice and rats.

Andrew D. Martin, dean of the College of Literature, Science, and the Arts at the University of Michigan, has been appointed 15th chancellor of Washington University in St. Louis, effective June 1, 2019, according to Craig D. Schnuck, chair of the university’s Board of Trustees.

Projected demand for physician-scientists exceeds the expected supply, studies indicate. Melvin Blanchard, MD, director of the Division of Medical Education, led a multi-institution project to develop recommendations to improve U.S. training programs.

By activating a small subset of the neurons involved in setting daily rhythms, biologist Erik Herzog in Arts & Sciences has unlocked a cure for jet lag in mice, as reported in a July 12 advance online publication of Neuron.

Nicole Hudson, deputy mayor for racial equity and priority initiatives for the City of St. Louis, has been appointed assistant vice chancellor for the newly created Academy for Diversity and Inclusion at Washington University, effective Aug. 27.

The Gateway Festival Orchestra will perform music of Jean Sibelius, Launy Grøndahl and Edvard Grieg at 7:30 p.m. Sunday, July 15, as part of its 2018 season of free summer concerts. Also on the program will be music from “Mamma Mia,” based on songs by the pop group ABBA. The concert series will continue July 22 and 29.

A multidisciplinary team from Washington University in St. Louis and the Air Force Research Laboratory at Wright-Patterson Air Force Base has developed a high-tech fix that brings some medical diagnostic tests out of the dark and into the light.

Researchers at the School of Medicine have found that inhibiting a receptor on immune cells called macrophages may help relieve pain in some patients, particularly those with chronic neuropathic pain, such as those with conditions like diabetic neuropathy.