Behold the humble water flea, locked in a battle of mythological proportions

Hercules Slaying the Hydra
Biologist Rachel Penczykowski in Arts & Sciences sizes up an unlikely natural phenomenon: when parasitism actually causes the number of hosts to increase, an effect known as a hydra effect. Her study of common water fleas and their fungal parasites includes laboratory components and an analysis of 13 fungal epidemics in nature.

Mamah receives mental health award

Daniel Mamah
Daniel Mamah, MD, associate professor of psychiatry at Washington University School of Medicine, has received the 2021 Dr. John M. Anderson Excellence in Mental Health Award from the St. Louis County Children’s Service Fund, in partnership with The St. Louis American Foundation.

Gordon receives Balzan Prize

Jeffrey I. Gordon, MD, at Washington University School of Medicine, is a recipient of this year’s Balzan Prize for his role in founding the field of human gut microbiome research and revolutionizing the understanding of gut microbes and their roles in human health and disease.