Washington People: Marcus Raichle

Marcus Raichle
Marcus Raichle, MD, is a central figure in the history and science of brain imaging. He is noted for developing positron emission tomography (PET) techniques, explaining principles underlying functional magnetic resonance imaging (fMRI) and capturing some of the first snapshots of the brain at work.

Time travel with bat guano

Parnell's mustached bat
A favorite Halloween symbol leaves behind clues to what a tropical landscape looked like thousands of years ago. With support from the Living Earth Collaborative, postdoctoral scholar Rachel Reid of Arts & Sciences digs in.

Take part in university conversation on Clayton incident

Washington University faculty, staff and students are invited to take part in a universitywide conversation Thursday, Oct. 11, about the incident in July when some incoming first-year students were stopped by Clayton police officers after leaving a restaurant.