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Aeon
KGL

Karen G Lloyd

Wrigley Professor of Earth sciences, and Marine and Environmental Biology, University of Southern California

Karen G Lloyd is a microbial biogeochemist, focused on discovering and describing life inside Earth’s crust. She is the Wrigley professor of earth sciences, and marine and environmental biology, at the University of Southern California, and the author of Intraterrestrials: Discovering the Strangest Life on Earth (2025).

Written by Karen G Lloyd