In this Q&A series, UMSL Daily connects with subject-matter experts from across the university on newsworthy topics.

In this Q&A series, UMSL Daily connects with subject-matter experts from across the university on newsworthy topics.
In this Q&A series, UMSL Daily connects with subject-matter experts from across the university on newsworthy topics.
In this Q&A series, UMSL Daily connects with subject-matter experts from across the university on newsworthy topics.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.