Making the most of a mild winter day, UMSL freshman Jacob Beers tosses a flying disc with fellow students on a North Campus lawn.

Making the most of a mild winter day, UMSL freshman Jacob Beers tosses a flying disc with fellow students on a North Campus lawn.
Making the most of a mild winter day, UMSL freshman Jacob Beers tosses a flying disc with fellow students on a North Campus lawn.
Making the most of a mild winter day, UMSL freshman Jacob Beers tosses a flying disc with fellow students on a North Campus lawn.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.