Professor Hilary Callahan recently traveled 4,000 miles away to the Alaskan tundra to find out what keeps plants flowering and fruiting in harsh conditions. Visit the link in our bio to learn more about chemistry major Frances Cohen ’25, environmental science major Amelia Harris ’25, and Callahan's research into plant reproductive ecology in our latest edition of Break This Down. (📸 : Kevin Griffin, PI of Columbia's Long-Term Ecological Research program, with Hilary Callahan. Photo courtesy of Callahan.) #BreakThisDown #PlanetForward #PlanetForwardBarnard #PlanetForwardwithBarnard