Contact: Phil Sneiderman
prs@jhu.edu
443-287-9960
Johns Hopkins University
Caption: Johns Hopkins environmental engineering graduate students Mike Martin, left, and Marcelo Chamecki, at the 18-acre ragweed field where they are studying how the allergy-provoking plant grows, reproduces and scatters its irritating pollen.
Credit: Will Kirk/JHU
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Related news release: Ragweed research is nothing to sneeze at