Minnesota Public Radio slideshow:
Frog researcher invited to tell his story
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Researcher Tyrone Hayes was invited to present his findings to a state Senate committee, after he was "uninvited" as a speaker at an upcoming MPCA conference. Hayes claims he was removed from the speaker's list because his research is critical of atrazine. (MPR Photo/Mary Losure)

Researcher Tyrone Hayes was invited to present his findings to a state Senate committee, after he was "uninvited" as a speaker at an upcoming MPCA conference. Hayes claims he was removed from the speaker's list because his research is critical of atrazine.

(MPR Photo/Mary Losure)
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