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Mia exhibit combines algae, sci-fi

Alison Hiltner blows air into a mouthpiece to interact with algae.
Minneapolis artist Alison Hiltner blows air into a mouthpiece to interact with algae in sacks at the Minneapolis Institute of Art on Monday. Hiltner's solo exhibition, "It Is Yesterday," which explores the symbiosis between algae and humans, opens Thursday at the museum.