Formula for fear: Gonzaga University senior Ariam TecleMariam, a biochemistry major, places her carved pumpkin outside of Hughes Hall on Friday. Ann-Scott Ettinger, the lab coordinator, planned the fourth annual biology and chemistry department Halloween party, where students were allowed to create jack-o’-lanterns. TecleMariam’s work displays a fake atom structure that reads “Scary.” See listings of upcoming Halloween events on Page B3. (Dan Pelle)
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