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Petri Dish Paintings by Klari Reis

Hunter Cole - Artist and Geneticist

Cole grows the bacteria in a liquid culture, and then uses the culture as her paint, applying it to a gelatinous augur in a petri dish, as if the augur were a canvas. When applied, the culture is clear, but over a 24 hour period it slowly begins to glow, becoming more visible. For the two weeks following the culture’s application, as the bacteria grows and dies, the drawing changes.

Today’s Google doodle is composed of interactive petri dishes in celebration of Julius Petri’s 161st birthday!