Sally Warring, a biologist, isn’t afraid of getting her hands wet. She collects water samples from New York’s murkiest waters and examines the colorful life within them.

With just an iPhone and a microscope, Warring explores the impossibly vast and incredibly tiny world of single-celled organisms, filling her feed with algae, cyanobacteria, diatoms, and other examples of what she calls “urban phycology.”


Melbourne, Australia

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