The Creature That Might Save Us

Tubes of life (photo by Paul Greenberg)

Every few years I find myself in a room packed tight with human-size tubes of algae. The colors range from burnt sienna to electric Kool Aid-green. Quietly and humbly they do their work, converting sunlight to sugars and proteins, befuddling researchers with their multitudes, inviting we “advanced” humans to poke around and try…

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