01/30/26

Stressed About The World? Take A Cue From Cyanobacteria

Two green tube-like filaments intertwine in a figure-eight-like pattern against an aqua green background.
Intertwined filaments of Arthrospira, a blue-green alga (cyanobacterium), as seen under a microscope. Credit: Shutterstock

Cyanobacteria may be the ultimate lesson in resilience. These 3.5 billion-year-old organisms have lived through hell-on-earth conditions, and have found creative ways to persevere. While the state of the world feels out of control, Host Flora Lichtman talks to molecular microbiologist Devaki Bhaya about the planet’s ultimate survivalists. 


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Segment Guests

Devaki Bhaya

Dr. Devaki Bhaya is a molecular microbiologist at Carnegie Science in Stanford, California. 

Segment Transcript

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Meet the Producers and Host

About Flora Lichtman

Flora Lichtman is a host of Science Friday. In a previous life, she lived on a research ship where apertivi were served on the top deck, hoisted there via pulley by the ship’s chef.

About Kathleen Davis

Kathleen Davis is a producer and fill-in host at Science Friday, which means she spends her weeks researching, writing, editing, and sometimes talking into a microphone. She’s always eager to talk about freshwater lakes and Coney Island diners.

About Rasha Aridi

Rasha Aridi is a producer for Science Friday and the inaugural Outrider/Burroughs Wellcome Fund Fellow. She loves stories about weird critters, science adventures, and the intersection of science and history.

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