Sara Lewis

Firefly specialist
Evolutionary ecologist Sara Lewis digs deep into firefly mating rituals to uncover a world of secret languages and strange gifts in these silent sparks.

Why you should listen

Before Sara Lewis lifted the lid on the unexplored lives of fireflies, much of the sexual intrigue behind their flashing displays was a mystery. Although initially focused on sea creatures, Lewis became hooked on these enigmatic insects, realizing that when it came to firefly mating habits, "we had no idea what went on once the lights went out," as she told the New York Times.

Her fascination has led Lewis, a professor at Tufts University, to pursue field and laboratory studies of fireflies around the world. In the course of her groundbreaking research, she’s illuminated many surprising twists of firefly behavior: including elaborate flash dances, predatory eavesdropping and deceit, and “wedding gift” delivery services (video).

What others say

“Sara Lewis is fluent in firefly.” — New York Times, July 29, 2009

Sara Lewis’ TED talks

Sara Lewis on the TED Blog

Live from TED2014

Lighting up the world of fireflies: Sara Lewis at TED2014

March 20, 2014

Sara Lewis has managed to put herself in the center of a world of wonder by becoming a world expert on fireflies. Her obsession began in grad school, sitting in a backyard in North Carolina and watching the sparks light up around her. She wondered, “How do these creatures make light? Are they talking to each […]

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Live from TED2014

Signals: The speakers in session 9 of TED2014

March 20, 2014

Communication is fundamental to how we relate and interact. But we receive signals from everywhere — other living creatures, the ecosystem, the earth itself, and the space beyond. In this session six speakers will explore how we send, and more importantly receive, those signals. Here are the speakers who appeared in this session. Click below […]

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