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Aeon is a registered charity committed to the spread of knowledge and a cosmopolitan worldview. Our mission is to create a sanctuary online for serious thinking.

No ads, no paywall, no clickbait – just thought-provoking ideas from the world’s leading thinkers, free to all. But we can’t do it without you.

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Sara Lewis
Professor of Biology, Tufts University

Sara Lewis, an evolutionary ecologist at Tufts University, is a scientist addicted to wonder. Author of numerious scientific publications, her latest book is Silent Sparks: The Wondrous World of Fireflies (2016). She lives in Lincoln, Massachusetts.

Written by Sara Lewis