TED Talksのインスタグラム(ted) - 7月3日 08時51分

This is a photo of blue ghost fireflies hovering above the forest floor in the Smoky Mountains. Originally, fireflies used their light to ward off predators, then evolved to attract mates with flashes of light too. Biologist Sara Lewis has spent the past 20 years studying the magic and wonder of fireflies. Learn more fascinating facts about them in her #TEDTalk at on.ted.com/firefly
Photo by @spencerkblack

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