Biologists have studied a plant with shimmering, iridescent blue leaves (Begonia pavonina) living in the unending dimness of the Malaysian rain-forest floor. They found the plant's cobalt-blue leaves use a quirk of quantum mechanics to slow light and squeeze out more photosynthesis in near-darkness.

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Biologists have studied a plant with shimmering, iridescent blue leaves (Begonia pavonina) living in the unending dimness of the Malaysian rain-forest floor. They found the plant's cobalt-blue leaves use a quirk of quantum mechanics to slow light and squeeze out more photosynthesis in near-darkness.