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US Botanic Garden Exposes Secret Life of Roots

A new exhibit at the U.S. Botanic Garden here puts a spotlight on the parts of plants typically hidden underground and out of sight. Megan Freier, visiting from Kansas City, Missouri, wasn’t expecting much from "Exposed: The Secret Life of Roots." "I was kind of like, oh, an exhibit on roots. How boring can this be?" she said, chuckling. "And then you walk in and, just, wow!" Suspended at eye level are roots of dozens of native perennial grasses from...

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