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Scientists Go To Extremes to Save Food Crops’ Wild Relatives

A flash of yellow catches Heather-Rose Kates’ eye as she drives the highway running through California’s Mojave Desert. She’s scanning the roadsides for a plant that may help secure the future of some of the world’s favorite vegetables. “They’re yellow and they’re bigger than tennis balls,” she said, eyeing the highway shoulders. “So they’re kind-of easy to spot.” Easy if, like Kates, you’ve been driving desert highways for nearly two weeks. To a newcomer, it’s all a stark, beautiful...

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