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TED talk by Jill Farrant: How to grow crops without water

As the world's population grows and the effects of climate change come into sharp relief, we'll have to feed more people using less arable land. Molecular biologist Jill Farrant studies a rare phenomenon that may help: "resurrection plants" — super-resilient plants that seemingly come back from the dead. Could they hold promise for growing food in our future hotter, drier world? Click here to watch the TED talk.