One giant leap for lettuce.

Intrepid farmers are already growing veggies in surprising places, including rooftops, warehouses, and even on highway billboards. But now leafy greens have gone where no greens have gone before: outer space.

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One giant leap for lettuce.

Intrepid farmers are already growing veggies in surprising places, including rooftops, warehouses, and even on highway billboards. But now leafy greens have gone where no greens have gone before: outer space.

Read Full Story