For decades, humans have modeled technology on observations of the natural world. But new discoveries about nature—and tools for manipulating it—have opened up novel approaches potentially more powerful than mere imitation to solving Human Age problems. Spinach that can detect explosives Engineers have discovered how to transform spinach plants into environmental sensors that can alert us to the presence of explosives. The development is one in the nascent field of “cyborg botany,” a merging of nature and technology that draws upon plants’ remarkable sensory capabilities in order to drive robots, provide environmental data, and more. In 2016, chemical engineer Min Hao…

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