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Farmers in the US face a labour shortage, so they\\u2019re turning to new technology to fill the gap. Also, meet \\u201cPepper", a robot that\\u2019s already replacing thousands of jobs around the world; a researcher from Silicon Valley finds a robot in his hotel room and discovers a potential security breach; how 3D printing could help the global housing crisis; and an instrument that sounds like it\\u2019s from outer space, but was invented on earth 100 years ago.

(Robots named \\u201cPepper\\u201d work in banks across the US. They help answer basic questions and allow customers to skip the line for a cashier. Credit: Jason Margolis/The World)