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Scientists hope they will one day care for the elderly. They already deal cards, operate as hotel receptionists are help train dental students.

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Nadine is a new brand of human-like robot that reacts to the presence of people. She has brown hair, soft skin and an expressive face.Edgar Su/Reuters

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A humanoid robot makes a facial expression depicting "fear", next to the word "Bomb" at Kawasaki’s Meiji University's.Yuriko Nakao/Reuters

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Robot Kanae is pictured at a welcome desk at the International Tourism Fair ITB in Berlin.Tobias Schwarz/AFP / Getty Images

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A Tokyo dentist operates on a humanoid dental patient robot at Showa University.Koichi Kamoshida/Getty Images

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A woman walks by a Japanese-made robot receptionist named Ms. Saya at Israel’s Ben-Gurion University of the Negev.Gil Cohen Magen/Reuters

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Peter Harmsen Jerry Lin, professor at the National Taiwan University of Science and Technology, adjusts his robots in Taipei.Sam Yeh/AFP / Getty Images

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A humanoid robot stands at the reception desk of Henn na Hotel in Sasebo, Nagasaki Prefecture, Japan.Akio Kon/Bloomberg

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Min, a prototype human-like electronic croupier, deals a card at Paradise Entertainment Ltd. in Macau, China.David Paul Morris

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Brampton, Ontario inventor Le Trung created his android Aiko which can feel pressure, speak and recognize faces among other things.Fred Lum/The Globe and Mail

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A customer takes a photograph of a humanoid robot developed by Toshiba Corp. inside a Tokyo department store.Akio Kon/Bloomberg

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