Pepper humanoids from Japan’s Softbank: robots are likely to aid rather than replace healthcare professionals. Photograph: Yoshikazu Tsuno/AFP/Getty

Green-eyed, diminutive and chatty, Pepper takes a break from his tireless singing and dancing: “You guys seem to be foreigners – where are you from?” (...)

Across much of Fukushima’s rolling green countryside they descend on homes like antibodies around a virus, men wielding low-tech tools against a very (...)

 The No 3 reactor building at Tokyo Electric Power Co (Tepco)’s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture last month.  Photograph: Kyodo/Reuters

Japanese researchers say the cost of cleaning up from the Fukushima nuclear disaster could top $50 billion (€37.7 billion), four times the amount esti(...)