US Secretary of State John Kerry has arrived in Vienna for talks with foreign ministers about Tehran's nuclear program.
Iran and the six powers- Britain, the US, France, Germany, Russia and China- aim to reach a long-term deal to end the decade-old nuclear standoff by July 20.
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A connected microwave and wall clock, which can also be controlled using Alexa, were also announced.
A summary of the experiments was published in Current Biology.