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Citing the Greek port of Piraeus as an example, Turk said the project has become a vital point in the European system of infrastructure, adding that the potential does not stop there.

Cities such as Guangzhou, Beijing, Shanghai and Shenzhen score quite low on the “belonging” index, with the four cities ranked 26, 31, 32 and 36 on the list, respectively.

Chinese scientists have folded DNA molecules in an origami-like process to make a nano "Trojan horse", which is thinner than 1/4000 of a hair and can release "killers" to fight cancer tumors.

Clearly these companies are focusing on their core strengths by offering developers ways to build blockchain apps using their existing cloud platforms and services. But the core blockchain infrastructure is still evolving. Ethereum is in the process of switching from a Proof of Work consensus mechanism to a Proof of Work and Proof of Stake hybrid consensus mechanism. This past year, the Bitcoin blockchain went through a hard fork to create Bitcoin Cash, which has an increased block size with the goal of speeding up transactions. These are just two examples of the changing blockchain infrastructure and I believe that there will be new blockchains that can form the basis for enterprise blockchain applications.

Chinese tech giant Didi Chuxing announced on Saturday to open its self-driving ride-hailing services to passengers in parts of Shanghai, as it steps up efforts to commercialize the technology.