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American and Chinese scientists have designed a diatom-like nanostructure that is inspired by the tiny, unicellular creature with multiple range of forms and producing close to a quarter of the oxygen on Earth.

Amid the cases in the US, the CDC said last week that it had sent 200 test kits to laboratories across the US and roughly 200 more to labs in more than 30 other countries — but the kits were faulty.

Ambassador Ettore Francesco Sequi said in his speech that Italy attaches great importance to tourism cooperation with China, especially in recent years as the two countries have worked together frequently.

Amazon’s cloud computing business continues to rake in substantial amounts of cash.

Among the many areas in which the two leaders reached important consensus, one is to facilitate the healthy development of two-way trade and investment, which has increased rapidly in recent years.