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As of 2017, the number of people aged 80 and above had totaled 26 million in China, accounting for 1.8 percent of the country's total population. The proportion may rise to 2 percent in 2025 but rocket to 8 percent in 2050, the report said, citing a United Nations publication titled "World Population Prospects: The 2017 Revision."

As one of the four major global satellite navigation systems recognized by the United Nations, Beidou has been constantly deepening its compatibility, interoperability and cooperation with the United States' GPS, Russia's GLONASS and the EU's Galileo. It has also entered international organizations of civil aviation, maritime affairs, search and rescue satellite, and mobile communication. Multiple international standards related to BDS have been released. So far, China has exported its basic products of the Beidou Navigation Satellite System to more than 120 countries and regions, offering services for over 100 million users.

As part of a detailed recounting of Amazon’s history, the piece calls the creation of Amazon Web Services “the greatest and most serendipitous innovation” by Bezos so far, fueled by his recognition of the broader value of the computing and storage infrastructure and APIs that Amazon had created for its own teams. Amazon went on to essentially invent the modern cloud computing market, giving itself a huge lead over subsequent entrants such as fellow tech giants Microsoft and Google.

As old and new Amazon fires prove difficult to put out despite moves by Brazilian authorities to rein them in, environmentalists worry that the potential impact of the blazes, especially on wild flora and fauna, may be harder to measure than imagined－some species may become extinct before they are even discovered.

As of June, there were 2,342 such joint programs, including 1,090 programs for undergraduates.