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Beijing has the most stringent controls over vehicle purchases, for both petrol and new energy vehicles.

Before she started working for OPPO, she thought it was a South Korean company because it employed so many K-pop stars in advertising and endorsement campaigns.

Beijing will further reduce the number of new car plates available to buyers and encourage the use of new energy vehicles in the next three years in a bid to reduce traffic gridlock and ease air pollution, authorities announced on Friday.

Beijing, with over 70 percent of buses having separate driver's cabins, has promised to replace old buses that do not have safety partitions with new ones having such devices step by step.

Before a sperm cell matures, the histones in genomic DNA must transform into another form automatically, so that the genetic materials from the male are stored in the sperm head in a safer and more condensed way, explained Liu Mofang, the lead researcher on the team at the Institute of Biochemistry and Cell Biology, a branch of the Chinese Academy of Sciences' Shanghai Institutes for Biological Sciences.