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Between January and June this year, the revenue of China's pension, unemployment and occupational injury funds totaled 2.65 trillion yuan, up 19 percent year-on-year, while the total expenses stood at 2.15 trillion yuan, up 18 percent.

Between 2012 and 2016, researchers in Beijing increased their contribution to papers in the Nature Index by 43 percent, and Shanghai's contribution increased by 22 percent. These trends supported a national growth of 45 percent for the same period, says the article.

Best pop vocal album: Divide, Ed Sheeran.

Biden vowed that on the first day of his presidency he would implement a national COVID-19 plan and mandate mask wearing, things that he said should have been done from the very beginning.

Besides, a laser photonics show was hosted during the same period to showcase latest breakthroughs in laser-powered manufacturing.