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Blockchain technology - using encrypted data and records to track transactions - has been helping Chinese government and medical agencies in the battle against the novel coronavirus without compromising privacy.
Biotech company BGI has set up coronavirus testing laboratories in 12 Chinese cities, with the ability to test 70,000 people per day.
Bob Ross, president of the Association of Professional Flight Attendants union, which represents American Airlines workers, said in a statement that tight schedules, overcrowded planes, shrinking seats and limited overhead bin space have made it difficult for flight attendants to board passengers.
Bororo adults dress up to celebrate a traditional festival. [Photo/Xinhua]
Bill Sleeper, 96-year-old geek
来源：资阳报