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Blue Origin’s engineers work on the hydrogen-fueled BE-3 engine, which is used on the company’s New Shepard suborbital spaceship. (Credit: Blue Origin)

Blood donations in China have steadily increased over the past 20 years, resulting in a general balance between supply and demand, China's top health authority said on Tuesday.

Both Alibaba Group Holding Ltd's Taobao and its rival JD, two of China's biggest online shopping sites, have launched their own livestreaming platforms.

Boeing MAX jets were grounded worldwide following crashes March 10 in Ethiopia and October 29, 2018 in Indonesia that killed a total of 346 passengers and crew.

Birth totals over the past few years－since the 2016 adoption of the universal second-child policy, the latest policy relaxation in family planning－have shown the policy adjustment did not boost population growth effectively, and further relaxation is needed, said Lu Jiehua, a sociology professor at Peking University.