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And even though the mice kidneys developed properly in rats, the rats died shortly after birth because of complications related to the way they were modified before receiving the mice stem cells.

Analysts believe the impact of capacity cuts on unemployment and the social welfare burden is limited.

And Frankfurt stocks lost 2.5 percent after Germany also ramped up Covid-19 restrictions, while the EU's disease control agency labeled more than half of the bloc's member states as red zones in a new map to guide countries' decisions on travel restrictions.

Analysts said the tertiary industry, accounting for over half of China's GDP last year, has served as the ballast stone for a stable job market as services, mainly labor-intensive sectors, are more effective in creating new job opportunities than the traditional secondary industry.

And the rest, as they say, is history. Chennault explained his decision to accept the Chinese offer in a letter to his brother. His work there "may amount to very little except a good paying position or it may amount to a great deal." But destiny was calling him. "It is even possible that my 'feeble' efforts may influence history for some few hundreds of years."