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Another study will explore how the microgravity environment of space affects microorganisms in the gastrointestinal tract.

Announced at a press conference, it shows one aspect the country has achieved in accelerating the construction of the social credit system.

Anyone who has studied Mandarin, no matter how long, knows that Chinese characters play a dominant role in the language. Each Chinese character has its own meaning and history.

Any such tax cut would need congressional approval. President Barack Obama cut payroll taxes in 2011 and 2012. The taxes fund Social Security and Medicare.

Antibody tests also are being conducted in Miami-Dade County, Florida, and San Miguel County, Colorado.