Most people believe that the time spent on smartphones and social media affects children’s Face-to-Face social skills. But research shows that it has little...
According to the YouGov survey, most respondents believe that physical beauty is subjective, and some respondents have no preference for the height and weight...
In the pandemic, medical oxygen shortages occurred in Brazil, Italy, Peru, Nigeria and other countries. Even in the United States, the oxygen supply to...
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