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Bats and Viruses – level 1
09-03-2021 07:00
Scientists know that the coronavirus comes from bats. Many...Bats and Viruses – level 2
09-03-2021 07:00
The coronavirus and many other dangerous viruses in the...Golden Globes Best Director – level 3
08-03-2021 07:00
Chloe Zhao, the Beijing-born director who now resides in...Rubbish Mountain – level 2
24-02-2021 15:00
A 50-meter-high rubbish mountain is in Leningrad region, Russia,...Mars Landing – level 2
23-02-2021 07:00
Last week, NASA’s Perseverance rover landed successfully on Mars....