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Are Planes Safe – level 3
21-12-2020 15:00
Regulators, insurers, and experts are warning airlines to take...Machine Makes Books Safe – level 1
15-12-2020 07:00
Libraries in Japan use special machines. The machines sterilize...Machine Makes Books Safe – level 2
15-12-2020 07:00
Libraries in Japan use special machines that sterilize books....Machine Makes Books Safe – level 3
15-12-2020 07:00
Libraries in Japan use machines that sterilize books using...Breakdance Becomes an Olympic Sport – level 3
14-12-2020 15:00
Breakdancing is officially an Olympic sport now and it...First Person Gets a Vaccine – level 3
14-12-2020 07:00
90-year-old Margaret Keenan is the first person in the...