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Prev This 14-year-old girl won a $25K prize for a discovery that c...
This 14-year-old girl won a $25K prize for a discovery that c...
2020.10.19by 마린
This 13-year-old scientist may have designed a better version... Next
This 13-year-old scientist may have designed a better version...
2019.11.03by 마린
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