Muab tso rau hauvXov xwm

Muaj pes tsawg lub hnub qub nyob hauv qhov chaw?

Brian Jackson, Boise State University Curious Kids yog koob rau cov menyuam yaus ntawm txhua lub hnub nyoog. Yog tias koj muaj lus nug koj xav kom tus kws tshaj lij teb, xa nws mus rau curiouskidsus@theconversation.com. Raws nraim pes tsawg hnub qub nyob hauv qhov chaw? - MeeSong, Brookline, Massachusetts Saib saum ntuj thaum hmo ntuj pom tseeb, thiab koj yuav pom ntau txhiab […]