Cov txheej txheem:

Ntawm cov tshuaj txhuam hniav tau tsim nyob qhov twg?
Ntawm cov tshuaj txhuam hniav tau tsim nyob qhov twg?
Anonim

Qhov ntxov tshaj plaws ntawm kev siv tshuaj kho hniav niaj hnub no tau qhia hauv xyoo 1815, los ntawm New Orleans tus kws kho hniav hu ua Dr. Levi Spear Parmly. Dr. Parmly txhawb kom nws cov neeg mob siv cov xov paj ntaub tom qab txhua qhov kev mus ntsib.

Nyob li cas yog txoj hlua khi tau tsim?

Keeb Kwm ntawm Kev Kho Hniav

Tab sis kev txhuam hniav tsis siv nws daim ntawv dav dav kom txog thaum 1815. Qhov no yog thaum New Orleans kws kho hniav Dr. Levi Spear Parmly tsim cov xov nyias nyias los ua kom nws cov neeg mob yooj yim thiab yooj yim ntxuav qhov chaw ntawm lawv cov hniav.

Puas yog ib qho khoom lag luam Asmeskas?

Txoj kev tshawb fawb pom tias tsuas yog 30% ntawm cov pej xeem hauv tebchaws Amelikas txhua hnub. Txoj kev tshawb no kuj qhia tau hais tias tsuas yog 37% ntawm cov pej xeem muaj ib qho kev tsis sib haum ntawm kev siv tshuaj txhuam hniav thiab tias 32% ntawm cov pej xeem tsis txhob siv tshuaj txhuam hniav.

Leej twg invented the dental floss dance?

Backpack Kid Russell Horning, tus tsim ntawm Floss seev cev, dhau los ua qhov tseeb los foob Fortnite - ABC News.

Puas yog tib neeg yav dhau los siv tsis tau?

Prehistory: Cov kws tshawb fawb tsis paub meej tias hnub twg cov neeg ua ntej keeb kwm pib siv cov ntaub yog, tab sis qee cov pov thawj qhia tias ntau tshaj 6,000 xyoo dhau los, tib neeg thaum ub. siv nees plaub hau thiab txhuam hniav kom tshem tawm cov zaub mov ntawm lawv cov hniav.

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