N'iji mmemme njikwa mma sayensị zuru oke, okpukperechi dị elu na nke mara mma, anyị na-emeri nnukwu ndekọ egwu wee were mpaghara a maka mkpofu ihu ihu, Ihu ihu nkpuchi ntị nwere ike ịtụfu , Nnukwu ihe mkpuchi ihu , Ihe mkpuchi ahụike mkpofu ,Ụkpụrụ ịkwa akwa mkpuchi ihu . Anyị nwere ezigbo mpako maka nguzo dị elu gị site n'aka ndị na-azụ ahịa anyị maka àgwà a pụrụ ịtụkwasị obi nke ngwaahịa anyị. Ngwaahịa ahụ ga-enyefe ụwa niile, dị ka Europe, America, Australia, Lahore, Lithuania, El Salvador, Botswana .Gịnị bụ ezigbo ọnụahịa? Anyị na-enye ndị ahịa ọnụahịa ụlọ ọrụ. N'ime ntọala nke ezigbo mma, a ga-akwụrịrị nlebara anya na ịrụ ọrụ nke ọma ma nọgide na-enweta uru dị ala na ahụike kwesịrị ekwesị. Gịnị bụ nnyefe ngwa ngwa? Anyị na-eme ka nnyefe dị ka ndị ahịa 'chọrọ. Ọ bụ ezie na oge nnyefe na-adabere n'ọtụtụ usoro na mgbagwoju anya ya, anyị ka na-agbalị ịnye ngwaahịa na ngwọta n'oge. Nwere olile anya na anyị nwere ike inwe mmekọrịta azụmahịa ogologo oge.