 Na Monde, ndi oka mmuta sayensi sitere na Mahadum Stanford Ulo-akwukwo nke Ogwu kwuputara nchoputa nke ngwa-oru nyochaputa ohuu nwere it hoputa mkpuru-ahu site udi: otu mpekere ngwa nka nke enwere ike iruputa site na iji inkjeti igwe-prita din mma nke enwere-ike imeputa na otu senti mba US notu. 