Awon kiikan Volta tan imole nla ti imo ijinle sayensi o si mu ki awon miiran se awon idanwo ti o jora, eyiti o yorisi idagbasoke aaye ti itanna eletiriki.Volta tun fa itara lati odo Napoleon Bonaparte fun eda re, o si pe si Institute of France lati se afihan eda re si awon omo egbe ti ile-eko naa.. 
Yorúbọid is a group of languages composed of ìgalà, a language spoken in Central Nigeria, and the Edekiri Group, The members of which are spoken in a band across Togo, Benin and southwestern Nigeria.. 