 Saynisyahannada cilmi-baadhista sameeyey ayaa tibaaxay in galinka dambe ee maalintii ay tahay wakhtiga ugu wanaagsan ee la jimicsan karo, sababtoo ah wakhtigaas waxa kala baxa muruqyada jidhka si fiicana u aqbala dhaqdhaqaaqa jidhku samaynayo. 