mabaka a rona a itshetlehile hodima bopaki bo tshwarehang, ba saense le lesedi la tsa moruo le ditlwaelo tse hlwahlwa ka ho fetisisa tsa matjhaba.

kwenta kwetfu loko kususelwa ebufakazini baloko losekuke kwahlangabetanwa nako, ulwati lwetesayensi kanye neletemnotfo kanye nekwenta tintfo ngendlela yemaveemhlaba lencono kakhulu.
