Isenokuba yenye yezona zinto zibalaseleyo kwisayensi: ibhokisi yomthi emhlophe qhwa, ethandekayo. Kutheni, kweli xesha leesathelayithi kunye ne-radar, sisathembele kuyo ukuba isixelele inyaniso esisiseko malunga nemozulu yethu? Kwikona yepaki, kumda webala leenqwelo-moya, okanye phakathi kwebala elikhulu, u...
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