discove的精選

問題詳情：Followingnewsofthepotentialforlifeontherecently-discoveredTRAPPIST-1system,theremaybeanothercompetitorreadytotakeitsplace. WiththehelpoftheCassinispacecraft,NASA(NationalAeronauticsandSpaceAd...

問題詳情：      Scientistsaredebatinghowtolimittheirnewly-discoveredpowertochangegeneticstructure.Scientistsalreadymodifythegenesoffarmanimalsandagriculturalplantstomakethemmoreproductiveorstronge...