TheattempttosendandlandastronautsonMarsrisksbillionsofdollarsandthelivesofthosebraveenoughtoattemptit.Isthepossiblebenefitreallyworththerisk?Andisitreallyachievable? GuidingusthrTheattempttosendandlandastronautsonMarsrisksbillionsofdollarsandthelivesofthosebraveenoughtoattemptit.Isthepossiblebenefitreallyworththerisk?Andisitreallyachievable? GuidingusthroughthisethicalandscientificminefieldisDrKevinFong.Kevin'sdiversebackgroundinastrophysics,aeronauticsandmedicinemakeshimuniquelyplacedtounders...详情