translation.en: So 100 years ago, hormones had just been discovered, and people hoped that hormone treatments were going to cure aging and disease, and now instead we set our hopes on stem cells, genetic engineering, and nanotechnology.
translation.zh: 所以100年前， 荷尔蒙被发现了， 人们希望荷尔蒙治疗 能使我们永葆青春和治愈疾病， 现在我们则是希望干细胞， 基因工程，和纳米技术。