Researchers Bred ‘Supermice’ for Extreme Running. They Expected a Downside, But There Wasn’t Any
令人惊讶的是，经过多代专门为长距离跑步培育的小鼠似乎与对照组一样健康。
Scientists Created Fertile Female Clones From Male Mouse Cells
他们从携带雄性基因组的细胞中培育出了可育雌性小鼠。
