This ability to make copies of DNA, as simple as it sounds, has transformed our world. DNA的这种复制能力听起来很简单，却改变了我们的世界。 Scientists use it every day to detect and address disease, to create innovative medic
Hello! Hello, everybody! Thank you so much. Thank you. (Applause.) Thank you very much. Everybody, please have a seat. Thank you very much. (Applause.) Thank you. Let me just begin by making a few ack
