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  • - Early on, I thought,

    - 早期,我想。

  • I'm gonna write a book about the great adventure

    我要寫一本關於偉大冒險的書

  • of understanding gene editing.

    的理解基因編輯。

  • You know, I've written about the physics revolution

    你知道,我寫過關於物理學革命的文章

  • that dominated the first half of the 20th century.

    在20世紀上半葉占主導地位的。

  • And then of course I was deeply immersed

    當然,後來我也深深地沉浸在

  • in the digital revolution,

    在數字革命中。

  • which was the second half of the 20th century.

    也就是20世紀下半葉。

  • But what happened in the past few years

    但在過去幾年中發生了什麼

  • is we've found easy to reprogram tools

    是我們已經發現的容易重新編程的工具

  • that will allow us to edit our genes.

    這將使我們能夠編輯我們的基因。

  • Man, that's going to be 10 times more impactful

    夥計,這將是10倍的影響

  • than the digital revolution was.

    比數字革命更重要。

  • So whenever you have a wonderful tale of adventure,

    是以,只要你有一個精彩的冒險故事。

  • it's always good to have one central character

    有一箇中心人物總是好的

  • that helps bring the narrative along.

    這有助於將敘事進行下去。

  • And for me, Jennifer Doudna was perfect for that.

    而對我來說,詹妮弗-杜德納在這方面是完美的。

  • When she was a young scientist and graduate student

    當她還是一個年輕的科學家和研究所學生的時候

  • in the 1990s,

    在20世紀90年代。

  • all the men in science and biology,

    科學和生物學領域的所有男人。

  • they were all running after the soccer ball,

    他們都在追著足球跑。

  • focusing on DNA and the human genome project.

    專注於DNA和人類基因組計劃。

  • But she became fascinated with RNA.

    但她開始對RNA著迷了。

  • And it turns out that's a molecule

    而事實證明那是一個分子

  • that actually does more work.

    這實際上做了更多的工作。

  • She was able to discover how RNA could replicate itself,

    她能夠發現RNA如何能夠自我複製。

  • which gets to one of the big questions in life.

    這就涉及到生活中的一個大問題。

  • Which is, how did life begin on the planet?

    這就是,生命是如何在地球上開始的?

  • Then she discovered how to take this tool

    然後,她發現瞭如何利用這個工具

  • that bacteria use to fight viruses, called CRISPR,

    細菌用來對抗病毒的方法,稱為CRISPR。

  • and repurpose it by reprogramming the RNA

    並通過重新編程RNA來重新利用它。

  • to edit our own human genes.

    來編輯我們自己的人類基因。

  • So all of these things come out of Jennifer's work

    是以,所有這些東西都來自於珍妮弗的工作

  • in understanding the structure of RNA.

    在瞭解RNA的結構方面。

  • CRISPR is a system that bacteria have been using

    CRISPR是一個系統,細菌一直在使用

  • for a billion years.

    十億年來。

  • And they learned a simple trick.

    他們還學會了一個簡單的技巧。

  • If a virus attacks them,

    如果有病毒攻擊他們。

  • they take a mugshot,

    他們拍了一張照片。

  • and they wrap it into their own bacterial code.

    並將其包裹在自己的細菌代碼中。

  • If the virus ever attacks them again,

    如果病毒再次攻擊他們。

  • they got that mugshot, and they take a guide,

    他們得到了那張照片,並且他們採取了一個指導。

  • and take a pair of scissors known as an enzyme,

    並拿著一把被稱為酶的剪刀。

  • and they chop up the virus.

    他們把病毒切碎了。

  • But what Jennifer Doudna and Emmanuelle Charpentier

    但珍妮弗-杜德納和埃馬紐埃爾-沙彭蒂埃的做法

  • and others did, was figure out,

    和其他人所做的,是弄清楚。

  • we can repurpose this

    我們可以重新利用這個

  • so that the guide doesn't just chop up

    這樣,指南就不會隨便砍掉

  • the viruses attacking bacteria,

    攻擊細菌的病毒。

  • we'll reprogram it so that it cuts our own DNA

    我們將對它進行重新編程,以便它能切割我們自己的DNA。

  • wherever we tell it to.

    我們讓它去哪裡就去哪裡。

  • And thus, it becomes a tool to edit our genes.

    是以,它成為編輯我們基因的工具。

  • Right after Jennifer invented this technology,

    就在珍妮弗發明了這項技術之後。

  • she had a nightmare.

    她做了一個惡夢。

  • And it's somebody who wanted to learn

    而且是想學習的人

  • how to use the technology.

    如何使用該技術。

  • She walks into the room,

    她走進房間。

  • and in the nightmare, it's Hitler.

    而在噩夢中,是希特勒。

  • So she starts gathering scientists to answer your question,

    所以她開始收集科學家來回答你的問題。

  • which is, what are the perils we need to worry about?

    這就是,我們需要擔心的危險是什麼?

  • Now, the perils to me, are that we go too fast down the road

    現在,對我來說,危險在於,我們在這條路上走得太快了

  • and make inheritable edits in the human genome

    並在人類基因組中進行可遺傳的編輯

  • in a way that affects our whole species.

    以一種影響我們整個物種的方式。

  • And I think that's a ethical line we have to pause

    我認為這是一條我們必須暫停的道德線。

  • and be very careful before we cross.

    並在我們穿越之前要非常小心。

  • We know ways to use this in individual patients

    我們知道如何在個別病人身上使用這個方法

  • for deeply important medical needs,

    用於深層次的重要醫療需求。

  • like sickle cell, cystic fibrosis, Huntington's,

    如鐮狀細胞、囊性纖維化、亨廷頓症。

  • Tay-Sachs, muscular dystrophy.

    Tay-Sachs, 肌肉萎縮症。

  • I think we should focus on those,

    我認為我們應該專注於這些。

  • and be careful about doing things

    並小心行事

  • that would allow rich people to buy better genes

    這將使富人能夠購買更好的基因

  • for their children.

    為他們的孩子。

  • Because if people could go to a genetic supermarket,

    因為如果人們可以去基因超市。

  • and say, what color eyes, what color hair, what height,

    並說,什麼顏色的眼睛,什麼顏色的頭髮,什麼高度。

  • I think we would harm the human species.

    我認為我們會傷害人類的物種。

  • You know, we think of these as futuristic technologies,

    你知道,我們認為這些是未來主義的技術。

  • but we've already had CRISPR be used for a real person,

    但我們已經有CRISPR被用於一個真正的人。

  • Victoria Gray.

    維多利亞-格雷。

  • They use CRISPR technology to take her stem cells,

    他們使用CRISPR技術提取她的幹細胞。

  • edit them, reinsert them into her body,

    編輯它們,把它們重新插入她的身體。

  • so that she is now making healthy blood cells.

    是以,她現在正在製造健康的血細胞。

  • We're already using this to help the human species.

    我們已經在利用這個來幫助人類。

  • So all these things are about the unbelievable excitement

    所以所有這些事情都是關於不可思議的興奮

  • of the journey of science.

    的科學之旅。

  • And that open inquiry,

    而這種開放式的調查。

  • that ability to approach things with an open mind,

    以開放的心態對待事物的能力。

  • we sometimes lose that.

    我們有時會失去這一點。

  • We go into our ideological corners

    我們進入了我們的意識形態的角落

  • and we have knee jerk reactions to things without saying,

    而我們對不說的事情有膝跳反應。

  • "Show me the evidence."

    "給我看看證據。"

  • So one of the things I wish people would think about,

    是以,我希望人們能夠思考的一件事。

  • is it's not just about science,

    是它不僅僅是關於科學。

  • it's about the scientific method.

    這是關於科學方法。

  • Which means you're open to changing your mind.

    這意味著你對改變你的想法持開放態度。

  • - [Announcer] Get smarter faster

    - [播音員]更快獲得智能

  • with videos from the world's biggest thinkers.

    伴隨著世界上最大的思想家的視頻。

  • And to learn even more from the world's biggest thinkers,

    並從世界上最大的思想家那裡學到更多。

  • get Big Think Plus for your business.

    為您的企業獲得Big Think Plus。

- Early on, I thought,

- 早期,我想。

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