Can we cure genetic diseases by rewriting DNA? | David R. Liu
TED Talks Daily23 Apr 2019

Can we cure genetic diseases by rewriting DNA? | David R. Liu

In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's development of base editors that can rewrite DNA. This crucial step in genome editing takes the promise of CRISPR to the next level: if CRISPR proteins are molecular scissors, programmed to cut specific DNA sequences, then base editors are pencils, capable of directly rewriting one DNA letter into another. Learn more about how these molecular machines work -- and their potential to treat or even cure genetic diseases.

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Episoder(2633)

How art helped me grapple with grief | Navied Mahdavian

How art helped me grapple with grief | Navied Mahdavian

With just a few lines, cartoons can say so much with so little. In a moving talk, cartoonist Navied Mahdavian shares his process for distilling huge concepts into drawings on the page — and shows how ...

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Beyond the Talk: Tristan Harris on seeing the dangers of AI clearly

Beyond the Talk: Tristan Harris on seeing the dangers of AI clearly

“AI is already demonstrating deceptive, self-preserving behaviors that we thought only existed in science-fiction movies,” says technology ethicist Tristan Harris. Following his talk at TED2025, Harri...

1 Mai 202522min

Why AI is our ultimate test and greatest invitation | Tristan Harris

Why AI is our ultimate test and greatest invitation | Tristan Harris

Technologist Tristan Harris has an urgent question: What if the way we’re deploying the world’s most powerful technology — artificial intelligence — isn’t inevitable, but a choice? In this eye-opening...

1 Mai 202516min

Where in the world is Trump taking us? | TED Explains the World with Ian Bremmer

Where in the world is Trump taking us? | TED Explains the World with Ian Bremmer

It’s been an eventful first 100 days for the second Trump administration, which has featured tariff turmoil, shifting foreign policy and the upheaval of prior geopolitical relationships. In this discu...

30 Apr 202556min

A new vision of healthy masculinity | Davonte Green

A new vision of healthy masculinity | Davonte Green

What does it actually mean to be a "real man" these days? In a personal talk packed with actionable advice, youth advocate Davonte Green challenges age-old stereotypes about masculinity, showing that ...

29 Apr 202513min

Feeling stressed? The answer isn’t to “just relax” | Aditi Nerurkar

Feeling stressed? The answer isn’t to “just relax” | Aditi Nerurkar

Stress isn’t all bad. In fact, the right kind can fuel growth instead of burnout. In this actionable discussion, physician and author Aditi Nerurkar shares tips for managing your stress, boosting your...

28 Apr 202558min

Sunday Pick: How poetry builds teenagers' confidence (w/ Youth Poet Laureate Naisha Randhar) | How to Be a Better Human

Sunday Pick: How poetry builds teenagers' confidence (w/ Youth Poet Laureate Naisha Randhar) | How to Be a Better Human

In honor of National Poetry Month, Chris is speaking with Naisha Randhar. Naisha is the Youth Poet Laureate of Dallas, the author of Roses of Arma, and the youngest guest Chris has ever interviewed — ...

27 Apr 202541min

The climate movement needs new stories — here's mine | Fenton Lutunatabua

The climate movement needs new stories — here's mine | Fenton Lutunatabua

"We are not drowning. We are fighting," says storyteller Fenton Lutunatabua, echoing the mantra of the climate activists he works with across the Pacific. He shares stories of the people and communiti...

26 Apr 20259min

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