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(2632)

How we can face the future without fear, together | Rabbi Lord Jonathan Sacks

How we can face the future without fear, together | Rabbi Lord Jonathan Sacks

It's a fateful moment in history. We've seen divisive elections, divided societies and the growth of extremism -- all fueled by anxiety and uncertainty. "Is there something we can do, each of us, to b...

11 Jul 201712min

Lifesaving scientific tools made of paper | Manu Prakash

Lifesaving scientific tools made of paper | Manu Prakash

Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered...

10 Jul 201714min

The gospel of doubt | Casey Gerald

The gospel of doubt | Casey Gerald

What do you do when your firmly held beliefs turn out not to be true? When Casey Gerald's religion failed him, he searched for something new to believe in -- in business, in government, in philanthrop...

28 Jun 201718min

My year of living biblically | AJ Jacobs

My year of living biblically | AJ Jacobs

Author, philosopher, prankster and journalist AJ Jacobs talks about the year he spent living biblically -- following the rules in the Bible as literally as possible.Learn more about our flagship confe...

28 Jun 201717min

Don't ask where I'm from, ask where I'm a local | Taiye Selasi

Don't ask where I'm from, ask where I'm a local | Taiye Selasi

When someone asks you where you're from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of "multi-local" people, who feel at home in the town where they grew up, the ci...

28 Jun 201716min

Everyone around you has a story the world needs to hear | Dave Isay

Everyone around you has a story the world needs to hear | Dave Isay

Dave Isay opened the first StoryCorps booth in New York’s Grand Central Terminal in 2003 with the intention of creating a quiet place where a person could honor someone who mattered to them by listeni...

28 Jun 201721min

Never, ever give up | Diana Nyad

Never, ever give up | Diana Nyad

In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an a...

28 Jun 201715min

The unheard story of David and Goliath | Malcolm Gladwell

The unheard story of David and Goliath | Malcolm Gladwell

It's a classic underdog tale: David, a young shepherd armed only with a sling, beats Goliath, the mighty warrior. The story has transcended its biblical origins to become a common shorthand for unlike...

28 Jun 201715min

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