Welcome to Grand Challenges from Nature.

Grand Challenges is our new Roundtable series

in which a panel of experts take on the biggest challenges facing society

and ask what scientists, universities, governments,

even you and I should be doing to try and solve them.

I'm Kerry Smith, and in this episode, Aging.

Where better to start than one place place people never get old, the beaches

of Southern California.

That's Venice Beach, man. I've been here for a while,

that's all you see all day.

You know, like, when you get here, you're not going to recognize

age no more, because you're going to see old people on

skateboards.

You're ready to get out, man, you're going to see

some stuff you never seem Because it's seen

Why people don't get all around here

Do you think a lot about kind of, you know

Being healthy as you

To put the job

Staying healthy

Do you want to live for a really long time

Oh well I want to have good quality while I'm here Just had a physical two days ago I want to live for a really long time? Oh, I want to have good quality while I'm here.

...