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Hello and welcome to NewsAv from the BBC World Service.

We're coming to you live from London. I'm James Menendez.

And coming up in 15 minutes, we'll hear from one of the winners of the Nobel Prize for Chemistry this year.

Also, the writer and illustrator, Charlie Macassie, talks about why he decided to write a

follow-up to his best-selling book, The Boy, the Mole, the Fox and the Horse.

Don't long ago, a man who's lived a long time, I've never met him before, but he's a gentle,

elderly man came up to me and looked at me

and said, you're the mole man, something like that. And I smiled and he gripped my forearm. I said,

yeah, yeah, that's me. And his eyes welled up. And I was standing there in the street and she said,

make another. More from Charlie later on NewsA. But we are going to begin today talking about something

but very much of the moment and yet also as old as the hills. Gold has been a source of fascination

for humans ever since the first shiny and strangely heavy nuggets were dug out of the ground.

And that fascination has also made it the most enduring store of wealth

in history. So much so that today, gold is worth more than it's ever been worth, even allowing

for inflation. Over night, the price of an ounce of gold broke through the $4,000 barrier for the first

time. A golden milestone, gold smashes through $4,000 for the first time. A golden milestone, gold

smashes through $4,000 for the first time

as the U.S. shutdown fuels that rally.

The price of gold has hit a record high

of more than $4,000 in ounce.

It's been the strongest yearly performance

...