In this edition of Business Daily, there's another chance to hear our investigation into something you might have been taking for granted.

Seweed.

For many of us, the term conjures up spindleak help growing in the shallows.

Or perhaps you're imagining the nori served in sushi restaurants worldwide.

Proponents say global appetites for seaweed food products and dietary supplements are growing.

But the real excitement is around some of the other things seaweed can do.

Reduce methane emissions, absorb carbon dioxide,

and perhaps replace the fossil fuels in plastics.

You can talk about seaweed for years in terms of its endless possibilities and outcomes.

I mean, I pretty much wake up thinking about it.

Start-ups from Australia to Zanzibar are finding ways to add value to these underwater

life forms.

It's a market we think can grow by $12 billion just this decade.

That's seaweed, the Superweed, in Business Daily,

with me Vivienne Nunes from the BBC World Service.

A knee and thing you're shined on the fay hoodie. Oh, a thing you're right, and good. That's Irish musician of the folk song, Dolemanan,

the folk song, Dolomond, it tells the song, Searsmue.

It tells folk song, Doolaman.

It tells the story of Ireland's traditional seaweed gatherers who've been collecting a kind of edible seaweed called channeled rack for hundreds of years.

Seweed is an umbrella term that doesn't really do justice to the complexity of this

diverse sub-aquatic organism. In fact, we use the word seaweed for a range of marine algae, red, brown

and green. Some varieties are anchored to the seabed, some cling to rocks, while others float

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