So he's trying to figure out what these very poor people are going to do as they ascend to middle-class

status. What are they going to buy so that he can invest in those companies and make money?

And the problem is we know that as people get

richer they change what they eat. But when you ask them what they're going to

eat, they're like oh no no I, I would still eat the same things.

I wouldn't change anything. I'm Ricky Mulvey and that's Nikola Twilly, the author of Frostbite, how refrigeration changed our food, our planet, and ourselves.

She's also the co-host of Gastropy. We played a part of my conversation with Twilly on Friday's show.

It's about how the technology of refrigeration

followed the Gartner hype cycle,

because its history has some lessons for investors today.

If you haven't listened that first part,

I recommend you listen when you can, but if you haven't, today's show will make sense in and of itself.

I chat with Twilly about her experience inside the cold chain, what it's like working in refrigerated warehouses.

We also talk about why ice cream is especially tricky to handle and how an emerging

market's investor made money by checking the fridge. You'd have been following the

you'd have been following the artificial cryosphere for a while now and it's something that we come in

contact with in a very small form maybe our refrigerators at home or the frozen food

section in a Walmart, but you've called it the third poll.

Can you give us a scope of the artificial cryosphere?

Yeah, I ended up calling it the artificial cryosphere to distinguish it from Earth's natural

cryosphere, so that's the ice caps at the Antarctic and the Arctic and the glaciers that are increasingly

shrinking. And the irony of course is that as the natural cryosphere is shrinking,

...