Just before this BBC podcast gets underway, here's something you may not know.

My name's Linda Davies and I Commission Podcasts for BBC Sounds.

As you'd expect, at the BBC we make podcasts of the very highest quality featuring the most knowledgeable experts and genuinely engaging voices.

What you may not know is that the BBC makes podcasts about all kinds of things like pop stars,

poltergeist, cricket, and conspiracy theories and that's just a few examples.

If you'd like to discover something a little bit unexpected, find your next podcast over at BBC Sounds.

Thanks for downloading the more or less podcast from BBC Radio 4.

Here's Tim Harford.

Hello and welcome to more or less, an island of numeracy in a world flooded with arts graduates.

Later, we'll look back over 70 years of government social surveys.

In 1941, the wartime social... over 70 years of government social surveys.

In 1941, the wartime social survey unit undertook a major study of women's undergarments.

The reason, steel.

Britain needed to know how much metal was being used to support the country's women rather than the war effort.

And we'll be investigating the placebo effect.

It was amazing. There were some patients who had been in wheelchairs for months or years and who

started walking again and we were seeing this with our own eyes and we just couldn't believe it.

But first, you won't be surprised to hear that over the past few weeks,

we've received a number of emails asking us to explain the problems in Greece

and the European debt crisis and how or perhaps if the euro can survive.

Well on more or less we're always looking for the perfect analogy to help clarify complicated things.

And the European debt crisis is pretty complicated. to help clarify complicated things.

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