The Hello, Hello and this week a poisonous problem for beard drinkers how to use lasers to make 3D images of distant objects and how ice age pottery reveals that we've always had a taste for fish.

Plus we will be heading to the cradle of mankind in South Africa to meet some of our earliest

human ancestors.

If you'd like to get in touch with us here at the naked scientist you can email studio at the

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Facebook the naked scientists podcast is powered by UKfast.co.uk.

And joining Hannah and me for a look at what's been making science

headlines this week are Lori Winkless from the National Physical

Laboratory. Hello Lori.

Hi guys. And we're also joined by Bibi Campaseo from Chemistry World magazine.

Hello, Bibi.

Thanks for joining us.

Now first up, Bibi, you have been looking out for beer drinkers.

This is something very close to my heart, but it turns out we might have been getting more

than we bargained for.

Yes, this is unpublished research that was presented this week at the ACS Spring Meeting,

and for those who are not familiar with it is the American Chemical Society.

They have two meetings a year and they're absolutely huge and this is one of the topics that caught

our attention because obviously again be a very interesting topic of

conversation for most of us.

It does seem to catch people's attention quite alike yes.

It does it does so basically there is an issue with the beer making process in that

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