And the Hello, welcome to the naked scientists with me, Chris Smith and also with Jenny Smith.

Hello and in the show this week, why smell might be down to the way molecules vibrate.

A 270 million year old fossilized tape worm, or at least it's eggs.

How scientists have watched thoughts moving in a fish's brain.

And are we on the verge of a cure for the common cold?

Scientists have discovered a powerful new way to block viruses growing inside cells.

Plus saving the Tasmanian devil.

New researchers revealed why an infectious cancer that spreading amongst the animals

when they bite each other isn't attacked by their immune systems.

If you'd like to get in touch with us here at the naked scientists, email Chris at the

naked scientists.com, tweet at naked scientists or find us on Facebook.

The Naked Scientists Podcast is powered by UKfast.co. UK. And joining us to take a look at the science news this week is Phil Robinson.

He's from the Royal Society of Chemistry's Chemistry World magazine, and also

Laurie Winkles from the National Physical Laboratory.

So hello to both of you.

Phil, kick off and tell us why it is that smell might be all about vibrations.

So, Chris, we've got a story here, a really fascinating story I think, about a controversial

theory about the way in which our sense of smell works.

Now, just a bit of background, the sense of smell is not terribly well understood,

or at least the model that we have for it doesn't explain all of the evidence. So we know that in order to

smell something the molecule that makes that smell if you like has to make its

way into your nose and in your nose you have some receptors or factory receptors they

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