Stripping down science, the naked scientist.

Hello, welcome to this week's edition of the naked scientist.

I'm Chris Smith and also here is Helen Scales.

Hello Helen. Hello.

Now coming up this week we'll be finding out how scientists have uncovered the

chemical switch that triggers some cancers to spread around the body.

How do they do it?

Also researchers have sussed out where baby turtles go after they take to the

sea for the first time and also how a brain scan has revealed that people with anorexia

taste things differently which might explain why they develop the condition in the

first place and that's all on the way.

And also this week we're looking at the next generation of smart materials including a flexible

display that rewrites itself at the press of a button.

And it's nothing like the display in your laptop screen.

You could throw this on the other side of the room, it would not break.

Plus we'll also be hearing how to heal broken bones and speed up repair using new implantable

polymers and ceramics, and that's all on the way.

And in this week's question of the week we're going to get to the bottom of an interesting maritime

conundrum about seashells on the sea shore.

And why is it that we hear the sounds of waves when you put one to your ear? Or can you?

And continuing our smart materials theme, we'll also be hearing from scientists Ulrich Steiner about how Teflon and other non-stick surfaces work and in

kitchen science will be discovering how breathable fabrics like Gore-Tex

...