Stripping down science, the naked scientists.

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

This week we're going in search of the reason that a crowd turns into a riot.

We'll be talking to Clifford Stott from the University of Liverpool who works on football

hooliganism and also John Drury from the University of Sussex and one of the things we'll be looking at

is the best way to get people out of a dangerous situation and evacuated to safety.

Hi guys.

Hello.

And to take a completely different flight of fancy, Gay Gibson's here from the University of Greenwich,

and she works on how it is that a male mosquito can spot a female mosquito and vice versa, cat.

Always seems to be me, they're just always trying to make

with me no hate them anyway we're going to be finding out the scientific way and not

to forget those email attachments look of recognition around everyone here.

Yeah, how many times you've sent that big email to loads of people at work?

Find and close the attachment. Oh no, sorry everyone. Anyway, so scientists have been on the case with that.

A scientist has been measuring happiness.

So which countries around the world are happiest, which are the most miserable?

Here's a quick teaser for you.

Are we happier or less happy than France here in the UK?

What do you reckon?

I reckon the French are happier than we are. I reckon gay, what do you think?

Could be. I reckon I are even happier.

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