On Britain streets, you unknowingly see, extraordinary heroes who look just like me.

We live without capes or superpowers.

We're the everyday heroes who save the hour a nurse a teacher a cabby a mate pride of

Britain's here it's time to celebrate do you know an everyday hero who deserves

recognition visit pride of Britain dot com Do you know an everyday hero who deserves recognition?

Visit pride of Britain.com and nominate them today.

T.S.B. proud partners of the Pride of Britain Awards.

Stripping down science, the naked scientists.

Hello, welcome to this week's naked scientists.

It's our extraviganza of questions and answers this week and

it's with me Chris Smith with Dave Ansel, hi Dave. Hi Dave.

Hi Dave. Hi Dave.

Hi there.

Hi Dave.

Now on the way this week why diet foods could actually make you fatter, well there's food for

for the ford if ever I've heard of it. Also the coral catastrophe that's happening in the Pacific,

why reefs are being lost twice as fast as rainforests it turns out. There's a massive meteor shower destined for Earth.

It's coming tonight and Dave will be telling you all about it. And a new way to fend off asteroids

destined to hit the Earth. There's certainly a space theme to this week's show. It's a nuclear

power drill and I'll be telling you how that works in just a second.

Plus we're trying to get to the bottom of this colourful kitchen science question

from Neil and Coventry. Recently I bought some meaty bubble baths for my kids and when he pouring the water it changes from red to blue.

...