Boldly going where no science show has gone before.

The Naked Scientists.

Hello, can survive with HIV, also why zoos are bad for elephants, they die at a younger

age apparently, and pause for thought. Why dogs get jealous just like us and we'll

find out why in just a second, Kat. Thanks Chris Chris also under the microscope this week we are

finding out where new infections come from so we'll be tracing the origins of HIV

as well as a new virus that recently appeared in South Africa where it's left several people dead.

What else is lurking out there in the wild waiting to pounce on us in our immune systems and what

makes this happen?

Thank you very much, Kat.

And if you think you might have caught one of nature's nasties

and you've been dosing yourself with menthol, then you might have noticed the effect that we're

testing in this week's kitchen science. It really does feel like my mouth is on fire.

I'm impressed then.

I have to say I hate Chile and I'm very glad it's you doing this and not me.

That's right, we're looking into how Chile and Minhal can affect the perceived temperature of your mouth.

So if you want to have a go, grab some mints and also some Chile.

And Ben and Dave will be along shortly to talk you through it.

And if you've got a question for the naked scientist or you just

want to say hi you can email us Chris at the naked scientist dot com.

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Scientists have discovered that there's a link between the genes that you carry

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