Boldly going where no science show has gone before.

The Naked Scientists.

Hello and welcome to this Chris Smith coming up a complete

a complete genome but at a fraction of the price that it used to cost

scientists have unveiled a much faster,

a much cheaper way to decode DNA and we'll tell you how it works shortly.

Also why you should savour every single mouthful? New research shows that eating too fast makes you feel less

full up and you're more likely to overdo it. And how babies cry with accents.

Yep, scientists have shown that newborns mimic the way their mothers sound.

And we'll be talking to one of the researchers who's made that discovery

and find out why the babies do that in just a minute, Helen.

Thanks, Chris.

And on the subject of babies, this week we're exploring the science of reproduction and fertility.

We'll hear how body temperature can be used to track a woman's ovulation

and a new invention that uses temperature to tell you when you're most fertile.

We'll also be finding out why some people have

difficulty conceiving and the sorts of techniques that can be used to help them

including IVF. And not to leave out the fertility theme, Diana is also looking into an answer to this question.

Hi, it's half in Tupac from Milford Haven there.

My question this week is, how many children was the average sperm donor create?

And you can hear just how many and the answer will surprise you in

this week's question of the week that's on the way. In the meantime if you'd like

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