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

We live without capes or superpowers.

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Hello.

Welcome.

Science and that is the say physics, medicine, nature, or space, time, brain, life, the universe.

Hello, this week we're asking, would you risk your life to save someone else?

Plenty of people do things like this and so do other animals

and even it turns out bacteria.

But why do they do it and how did altruistic actions like this evolve in the first place.

Plus in the news, scientists clone monkeys,

the modified coal virus that selectively attacks pancreatic cancer

and why bees might be bad for other pollinators. I'm Katie

Hala. I'm Chris Smith and this is the Naked Scientists. The Naked

Scientists podcast is powered by UKfast.co.uk.

First up, let's take a look at one of the big stories of this week. A paper in the journal

Sel announced the successful cloning of two Macax which are a kind of monkey.

But what does all this mean for us humans?

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