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Science and that is the same

physics, medicine, nature, or

time, brain, life, the universe.

This week, from big farmer to little farmer, we're finding out how are new drugs discovered.

Plus, in the news, what powers the Northern Lights on Jupiter,

why cuckoos have the last laugh,

and three decades from a telescope that's changed our view of the universe.

Hello, I'm Chris Smith and this is the Naked

Sciences. The Naked Scientists podcast is powered by UKfast.co.uk. Now let's start with a look at fat. For years we've been told for the benefit of good health to keep fat intake to a minimum.

And that makes the discovery announced last week that a diet where most of the calories come from fat

and makes mice live 13% longer and stay active and healthy further into old age,

very surprising.

Eating a high fat diet induces a state that's called ketitosis and somehow this alters metabolism into a life- prolonging

state. So what should be on the menu? John Ramsey.

This is a diet that's become increasingly popular.

Breakfast, for example, might be to have a couple of eggs,

avocado on the side, milk with some heavy cream,

and then for lunch it might be something like having a

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