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Science.

And that is the same physics, medicine, nature, or space, time, brain, life, the universe.

Hello, this week we're getting ready for the World Cup naked scientist style.

From the physics of football to the psychology being a fan plus did Cambridge actually

invent football and in the news why living with others can stay off dementia the

strange objects that scientists have spotted on the surface of Pluto.

And do sharks really mistake surface for seals? I'm Katie Haleer.

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

The Naked Scientists Podcast is powered by UKfast.co.uk.

First up, one of the realities of getting older is that things can slow down a bit,

and that goes for our memories too.

But there might be a way to knock age-related cognitive decline on the head and that is by keeping

in close contact with your friends. Liz Kirby.

We know that our memory and our cognition declines as we age and this is just a normal thing that happens.

But there's a lot of factors that can help prevent that or at least slow it.

We know things like exercise or even dietary restriction can help slow this decline in memory function.

And there's a lot of evidence in humans that having lots of friends, lots of social contacts,

can also slow this decline.

...