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Science.

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

This week we're tapping into cyber security to find out how vulnerable we are online,

and will also reveal what we discovered lurking on a discarded laptop.

Plus using zeka virus to attack brain cancer. An even more powerful particle

accelerator is on the drawing board and Stephen Hawking says we need a new planet.

I'm Tim Revel.

I'm Chris Smith and you're listening to The Naked Scientists.

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

Now anyone who works a night shift or perhaps presents an early morning radio show or

travels across time zones knows exactly what jet lag is.

Your body wants to be awake or asleep at all the wrong times. Now the reason this happens

is because every cell in the body has a chemical clock ticking inside it and this is

used to link the metabolism of the cell to the demands of the day. You upset that rhythm and, well, you know the consequences.

The assemblage of clocks in the body all fall into step with the master clock that's in your brain.

But now scientists at the

University of Surrey have found that these so-called peripheral clocks are also

sensitive to other cues as well, like when you eat your dinner. And it might be

...