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Welcome. Science.

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

Hello, this week, Mind Control.

What is fact and what is fiction when it comes to taking over the mind of another.

Coming up how hypnosis works and the parasites that hijack your brain.

Plus in the news, are we a step closer to reversible birth control for men?

Why rocks can affect how you vote, and why plastic is causing

muscles to get weaker.

I'm George Mills.

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

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

First today, for the most part, women have to bear the brunt of contraception, by taking the pill or having a coil or implant fitted.

Male contraception is either very temporary, for example condoms, or potentially irreversible, like a vasectomy.

But now researchers in China have developed a reversible contraceptive technique for men.

So far, it's only been tested in rats, but it does appear to work and it does appear to be safe.

The approach involves injecting into the vastefrons which are the tubes that connect the

testes to the inside of the body, a small amount of a thick gel-like substance that blocks

the movement of sperm. To reverse it you add heat and the gel

dissolves, unblocking the vast deference again. Bill College is a reproduction specialist at

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