Bizarre science: Dr Brian Cox shows how to extract your own DNA using VODKA

In the BBC series Wonders of Life, particle physicist Brian Cox explored how you can isolate your DNA with nothing more than some washing up liquid, salt and alcohol.

To carry out the simple experiment you will need to prepare a glass test tube or a similar, small container.

You will then want to scrape the inner lining of our cheek with your tongue and build up a fair amount of spittle in your mouth.

Dr Cox said: “All I need to isolate my DNA is some washing up liquid, a bit of salt and the chemist’s best friend – vodka.

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