Tuesday, 29 November 2011


Today I saw this sign in Amsterdam. It says: “Area protected with DNA spray”. As I had no idea what DNA spray was, my mind painted pictures of DNA material being sprayed... Well that just couldn’t be right.

But it’s not what you think. At least not what I thought. DNA spray is a tool spraying synthetic DNA material in the air in case of robbery. It’s invisible and not easy to wash off. It lights up under black light. This way police can find criminals and especially prove their involvement in the crime.

I just wonder: if the DNA spray is released in the air it will also down on other people, right? If you want to avoid misunderstandings keep clear of black lights after you’ve witnessed a robbery in a shop.

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