Here_s the paper_http_www.sciencemag
Here's the paper:
http://www.sciencemag.org/content/336/6079/341
http://www.sciencemag.org/content/336/6079/341
DNA alternative created by scientists
![](https://static-secure.guim.co.uk/sys-images/Guardian/Pix/pictures/2012/4/19/1334859981318/DNA-alternative-004.jpg)
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