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An easy way out?

Nature volume 441, pages 570571 (01 June 2006) | Download Citation


  • A Correction to this article was published on 14 June 2006

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Scientists say they gas mice and rats with carbon dioxide because it is humane. It's also simple, cheap and keeps their hands clean. Emma Marris analyses the final seconds of the lab rodents' life.

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  • 02 June 2006

    Correction and clarification: B. Taylor Bennett is at the University of Illinois at Chicago, not at the University of Chicago. Abigail Witherden is a post-doctoral researcher in an Imperial College laboratory rather than a principal investigator with a lab of her own. She is not in a position to set policy on laboratory practice.


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    et al. Comp. Med. 52, 249–257 (2002).

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  1. Emma Marris reports for Nature from Washington DC.

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