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Published online 16 August 2007 | Nature | doi:10.1038/news070813-9
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Mice can smell greenhouse gas
Rising CO2 makes a stink for mice.
Mice can smell carbon dioxide at levels just higher than that in normal air, thanks to specialized neurons in their nose.
Minmin Luo at the National Institute of Biological Sciences, Beijing, and his colleagues tracked down the neurons that mice use to detect carbon dioxide, they write in Science1.
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