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Nature 445, 593 (8 February 2007) | doi:10.1038/445593b; Published online 7 February 2007

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Getting that first scent of life while we're in the womb

Andreas Keller1

  1. Laboratory of Neurogenetics and Behavior, Rockefeller University, 1230 York Avenue, Box 63, New York, New York 10021, USA

In the opening sentence of his excellent Brief Communication "Underwater 'sniffing' by semi-aquatic mammals" (Nature 444, 1024; 2006), Kenneth C. Catania states that mammals cannot smell underwater because it is impossible to inspire air.

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