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Neurobiology

Scent secrets of insects

The perception of carbon dioxide provides insects with sensory data on their environment, and informs many insect behaviours. It seems that this sense relies on two dedicated neural receptors.

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Figure 1: Sensing carbon dioxide.

J. RIESGO-ESCOVER & J. CARLSON (inset); A. SYRED/SPL

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Wilson, R. Scent secrets of insects. Nature 445, 30–31 (2007). https://doi.org/10.1038/445030a

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