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It’s clear that genes, receptors and neurons all play a role in detecting odors. But much of how we make sense of what we sniff remains mysterious. A neuroscientist explains. Q and A with Neurobiologist Peter Mombaerts.

Machine learning techniques are commonly based on how the visual system processes information. To beat their limitations, scientists are drawing inspiration from the sense of smell.

Losing the sense of smell predicts likelihood of death within five years, according to new research.