The scent of sickness: 5 questions answered about using dogs – and mice and ferrets – to detect disease

Scientists are experimenting with using dogs to sniff out people infected with COVID-19. But dogs aren't the only animals with a nose for disease.

Glen J. Golden, Research Scientist/Scholar I, Colorado State University • conversation
Jan. 13, 2021 ~8 min

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Synthetic odors created by activating brain cells help neuroscientists understand how smell works

Brains recognize a smell based on which cells fire, in what order – the same way you recognize a song based on its pattern of notes. How much can you change the 'tune' and still know the smell?

Edmund Chong, Ph.D. Student in Neuroscience, New York University • conversation
July 8, 2020 ~8 min

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What makes something smell good or bad?

Mmmmmmm. That smells delicious. Wait, how do you know that?

Weihong Lin, Professor of Biological Sciences, University of Maryland, Baltimore County • conversation
June 1, 2020 ~5 min

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