What's That Smell?

MN90: Minnesota History in 90 Seconds · Sep 22, 2026 · 1m

3M is famous for inventing the Post-It note. But Britt Aamodt has uncovered a 3M that gave you a scratch you just had to sniff.

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Producer: Britt Aamodt

Editorial support: Emily Krumberger

Mixing & mastering: Chris Harwood

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