While we take a short break this week, we're revisiting our countdown of the 25 greatest science ideas of the past 25 years! It all kicks off right here with a breakthrough for jetlagged hamsters, a hot tub that’ll take you on a journey, a better ketchup bottle, a solution for one of the world’s most common tech annoyances, and some very bad news: chickens are definitely judging you. Plus, we meet the man who brought the smell of outer space to earth.

Learn more about Steve Pearce’s work with fragrances and flavors here!

This episode originally aired on March 3, 2025.

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Jetlagged Hamsters and the Smell of Space!