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Edition #15 · Wednesday, May 6, 2026 · 882 positive stories
Science & Breakthroughs

Podcast Transcript April 17, 2026— Why you keep falling for the same person, and 9 other things worth discussing this week

Optimist Daily Fri, 17 Ap

Episode Description: This week: a German research team built a water contamination test that runs on a smartphone and gives you an answer in under a minute. A Cornell professor has a gardening trick that involves water, a paper towel, and one night. A Bristol startup figured out what to do with festival urine! Arielle and Karissa also talk about the psychology of why you keep falling for the same type, Earth Day turning 56, and the free home reset that’s apparently all about the “invisible

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About Science & Breakthroughs coverage

The science section covers breakthroughs in medicine, physics, biology, and technology. We surface discoveries that expand what humanity can do, from new treatments reaching clinical trials to engineering feats that seemed impossible a decade ago. Every link goes to the original publisher so you can read the full study or press release yourself.

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