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This week in science: Sunscreen from fish, art and aging, and a sustainable marimba

NPR's science podcast Short Wave brings us the stories of how future sunscreens might come from fish, how loving art may impact aging, and a student's quest to build a more sustainable marimba.

Copyright 2026 NPR

Regina G. Barber
Regina G. Barber is a co-host of Short Wave, NPR's science podcast.
Emily Kwong
Emily Kwong (she/her) is the founding reporter and now co-host for Short Wave, NPR's science podcast.

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