NPR's Short Wave talks about elephants' sniffing abilities, the remarkable migration of painted lady butterflies and a surprising discovery about the early universe.

This week in science: elephant trunks, butterfly migration and a hot galaxy cluster

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting  of the day's events, interviews, analysis and reviews.

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting of the day's events, interviews, analysis and reviews.

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This week in science: elephant trunks, butterfly migration and a hot galaxy cluster

This week in science: elephant trunks, butterfly migration and a hot galaxy cluster