NPR News: This week in science: Invasive ants, ancient chewing gum, and return of the cicadas

This week in science: Invasive ants, ancient chewing gum, and return of the cicadas
NPR's Juana Summers talks with Regina Barber and Pien Huang of Short Wave about a double emergence of cicadas this spring, invasive ants in Kenya, and the secrets in an ancient wad of chewing gum.

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