NPR News: This week in science: a newly-discovered species, 'talking' dogs and a beluga's death

This week in science: a newly-discovered species, 'talking' dogs and a beluga's death
NPR's Ari Shapiro talks with Regina Barber and Rachel Carlson of Short Wave about a newly discovered species in California's Mono Lake, dogs understanding words, and the death of a beloved beluga whale.

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