In 1999 hundreds of gray whales washed up along the west coast of North America. More in 2000. They lost an estimated 25% of their population. But then the whale population recovered and people moved on. Until it happened again in 2019. And 2020, and 2021. It’s still happening today. Host
Regina G. Barber dives into this mystery with marine ecologist
Joshua Stewart, who explains how scientists like himself solved it – and the tough questions that came up along the way.
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