What are the narwhals up to? Generally, we don't really know! They are mysterious creatures. NPR science correspondent Nell Greenfieldboyce talks about new, rare drone footage scientists captured of arctic narwhals. The video sparked new ideas for how they use their tusks.
Read Nell's full piece.
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This episode was produced by Berly McCoy and edited by Rebecca Ramirez. Tyler Jones checked the facts. Robert Rodriguez was the audio engineer.
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