Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. With their long, spiral tusks, narwhals (Monodon monoceros) look ...
What are the narwhals up to? Generally, we don't really know! They are mysterious creatures. NPR science correspondent Nell Greenfieldboyce talks... Narwhal sightings are rare. Scientists just saw ...
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