Each weekday, Pulse of the Planet provides its listeners with a two-minute sound portrait of Planet Earth, tracking the rhythms of nature, culture and science worldwide and blending interviews and extraordinary natural sound.Get more info.
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Narwhals - Evolution
The narwhal, with its inside-out, eight-foot long tooth, doesn't just look odd; it is a genuine evolutionary anomaly.
-- Apr 23, 2014
Narwhals - Tusking
Tooth cleaning or a nuzzle? Well, maybe both! It's the tusking behavior of the narwhal.
-- Apr 22, 2014
Narwhals - Dance of a Thousand Whales
Ever been on a crowded elevator? Uncomfortable, yes, but imagine doing it with an 8 foot tusk. Welcome to the world of the narwhal.
-- Apr 21, 2014
Narwhals - Inside Out
Teeth are ideally strong, hard, and pearly white, right? Not for the narwhal and its inside out tusk.
-- Apr 18, 2014
Narwhals - Sensitivity
How does a whale say 'ouch'? Scientists studying the narwhal's unusual tusk-like tooth try to tackle that problem.
-- Apr 17, 2014