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How the whale got its teeth

Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too ...

Feb 19, 2013 4.7 / 5 (7) 0 | with audio podcast

Wiring the ocean

For most people, the sea is a deep, dark mystery. That is changing, though, as scientists find innovative ways to track the movements of ocean-going creatures.

Feb 18, 2013 not rated yet 0