The North Atlantic right whale is on the brink of extinction. But a handful of specialists are determined to help save it as they discover new secrets about the lives of these giants of the sea.
Episode Duration: 56 minutes and 46 seconds
Episode Number: 5007
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PBS' premier science series helps viewers of all ages explore the science behind the headlines.
Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.
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