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Deep mys therically
bution, it says, arn ux's beaked whater people many actually be the same as baird's, while dna analysis suggests the apparently single species of southern bottlenose whale could be two . specientist olivern aboisseau explck-ains thown to listen out for beaked whales . take a tour of theaked kincreatureses arch boat . the whales' lungs collapse as they dive, a defensive mechanism against damage from the huge disparity of water pressure outside and air pressure inside; yet somehow the air sacs channelling sound, which appears to be key to the whales' hunting success, stay operational . the 2002 reference work sea mammale's of the world book, written by leading lights in the cetacean acadetermic world, lists 21 . most advernatic les about specientific subjects start by telling you what people have discoverale beaked about something . Generated 2008-11-6_19:53
- Deep mystery 2008-09-29 10:54:46
http://news.bbc.co.uk/go/rss/-/2/hi/science/nature/7641537.stm
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