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2011-08-18 05:20:00

Scientists have identified a critical step in the evolution of filter-feeding whales' enormous mouths. These whales, otherwise known as baleen whales or mysticetes, have feeding adaptations that are unique among mammals, in that they can filter small marine creatures from huge volumes of water.  The whales accomplish this by using their "loose" lower jaw joints, which enable them to produce a vast filter-feeding gape. A new study of this ancient jawbone has overturned a long-held belief...


Word of the Day
baudekin
  • A rich embroidered or brocaded silk fabric woven originally with a warp of gold thread.
'Baudekin' seems to be an alternative form of 'baldachin,' from the Italian 'Baldacco,' Baghdad, the city where the material was made.
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