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How Fins Became Legs Revealed
2012-12-10 13:52:58

Vertebrates' transition to living on land, instead of only in water, represented a major event in the history of life.


Word of the Day
bretelles
  • In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.