Σάββατο 29 Ιουνίου 2013

ScienceDaily: Top Science News

ScienceDaily: Top Science News


How 'parrot dinosaur' switched from four feet to two as it grew

Posted: 28 Jun 2013 06:21 AM PDT

Tracking the growth of dinosaurs and how they changed as they grew is difficult. Using a combination of biomechanical analysis and bone histology, palaeontologists from Beijing, Bristol, and Bonn have shown how one of the best-known dinosaurs switched from four feet to two as it grew.

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