Main Category: Cardiovascular / Cardiology Also Included In: Biology / Biochemistry ; Stem Cell Research Article Date: 24 Jul 2013 - 0:00 PDT The evolution of adaptations for life on land have long puzzled biologists - are feathers descendents of dinosaur scales, how did arms and legs evolve from fins, and from what ancient fish organ did the lung ... (more)
http://www.medicalnewstoday.com/releases/263743.php
http://www.medicalnewstoday.com/releases/263743.php
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