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Careers in Science 

December 31, 2011

Dinos Alive!

hip-structureIt’s a bird, it’s a plane, it’s Shakira singing “Hips Don’t Lie”! Every intern training is unique, and this one was no different. As I walked into the Careers in Science classroom that Monday afternoon, Shakira’s 2006 hit song rocked my ears. It turned out that dinosaurs’ hips didn’t lie either. That’s right, those roaring colossal beasts that flourished in the Mesozoic Era, also known as the Age of Reptiles, evolved separately and owed a large part of their biological sucess to their hip structures. Fascinating lectures by CiS Manager Eric Godoy, Senior Science Content Specialist Roberta Brett, and San Francisco State University graduate student Nic West all highlighted the erect posture of dinosaurs, a distinction from other reptiles with sprawling postures. Upon closer examination, the interns realized that there was a correlation between posture and evolution. More biologically successful animals, such as the dinosaurs in the Mesozoic Era, all had erect postures. Unlike their sprawling counterparts, these animals could maintain a sufficient amount of air for a longer period of time (for example, present-day lizards, who are sprawlers, can only sprint for a very short amount of time due to a lower lung capacity). Because of this physiological advantage, the dinosaurs had increased stamina. Much like dinosaurs, birds and mammals, including humans, also evolved to have erect postures, which must explain why all of the interns are so tireless in their interest in science!

By Timmy

Filed under: Teaching Science,Uncategorized — CiS Interns @ 12:22 pm

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