The first bike cost me 15$. This one 20$, but in much better condition than the first one. And I got to know two new friends. They are Sun Ya from Rice and Cai Hongzhu from Utah University.
The dinosaur bones are discovered in a stacked channel belt in Morrison formation Jurassic. It is believed that the bones were rolling at the bottom of the channel due to higher density than water in a direction perpendicular to the flow.
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