PhysOrg Posted May 27, 2012 Share Posted May 27, 2012 At first glance, it's hard to see how a common house sparrow and a Tyrannosaurus Rex might have anything in common. After all, one is a bird that weighs less than an ounce, and the other is a dinosaur that was the size of a school bus and tipped the scales at more than eight tons. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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