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Published online 29 October 2008 | Nature | doi:10.1038/news.2008.1192
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How does your dinosaur smell?
Quite well, on the whole.
An extensive survey of dinosaur skulls adds to the evidence that Tyrannosaurus rex had a killer sense of smell, and finds that the earliest known birds were much better at sniffing out prey than their descendents.
Using fossil evidence to figure out how extinct animals looked and moved is difficult enough — assessing their senses is harder still, and questions about dinosaurs' sense of smell have been particularly difficult to answer.
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