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Nature 449, 20-21 (6 September 2007) | doi:10.1038/449020a; Published online 5 September 2007

Palaeontology: Time traps

Rex Dalton1

  1. Rex Dalton writes for Nature from San Diego.
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The whole world felt the effects of the dinosaur-killing mass extinction 65 million years ago. But a spot in Colorado may have the best record of it. Rex Dalton reports from Denver.

It's no wonder palaeontology is so popular in Colorado: fossils practically permeate the landscape. Hiking trails run through hills known for Triceratops.