CBC News - Treasure trove of fossils sheds light on dinosaurs' last days
The death blow preserved at one particular site.

It was the day that nearly all life on Earth went extinct, including the dinosaurs.
The researchers say they found evidence in North Dakota of the asteroid hit in Mexico, including fish with hot glass in their gills from flaming debris that showered back down on Earth. They also reported the discovery of charred trees, evidence of an inland tsunami and melted amber."
Current controversy stems from the fact that access to the site is highly restricted and that, aside from the current researchers, the knowledge discovered has not and cannot be verified by other scientists or other experts.
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