Experts in Alaska investigate how dinosaurs managed to thrive in polar regions.. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the ...

NOVA: Why did crocodilians survive when the dinosaurs went extinct? Ross: The short answer is we don't know. But we can look at what crocodiles do now and how they work and speculate on some ...

When a new dinosaur species was discovered in the North ... If Nanuqsaurus hoglundi, the tyrannosaur that roamed the ancient Arctic, were alive today, it could be forgiven for having an ...