Dinosaurs

Dainty relatives of T. rex force a rethinking of the origins of this dinosaur

Proceratosaurus was quite small compared with T. rex but it extends the tyrannosauroid group back to the middle Jurassic, further than any other known fossil

The daughter of a cabinetmaker and amateur fossil collector, Anning made her mark in the budding field of paleontology in early 19th-century England through the discovery of the first complete plesiosaur fossil

Microscopic analysis of Archaeopteryx fossils shows that the animal grew to maturity like a dinosaur rather than a modern bird

T. rex and other fossils to be auctioned off publicly next week

In a study in the journal Science, researchers announce the discovery of a dinosaur 125 million years older and one ninetieth the size of T. Rex, but having virtually the same body plan as the giant dino. Cynthia Graber reports

Millions of years before the first tremendous Tyrannosaurus rex began terrorizing fellow animals, Raptorex kriegsteini showed all of the characteristic tyrannosaur features—in miniature.

In this series of episodes, we talk to many of the scientists at Blue Sky Studios, which created the Ice Age series of animated features, including the recently released Ice Age: Dawn of the Dinosaurs. In episode 3, we hear from co-director Mike Thurmeier, art director Mike Knapp and head of lighting Andew Beddini. Special thanks to Hugo Ayala. Web sites related to this episode include www.blueskystudios.com and www.iceagemovie.com

In this series of episodes, we talk to many of the scientists at Blue Sky Studios, which created the Ice Age series of animated features, including the recently released Ice Age: Dawn of the Dinosaurs. In episode 2, we hear from the research and development team about their backgrounds, the kinds of technical challenges they face and the ways they use math and computers to solve those problems. Web sites related to this episode include www.blueskystudios.com; www.iceagemovie.com; www.scientificamerican.com/article.cfm?id=magic-and-the-brain