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100 Greatest Discoveries: Dinosaur Discovery

Related Article: Learn more about dinosaurs.

The discovery of dinosaur fossils changed science forever. Learn what fossils tell scientists about the extinction of the dinosaurs on the Science Channel's "100 Greatest Discoveries."

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Building Dinosaur Models from Fossils

Building Dinosaur Models from Fossils (2:47)

Watch this video about paleontology on HowStuffWorks. University of Chicago fossil preparator, Tyler Keillor, discusses the iterative process of creating the model for Tiktaalik, the fossil discovery by paleontologist Neil Shubin that fills in the... More »

The Extinction of the Dinosaurs

The Extinction of the Dinosaurs (0:56)

The few mass extinctions in Earth's history include that of the dinosaurs and maybe 65 percent of the other species in the world 65 million years ago.

When Dinosaurs Roamed America: Fossils in the U.S.

When Dinosaurs Roamed America: Fossils in the U.S. (52:00)

In this program, learn more about the anatomy and physiology of these prehistoric creatures as you study dinosaur fossils in different regions of the United States.

When Dinosaurs Ruled: Australia

When Dinosaurs Ruled: Australia (51:44)

In this video, paleontologist Tom Rich uncovers dinosaur bones in curious places that may tell us more about the dinosaurs. Following fossil evidence, Rich reveals how these dinosaurs survived on a frigid landmass that linked Antarctica and... More »

When Dinosaurs Ruled: Africa

When Dinosaurs Ruled: Africa (51:45)

Paleontologists believe that Africa is the birthplace of dinosaurs, but some fossil evidence has fueled an evolutionary debate. Check out this video to discover what the bone of contention is.

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100 Greatest Discoveries: Dinosaur Discovery

100 Greatest Discoveries: Dinosaur Discovery (2:06)

The discovery of dinosaur fossils changed science forever. Learn what fossils tell scientists about the extinction of the dinosaurs on the Science Channel's "100 Greatest Discoveries."

Mammals vs Dinos: Feathered Descendants of T Rex

Mammals vs Dinos: Feathered Descendants of T Rex (1:34)

Studies reveal that the Tyrannosaurus Rex was a descendant of a feathered dinosaur called Dilong. Learn more on the Science Channel's "Mammals vs. Dinos."

Mammals vs. Dinos: Tyrannosaurus Rex

Mammals vs. Dinos: Tyrannosaurus Rex (1:09)

On the Science Channel's "Mammals vs. Dinos," evidence suggests that the Tyrannosaurus Rex lived as a family unit, caring for their young and living cooperatively.

Mammals vs Dinos: Tyrannosaurus Rex's Bite

Mammals vs Dinos: Tyrannosaurus Rex's Bite (3:00)

On the Science Channel's "Mammals vs. Dinos," an alligator's bite force is measured and compared to a Tyrannosaurus Rex's bite marks.

Mammals vs Dinos: Triassic Evolution

Mammals vs Dinos: Triassic Evolution (2:25)

Before the arrival of mammals and dinosaurs, reptiles and amphibians dominated the landscape. But due to climate changes during the Triassic period, mammals and dinosaurs began to flourish. Learn more on the Science Channel's "Mammals vs Dinos."

Mammals vs Dinos: The First Birds

Mammals vs Dinos: The First Birds (1:16)

During the early Cretaceous period, dinosaurs made a huge evolutionary leap as they developed feathers and the ability to fly. Learn more about the first birds on the Science Channel's "Mammals vs Dinos."

Mammals vs Dinos: T Rex Hunting Packs

Mammals vs Dinos: T Rex Hunting Packs (2:23)

On the Science Channel's "Mammals vs. Dinos," watch as a Tyrannosaurus Rex pack hunt cooperatively. The adolescent T Rex chase their prey leading them to an ambush, where the adult T Rex can make the kill. Food is supplied to the entire group.

Mammals vs Dinos: Supersaurus Lifespan

Mammals vs Dinos: Supersaurus Lifespan (1:26)

On the Science Channel's "Mammals vs. Dinos," meet Supersaurus, one of the largest dinosaurs of the Jurassic period. Supersaurus was an herbivore which scientists believe could have had a lifespan of as great as 100 years.

Mammals vs Dinos: Supersaurus Bones

Mammals vs Dinos: Supersaurus Bones (2:39)

On the Science Channel's, "Mammals vs. Dinos," Supersaurus bones are dissected for clues about its gigantic size. Supersaurus bones contain hollow spaces that made up part of its respiratory system, which enabled oxygen flow and increased surface... More »

Mammals vs Dinos: Sinosauropteryx

Mammals vs Dinos: Sinosauropteryx (2:02)

On the Science Channel's "Mammals vs. Dinos," meet Sinosauropteryx, a feathered dinosaur. This discovery changed the way scientists viewed dinosaur evolution. Sinosauropteryx was a ferocious hunter that dominated prehistoric Liaoning.