Were Dinosaurs Dumb?
- Death, taxes, and extinction. Archibald, J. David // National Forum;Summer98, Vol. 78 Issue 3, p32
Explores the various theories concerning the mass extinction of dinosaurs. Most famous mass extinction; Three theories of extinction; Results of marine regression; Important pieces of physical evidence supporting an asteroid impact.
- The day the dinosaurs died. Cowen, Ron // Astronomy;Apr96, Vol. 24 Issue 4, p34
Focuses on the theory that the planet Earth collided with an asteroid or comet which killed the dinosaurs. Discovery of a buried crater in the Yucatan Peninsula; Solar system impact; Ramifications of a large impact; Chronology of the catastrophe. INSET: Tracking down Chicxulub..
- Dino Days. Lessem, "Dino Don" // Highlights for Children;Feb2010, Vol. 65 Issue 2, p20
The article presents questions and answers related to dinosaurs, including the first dinosaur that went extinct and why a Triceratops had a birdlike mouth.
- What Killed the Dinosaurs? Mackenzie, Dana // Ask;Oct2005, Vol. 4 Issue 8, p24
Reveals the cause of the extinction of dinosaurs. INSETS: Clue to a Disaster;How Did They Survive?.
- Extinction. Parker, Steve // Dinosaurs (1-59084-464-5);2003, p49
All dinosaurs on Earth had died out, or become extinct, by 65 million years ago. Many other reptiles, such as pterosaurs and plesiosaurs, and many other animals and plants disappeared with the dinosaurs, in a mass extinction. A possible cause of the mass extinction was a new kind of disease...
- After dinosaurs. Parker, Steve // Dinosaurs (1-59084-464-5);2003, p61
There are no dinosaur fossils since 65 million years ago. Many animal groups, including fish, crocodiles, turtles, lizards, birds, and mammals, survived during the extinction that took place 65 million years ago. Birds and mammals in particular underwent rapid changes after the dinosaurs...
- DINOS BITE THE DUST. Hennessey, Gail // Science World;2/5/2007, Vol. 63 Issue 9, p4
The article reports on the theory of some researchers that a large asteroid that may have hit the Yucatan Peninsula in Mexico caused the extinction of dinosaurs and most other species.
- Step-wise extinctions preceded demise of dinosaurs. Dayton, Leigh // New Scientist;7/7/90, Vol. 127 Issue 1724, p27
Details the research finding of a group of Canadian scientists that the dinosaurs were not wiped out by a single catastrophic event, such as an asteroid impact or volcanic eruption. Identification of a series of step-wise extinctions; Doubts raised about the impact theory of the Canadian...
- Crispy Critters? // Odyssey;Apr2000, Vol. 9 Issue 4, p3
Focuses on a study by oceanographers, which suggests that dinosaurs might have perished in a gas-fueled firestorm of high intensity.