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.
- 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.
- Did sea-level fall kill the dinosaurs? Hecht, Jeff // New Scientist;04/05/97, Vol. 154 Issue 2076, p19
Focuses on the hypothesis that falling sea levels and volcanic eruptions contributed to the extinction of the dinosaurs at the end of the Cretaceous period. Effect of the environmental changes on the animals; Theory on the asteroid crash in Mexico; Study on the fossil record of extinction.
- A double whammy? Jaroff, Leon; Bjerklie, David // Time International (South Pacific Edition);1/9/95, Issue 2, p36
Reports on the scientists' opposing views over the theories on what caused the extinction of dinosaurs. Aftermath of the impact caused by a huge comet or asteroid; Formation of an earth-enveloping shroud by clouds of sulfuric acid; Intense volcanic activities on the opposite side of the earth,...
- Dinosaurs' demise. // Wilson Quarterly;Winter91, Vol. 15 Issue 1, p127
Comments on the articles titled `An Extraterrestrial Impact,' by Walter Alvarez and Frank Asaro and `A Volcanic Eruption,' by Vincent E. Courtillot published in the October 1990 issue of `Scientifc American.' Arguments on the causes of dinosaur extinction; Evidence provided by the...
- No statistical support for sudden (or gradual) extinction of dinosaurs: Comment and reply. Sheehan, P. M.; Fastovsky, D.E. // Geology;Oct96, Vol. 24 Issue 10, p957
Presents a debate concerning the presence or absence geologic and statistical evidences supporting theories on the extinction of dinosaurs. Alleged failure of fossil records to represent random samples of the extinction's duration; Merits of diversity measurements in dinosaur fossil findings in...
- The Belt of an Asteroid. Gould, Stephen Jay // Natural History;Jun80, Vol. 89 Issue 6, p26
Asserts that an extraterrestrial object may have brought mass extinction on the earth 65 million years ago. Geological bases in rejecting this theory; Failure to attribute the entire Cretaceous extinction to a gradually deteriorating climate; Consequences if dinosaurs had survived.
- 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.
- Dinosaur Killer. Stover, Dawn; Graham, David // Popular Science;Apr99, Vol. 254 Issue 4, p37
Provides information on a study conducted on the cause of the death of dinosaurs 65 million years ago. Recovery of a material whose composition resembles that of an asteroid; Other theory on the death of dinosaurs.