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Geotimes
January 2005
Joshua Zaffos |
Honeybee Survival Stings Impact Theory The buzz over the causes of the mass extinction 65 million years ago is getting louder. Now, a paleontology graduate student has found evidence in the survival of tiny honeybees that could be another sting to that theory.   |
Geotimes
October 2006 |
Geocatastrophes Catastrophe and Opportunity in an Ancient Hot-House Climate... When the Mediterranean Dried Up: Forensics of a Geocatastrophe... The Great Death: Redefining a Mass Extinction... |
Geotimes
April 2005
David B. Williams |
Mass Extinction, Massive Problem The great debate continues over the Great Dying -- the largest of all mass extinctions, which occurred 250 million years ago. The latest round of research casts doubt on an extraterrestrial impact as the cause of the extinction event. |
Geotimes
August 2004
Sara Pratt |
Burrowing K/T Survivors When it comes to the mass extinction that marked the Cretaceous/Tertiary (K/T) boundary 65 million years ago, what it all came down to, researchers say, is that only those who hid had a chance to survive. |
Geotimes
January 2004
Megan Sever |
Charcoal clues in dinosaur debate While new research is intriguing, say some geochemists, it is premature to throw out the whole global fire hypothesis that has been developed to explain evidence at the Cretaceous-Tertiary boundary. |
Geotimes
October 2006
Kathryn Hansen |
Debate Continues Over Dinosaur Demise Analysis of new core samples support previous research from that the Chicxulub meteor struck about 300,000 years prior to the K/T extinction event and, therefore, did not cause extinction of the dinosaurs. |
Geotimes
January 2004
Megan Sever |
Unraveling the Chicxulub Case On the Yucatan Peninsula in Mexico, geologists are drilling one of Earth's three largest impact structures, hoping to reveal clues about a devastating event linked to the extinction of the dinosaurs 65 million years ago. |
Chemistry World
March 11, 2014
Tim Wogan |
Dinosaur mass extinction may have been triggered by acid rain Most scientists accept the principal cause of the Cretaceous -- Tertiary mass extinction was a 10km asteroid hitting the Yucatan peninsula, but the precise mechanism by which this caused the extinction remains controversial. |
Chemistry World
December 2, 2013
Ian Randall |
Mass extinction the result of acid rain and ozone loss Widespread rain as acidic as lemon juice and the destruction of as much as 65% of the ozone layer may have played a major role in the largest mass extinction in the fossil record. |
Geotimes
December 2005 |
Highlights 2005 -- Paleontology The "Great Dying" debate... Tracking human migration... More "hobbits" in Indonesia... T. rex bones break ground... An evolving debate... |
Geotimes
October 2003
Naomi Lubick |
Vertebrates and tectonics Paleontologists suggested some new twists on tectonics and ecosystems at the annual meeting of the Society of Vertebrate Paleontology. Their ideas might offer answers to some key conundrums regarding extinction, speciation and the global distribution of vertebrate species. |
Geotimes
March 2004
Megan Sever |
Extinction debate continues Did the Chicxulub impact off the Yucatan coast in Mexico kill the dinosaurs 65 million years ago? |
