Of Lieberman and Melott's (2007) AnalysisSummary of Lieberman and Melott's (2007) Results; Summary of Melott's (2008) Results; Possible Causal Mechanisms for 62-Ma Cyclicity; Conclusions; References; Climate Change Through Time; Introduction; Early Earth Atmosphere; Primitive Oc…
This volume focuses on the broad pattern of increasing biodiversity through time, and recurrent events of minor and major ecosphere reorganization. Intense scrutiny is devoted to the pattern of physical (including isotopic), sedimentary and biotic circumstances through the time …
Edwina is well-known in her neighborhood, she plays with kids, she bakes delicious chocolate chip cookies and helps old ladies cross the street. She is well-loved by everyone except for one person: Reginald Von Hoobie-Doobie. He knows for a fact that dinosaurs are extinct and tr…
Everyone in town loves Edwina the dinosaur except one little boy who is determined to prove to everyone, including Edwina, that dinosaurs are extinct.
"The impact of extraterrestrial material on Earth can lead to effects traceable in both the geological and biological record. This study describes meteorite flux with time, covering small and large bodies capable of producing craters. The effects of impacts on the environment is…
"Thirty thousand species are wiped out every year-a rate matching the patterns of five previous massive extinctions. In each, 65 percent of all living species disappeared in a geological instant. In The Sixth Extinction, bestselling author Richard Leakey, the world's foremost pa…
"Thirty thousand species are wiped out every year-a rate matching the patterns of five previous massive extinctions. In each, 65 percent of all living species disappeared in a geological instant. In The Sixth Extinction, bestselling author Richard Leakey, the world's foremost pa…
There have been five great extinctions in the long history of life on earth, the most recent 65 million years ago, when all dinosaur species perished in an astonishingly brief period of time. Each of these great extinctions was unimaginably catastrophic - at least 65 percent of …
