Save
Email
Print
Share
RSSBrowse News Stories
441 to 450 of 587 stories
view headlines only
-
Climate Change Pushed Neanderthal Into Extinction In Iberian Peninsula, Spanish Researcher Says
May 1, 2007 — Recent studies carried out in Gorham's cave, on Gibraltar, proved to be definitive for this work, researcher asserts. Results show that the Neanderthal extinction could have been greatly determined ... > full story -
Greenhouse Gas Effect Consistent Over 420 Million Years
March 28, 2007 — New calculations show that sensitivity of Earth's climate to changes in the greenhouse gas carbon dioxide has been consistent for the last 420 million years, according to an article in Nature by ... > full story -
New Evidence Puts 'Snowball Earth' Theory Out In The Cold
March 23, 2007 — The theory that Earth once underwent a prolonged time of extreme global freezing has been dealt a blow by new evidence that periods of warmth occurred during this so-called "Snowball Earth" ... > full story -
Microfossils Unravel Climate History Of Tropical Africa
March 23, 2007 — Scientists obtained for the first time a detailed temperature record for tropical central Africa over the past 25,000 years. They developed an entirely new method to reconstruct the history of land ... > full story -
Turkey's Lake Van Provides Precise Insights Into Eurasia's Climate History
March 14, 2007 — The mud at the bottom of Turkey's Lake Van stores information about the climate of the last 500,000 years. Millimeter-thin layers with embedded pollen reveal climate information with a year by ... > full story -
Climate Change: Could It Be Random?
March 9, 2007 — Severe climate changes during the last ice-age could have been caused by random chaotic variations on Earth and not governed by external periodic influences from the sun. This has been shown in new ... > full story -
Improved Predictions Of Warming-Induced Extinctions Sought; Species Persist More Than Models Assume, Researchers Say
March 1, 2007 — A team of researchers notes that fewer species went extinct during the past 2.5 million years than many ecological models would predict. Unexpected persistence of some species in adverse conditions ... > full story -
An Ancient Greenhouse Window Into The Future
February 22, 2007 — A University of Queensland researcher is going back 50 million years to get a glimpse of what a future greenhouse climate might be like. Dr. Patrick Moss, a lecturer in physical geography with the ... > full story -
From Icehouse To Hothouse: Melting Ice And Rising Carbon Dioxide Caused Climate Shift
February 20, 2007 — Three hundred million years ago, Earth's climate shifted dramatically from icehouse to hothouse, with major environmental consequences. That shift was the result of both rising atmospheric carbon ... > full story -
Birth Rate, Competition Are Major Players In Hominid Extinctions
February 18, 2007 — Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction. "The ... > full story
Search ScienceDaily
Number of stories in archives: 137,088
more 
