News tagged with sedimentary record
New study finds link between marine algae and whale diversity over time
A new paper by researchers at George Mason University and the University of Otago in New Zealand shows a strong link between the diversity of organisms at the bottom of the food chain and the diversity of mammals at the top.
Feb 19, 2010 |
4.5 / 5 (2) |
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The adherence mechanism of red algae to the rocks is discovered
Geologists of the University of Granada, Spain, have described for the first time ever the biological mechanism that explains how calcareous red algae grow on rocky substrates.
Aug 03, 2009 |
4 / 5 (2) |
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Arctic climate under greenhouse conditions in the Late Cretaceous
New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous - a period of greenhouse conditions - gives a glimpse of how the Arctic is likely to respond ...
Space & Earth / Earth Sciences
Jul 09, 2009 |
3.6 / 5 (11) |
1
New Blow for Dinosaur-Killing Asteroid Theory
(PhysOrg.com) -- The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a paper ...
Space & Earth / Earth Sciences
Apr 27, 2009 |
4.5 / 5 (32) |
14
Geologic Findings Undermine Theories of Permian Mass Extinction Timing
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...
Space & Earth / Earth Sciences
Mar 02, 2009 |
4.1 / 5 (20) |
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