News tagged with ordovician period
First plants caused ice ages: research
New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.
Space & Earth / Earth Sciences
Feb 01, 2012 |
4.7 / 5 (12) |
12
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Welsh mudstones reveal ancient sponge ecosystem
A remarkably complete record of a prehistoric seabed ecosystem of a kind never discovered before has been revealed with X-ray scanning.
Other Sciences / Archaeology & Fossils
Nov 15, 2011 |
4.8 / 5 (5) |
0
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Taking the temperature of the ancient earth
(PhysOrg.com) -- A new technique has allowed scientists to pin down the timing of ancient glaciations, linking them more firmly to two bursts of extinction.
Space & Earth / Earth Sciences
Mar 08, 2011 |
4.5 / 5 (10) |
0
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Volcanoes played pivotal role in ancient ice age, mass extinction
(PhysOrg.com) -- Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago.
Space & Earth / Earth Sciences
Oct 26, 2009 |
4.5 / 5 (17) |
3
Giant marine worms lived 475 million years ago: scientists
Spanish researchers said Monday they have discovered evidence of a type of giant worm that lived 475 million years ago and was up to one metre (three feet) in length.
Other Sciences / Archaeology & Fossils
Aug 03, 2009 |
4.3 / 5 (8) |
1
