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Did the Changing Climate Shrink Europe's Ancient Hippos?
October 25, 2012 — Giant German hippopotamuses wallowing on the banks of the Elbe are not a common sight. Yet 1.8 million years ago hippos were a prominent part of European wildlife, when mega-fauna such as woolly ... > full story -
Bowhead Whales: Ancient DNA Sheds Light on Arctic Whale Mysteries
October 19, 2012 — Scientists have published the first range-wide genetic analysis of the bowhead whale using hundreds of samples from both modern populations and archaeological sites used by indigenous Arctic hunters ... > full story -
Tropical Collapse in Early Triassic Caused by Lethal Heat: Extreme Temperatures Blamed for 'Dead Zone'
October 18, 2012 — Scientists have discovered why the 'broken world' following the worst extinction of all time lasted so long -- it was simply too hot to survive. The end-Permian mass extinction, which occurred around ... > full story -
'Time-Capsule' Japanese Lake Sediment Advances Radiocarbon Dating for Older Objects
October 18, 2012 — A series of radiocarbon measurements from Japan's Lake Suigetsu will give scientists a more accurate benchmark for dating materials, especially for older objects. Researchers extracted cores ... > full storyMore: -
Ice Age Polarity Reversal Was Global Event: Extremely Brief Reversal of Geomagnetic Field, Climate Variability, and Super Volcano
October 16, 2012 — Some 41,000 years ago, a complete and rapid reversal of the geomagnetic field occured. Magnetic studies on sediment cores from the Black Sea show that during this period, during the last ice age, a ... > full story -
Climate Change: Circulation of Atlantic Ocean Was Faster During Last Ice Age Than Today
October 15, 2012 — Heat transport in the Atlantic Ocean during the last Ice Age was not weaker, as long assumed, but in fact stronger than it is today. Scientists used ultra-precise measurements of natural ... > full story -
Methane Emissions Can Be Traced Back to Roman Times
October 3, 2012 — Emissions of the greenhouse gas methane into the atmosphere can be traced back thousands of years in the Greenland ice sheet. Using special analytical methods, researchers have determined how much ... > full story -
Clam Shells Yield Clues to Atlantic’s Climate History
October 1, 2012 — Researchers are studying the growth increments in clam shells to learn about past ocean conditions. A better understanding of the ocean's past can help researchers understand today's climate trends ... > full story -
Extreme Climate Change Linked to Early Animal Evolution
September 26, 2012 — An international team of scientists has uncovered new evidence linking extreme climate change, oxygen rise, and early animal ... > full story -
Prehistoric Rocks Contain Clues for Future Climate
September 21, 2012 — For most of the past decade, Dr. Wan Yang has spent his summers in the Bogda Mountains in northwest China, collecting rock samples that predate dinosaurs by millions of years in an effort to better ... > full story
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