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Ancestry of Polar Bears Traced to Ireland
July 7, 2011 — Scientists have discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of the last ice age ... > full storyMore: -
Gray Whales Likely Survived the Ice Ages by Changing Their Diets
July 6, 2011 — If ancient gray whale populations migrated and fed the same as today's whales, what happened during the Ice Ages, when their major feeding grounds disappeared? Paleontologists argue that gray whales ... > full story -
How Hot Did Earth Get in the Past? Team of Scientists Uncovers New Information
July 5, 2011 — The question seems simple enough: What happens to Earth's temperature when atmospheric carbon dioxide levels increase? The answer is elusive. However, clues are hidden in the fossil record. A new ... > full story -
Fossilized Pollen Reveals Climate History of Northern Antarctica: Tundra Persisted Until 12 Million Years Ago
June 27, 2011 — A painstaking examination of the first direct and detailed climate record from the continental shelves surrounding Antarctica reveals that the last remnant of Antarctic vegetation existed 12 million ... > full story -
Oldest Eurasian Hominoids Lived in Swabia: Molar Tooth Dated at 17 Million Years Old
June 22, 2011 — Africa is regarded as the center of evolution of humans and their precursors. Yet long before modern humans left Africa some 125,000 years ago, their antecedents migrated from Africa to Eurasia many ... > full story -
Did Climate Change Cause Greenland's Ancient Viking Community to Collapse?
June 20, 2011 — Our changing climate usually appears to be a very modern problem, yet new research from Greenland published in Boreas, suggests that the AD 1350 collapse of a centuries old colony established by ... > full story -
Life After 'Snowball Earth': New Fossils Suggest Rapid Recovery of Life After Global Freeze
June 15, 2011 — Researchers have discovered hundreds of microscopic fossils in rocks dating back nearly 710 million years, around the time when the planet emerged from a global glaciation, or "Snowball Earth," ... > full story -
Carbon Release to Atmosphere 10 Times Faster Than in the Past, Geologists Find
June 5, 2011 — The rate of release of carbon into the atmosphere today is nearly 10 times as fast as during the Paleocene-Eocene Thermal Maximum (PETM), 55.9 million years ago, the best analog we have for current ... > full story -
Climate Played Big Role in Vikings' Disappearance from Greenland
May 30, 2011 — Greenland's early Viking settlers were subjected to rapidly changing climate. Temperatures plunged several degrees in a span of decades, according to researchers. A reconstruction of 5,600 years of ... > full story -
Significant Role Played by Oceans in Ancient Global Cooling
May 26, 2011 — Thirty-eight million years ago, tropical jungles thrived in what are now the cornfields of the American Midwest and furry marsupials wandered temperate forests in what is now the frozen Antarctic. A ... > full story
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