News tagged with chronology
New 'molecular clock' aids dating of human migration history
Jun 04, 2009 |
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Researchers at the University of Leeds have devised a more accurate method of dating ancient human migration - even when no corroborating archaeological evidence exists.
Search results for chronology
Archaeological study of ostrich eggshell beads collected from SDG site
Other Sciences / Archaeology & Fossils
11 hours ago |
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Ostrich eggshell (OES) beads from SDG site reflect primordial art and a kind of symbolic behavior of modern humans. Two different manufacturing pathways are usually used in the manufacture of OES beads in Upper Paleolithic. ...
After mastodons and mammoths, a transformed landscape
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.6 / 5 (12) |
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(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...
Life's Ancient Island in the Ice
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.6 / 5 (12) |
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During the last ice age, massive glaciers covered much of our planet. However, a region of Alaska, Siberia and the Canadian Yukon remained ice-free. This region, known as Beringia, supported unique organisms ...
Like a hungry teen, life on Earth had big growth spurts
Space & Earth / Earth Sciences
Oct 27, 2009 |
3.6 / 5 (7) |
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Twice in the Earth's history, living creatures underwent astonishing growth spurts, and each time, new organisms emerged that were a million times larger than anything that had existed before.
'Dutch' Batavians more Roman than thought
Oct 23, 2009 |
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The Batavians, who lived in the Netherlands at the start of the Christian era were far more Roman than was previously thought. After just a few decades of Roman occupation, the Batavians had become so integrated that they ...
Seafloor Fossils Provide Clues on Climate Change
Space & Earth / Earth Sciences
Oct 22, 2009 |
4 / 5 (6) |
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Deep under the sea, a fossil the size of a sand grain is nestled among a billion of its closest dead relatives. Known as foraminifera, these complex little shells of calcium carbonate can tell you the sea ...
Satellite data explains vanishing India groundwater
Space & Earth / Earth Sciences
Aug 12, 2009 |
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(PhysOrg.com) -- Using satellite data, UC Irvine and NASA hydrologists have found that groundwater beneath northern India has been receding by as much as 1 foot per year over the past decade - and they believe ...
Douglas-fir, geoducks make strange bedfellows in studying climate change
Space & Earth / Earth Sciences
Jul 30, 2009 |
5 / 5 (3) |
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Scientists are comparing annual growth rings of the Pacific Northwest's largest bivalve and its most iconic tree for clues to how living organisms may have responded to changes in climate.
When did humans return after last Ice Age?
Other Sciences / Archaeology & Fossils
Jul 27, 2009 |
4.3 / 5 (8) |
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(PhysOrg.com) -- The Cheddar Gorge in Somerset was one of the first sites to be inhabited by humans when they returned to Britain near the end of the last Ice Age. According to new radio carbon dating by Oxford ...
When palm trees gave way to spruce trees
Space & Earth / Earth Sciences
Jun 17, 2009 |
4 / 5 (6) |
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For climatologists, part of the challenge in predicting the future is figuring out exactly what happened during previous periods of global climate change.
List of search results for chronology
