In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a series of extreme ...
Earth Sciences
Apr 4, 2012
47
0
Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy savanna, as ...
Archaeology
Oct 8, 2009
1
2
The cities of the ancient Maya in Mesoamerica never fail to impress. But beneath the soil surface, an unexpected danger lurks there: mercury pollution. In a review article in Frontiers in Environmental Science, researchers ...
Environment
Sep 23, 2022
3
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Scientists have sequenced ancient DNA from soil for the first time and the advance will transform what is known about everything from evolution to climate change.
Paleontology & Fossils
Apr 19, 2021
0
51
Researchers from the U.S. Geological Survey and key academic partners including the University of Colorado Boulder have quantified how rapidly ancient permafrost decomposes upon thawing and how much carbon dioxide is produced ...
Earth Sciences
Oct 26, 2015
24
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Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early Earth were as barren as Mars.
Archaeology
Jul 22, 2013
4
0
University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover – in effect, shade – and found that grassy, tree-dotted savannas prevailed at most East African sites where ...
Plants & Animals
Aug 3, 2011
1
1
(PhysOrg.com) -- A chemical analysis of the bones of ancient Nubians shows that they were regularly consuming tetracycline, most likely in their beer.
Analytical Chemistry
Aug 31, 2010
1
1
Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become progressively drier over the past 50,000 years.
Earth Sciences
Oct 27, 2009
0
0
Plants are among the most intrepid explorers on Earth. Roughly 460 million years ago, the first plants started leaving lakes and rivers and appeared on land. At that time, the surface of Earth was mostly bare rock.
Biotechnology
Oct 6, 2023
0
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