The concentration of carbon dioxide (CO2) in the atmosphere determines whether the Earth is in greenhouse or ice age state. Before humans began to have an impact on the amount of CO2 in the air, it depended solely on the ...
Earth Sciences
Nov 13, 2017
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210
About 1 to 2 million years ago, early humans in East Africa periodically faced very dry conditions, with little or no water in sight. But they likely had access to hundreds of springs that lingered despite long dry spells, ...
Archaeology
May 30, 2017
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44
Researchers in the College of Arts and Sciences have published new details about the evolution of the East African Rift (EAR) Valley, one of the world's largest continental rift zones.
Earth Sciences
Dec 21, 2016
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A geologic event known as diking can cause strong earthquakes—with a magnitude between 6 and 7, according to an international research team.
Earth Sciences
Feb 8, 2016
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880
Scientists at the University of New Mexico conducted research to effectively study carbon emissions through fault systems in the East African Rift (EAR) in an effort to understand carbon emissions from the Earth's interior ...
Earth Sciences
Jan 19, 2016
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16
(Phys.org) —Geologists from Northwestern University, the University of Illinois at Chicago, the University of Oklahoma and Purdue University have a new explanation for the Midwest's biggest geologic mystery: What caused ...
Earth Sciences
Mar 11, 2014
7
0
Language is formed by giving meaning to sounds and stringing together these meaningful expressions to communicate feelings and ideas. Until recently most linguists believed that the relationship between the structure of language ...
Social Sciences
Jun 12, 2013
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0
(Phys.org) —Palaeontologists working in Tanzania have discovered the oldest known fossils from two major primate groups—Old World monkeys, which include baboons and macaques, and apes, which include humans and chimpanzees. ...
Paleontology & Fossils
Jun 4, 2013
0
0
(Phys.org) —New research from Oxford University casts doubt on the theory that the Mount Toba super-eruption, which took place at the Indonesian island of Sumatra 75,000 years ago, could have plunged the Earth into a volcanic ...
Earth Sciences
May 1, 2013
1
1
A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake system bordering Rwanda and the Republic of Congo.
Earth Sciences
Nov 16, 2009
5
0
